diff --git a/predictor/common/inner_common.h b/predictor/common/inner_common.h
index 43ef30f0fd3fe335e23362abfbc6cb97a42124bd..b1f4ec8ba6a8d79db5fbdf2e491804f6d39b052a 100644
--- a/predictor/common/inner_common.h
+++ b/predictor/common/inner_common.h
@@ -9,6 +9,8 @@
 #include <strings.h>
 #include <getopt.h>
 
+#include <typeinfo>
+
 #include <google/protobuf/text_format.h>
 #include <boost/unordered_map.hpp>
 #include <boost/function.hpp>
diff --git a/predictor/framework/dag.cpp b/predictor/framework/dag.cpp
index c0ec7f97fa1a465b4365da815b5f7b2d31be5d49..cbfd0ea60ae856ce42a332aa698a626c30c5f4ab 100644
--- a/predictor/framework/dag.cpp
+++ b/predictor/framework/dag.cpp
@@ -85,6 +85,7 @@ EdgeMode Dag::parse_mode(std::string& mode) {
 // [.@Depend]
 // name: dnn_inference
 // mode: RO
+#if 0
 int Dag::init(const char* path, const char* file, const std::string& name) {
     comcfg::Configure conf;
     if (conf.load(path, file) != 0) {
@@ -96,26 +97,27 @@ int Dag::init(const char* path, const char* file, const std::string& name) {
 
     return init(conf, name);
 }
+#endif
 
-int Dag::init(const comcfg::Configure& conf, const std::string& name) {
+int Dag::init(const configure::Workflow& conf, const std::string& name) {
     _dag_name = name;
     _index_nodes.clear();
     _name_nodes.clear();
-    for (uint32_t i = 0; i < conf["Node"].size(); i++) {
+    for (uint32_t i = 0; i < conf.nodes_size(); i++) {
         DagNode* node = new (std::nothrow) DagNode();
         if (node == NULL) {
             LOG(ERROR) << "Failed create new dag node";
             return ERR_MEM_ALLOC_FAILURE;
         }
         node->id = i + 1; // 0 is reserved for begginer-op
-        node->name = conf["Node"][i]["name"].to_cstr();
-        node->type = conf["Node"][i]["type"].to_cstr();
-        uint32_t depend_size = conf["Node"][i]["Depend"].size();
+        node->name = conf.nodes(i).name();
+        node->type = conf.nodes(i).type();
+        uint32_t depend_size = conf.nodes(i).dependencies_size();
         for (uint32_t j = 0; j < depend_size; j++) {
-            const comcfg::ConfigUnit& depend = 
-                conf["Node"][i]["Depend"][j];
-            std::string name = depend["name"].to_cstr();
-            std::string mode = depend["mode"].to_cstr();
+            const configure::DAGNodeDependency& depend = 
+                conf.nodes(i).dependencies(j);
+            std::string name = depend.name();
+            std::string mode = depend.mode();
             node->depends.insert(
                     std::make_pair(name, parse_mode(mode)));
         }
@@ -125,7 +127,7 @@ int Dag::init(const comcfg::Configure& conf, const std::string& name) {
             return ERR_INTERNAL_FAILURE;
         }
         // node->conf could be NULL
-        node->conf = op->create_config(conf["Node"][i]);
+        node->conf = op->create_config(conf.nodes(i));
         OpRepository::instance().return_op(node->type, op);
         _name_nodes.insert(std::make_pair(node->name, node));
         _index_nodes.push_back(node);
diff --git a/predictor/framework/dag.h b/predictor/framework/dag.h
index 7897964b2b4fdf3f9052637a856c1fe19a7ea602..1373ee2ed408ab5006fcc66889b49d6b808b7981 100644
--- a/predictor/framework/dag.h
+++ b/predictor/framework/dag.h
@@ -39,7 +39,7 @@ public:
     
     int init(const char* path, const char* file, const std::string& name);
 
-    int init(const comcfg::Configure& conf, const std::string& name);
+    int init(const configure::Workflow& conf, const std::string& name);
     
     int deinit();
 
diff --git a/predictor/framework/infer.h b/predictor/framework/infer.h
index 5d41c144814b2a950ccff4bf6b7258fe7d398bd4..634864b9d833cf337ccefe181098a044abfac590 100644
--- a/predictor/framework/infer.h
+++ b/predictor/framework/infer.h
@@ -181,119 +181,10 @@ public:
 
 private:
     int parse_version_info(const configure::EngineDesc& config, bool version) {
-        try {
-            std::string version_file = config.version_file();
-            std::string version_type = config.version_type();
-            
-            if (version_type == "abacus_version") {
-                if (parse_abacus_version(version_file) != 0) {
-                    LOG(FATAL) 
-                        << "Failed parse abacus version: " << version_file;
-                    return -1;
-                }
-            } else if (version_type == "corece_uint64") {
-                if (parse_corece_uint64(version_file) != 0) {
-                    LOG(FATAL) 
-                        << "Failed parse corece_uint64: " << version_file;
-                    return -1;
-                }
-            } else {
-                LOG(FATAL) << "Not supported version_type: " << version_type;
-                return -1;
-            }
-        } catch (comcfg::ConfigException e) { // no version file
-            if (version) {
-                LOG(FATAL) << "Cannot parse version engine, err:" 
-                    << e.what();
-                return -1;
-            }
-
-            LOG(WARNING) << "Consistency with non-versioned configure";
-            _version = uint64_t(-1);
-        }
+        _version = uint64_t(-1);
         return 0;
     }
 
-    int parse_abacus_version(const std::string& version_file) {
-        FILE* fp = fopen(version_file.c_str(), "r");
-        if (!fp) {
-            LOG(FATAL) << "Failed open version file:" << version_file; 
-            return -1;
-        }
-
-        bool has_parsed = false;
-        char buffer[1024] = {0};
-        while (fgets(buffer, sizeof(buffer), fp)) {
-            char* begin = NULL;
-            if (strncmp(buffer, "version:", 8) == 0 ||
-                    strncmp(buffer, "Version:", 8) == 0) {
-                begin = buffer + 8;
-            } else if (strncmp(buffer, "version :", 9) == 0 || 
-                    strncmp(buffer, "Version :", 9) == 0) {
-                begin = buffer + 9;
-            } else {
-                LOG(WARNING) << "Not version line: " << buffer; 
-                continue;
-            }
-
-            std::string vstr = begin;
-            boost::algorithm::trim_if(
-                    vstr, boost::algorithm::is_any_of("\n\r "));
-            char* endptr = NULL;
-            _version = strtoull(vstr.c_str(), &endptr, 10);
-            if (endptr == vstr.c_str()) {
-                LOG(FATAL) 
-                    << "Invalid version: [" << buffer << "], end: [" 
-                    << endptr << "]" << ", vstr: [" << vstr << "]";
-                fclose(fp);
-                return -1;
-            }
-            has_parsed = true;
-        }
-
-        if (!has_parsed) {
-            LOG(FATAL) << "Failed parse abacus version: " << version_file; 
-            fclose(fp);
-            return -1;
-        }
-
-        LOG(WARNING) << "Succ parse abacus version: " << _version 
-            << " from: " << version_file;
-        fclose(fp);
-        return 0;
-    }
-
-    int parse_corece_uint64(const std::string& version_file) {
-        FILE* fp = fopen(version_file.c_str(), "r");
-        if (!fp) {
-            LOG(FATAL) << "Failed open version file:" << version_file; 
-            return -1;
-        }
-
-        bool has_parsed = false;
-        char buffer[1024] = {0};
-        if (fgets(buffer, sizeof(buffer), fp)) {
-            char* endptr = NULL;
-            _version = strtoull(buffer, &endptr, 10);
-            if (endptr == buffer) {
-                LOG(FATAL) << "Invalid version: " << buffer;
-                fclose(fp);
-                return -1;
-            }
-            has_parsed = true;
-        }
-
-        if (!has_parsed) {
-            LOG(FATAL) << "Failed parse abacus version: " << version_file; 
-            fclose(fp);
-            return -1;
-        }
-
-        LOG(WARNING) << "Succ parse corece version: " << _version 
-            << " from: " << version_file;
-        fclose(fp);
-        return 0; 
-    }
 
     bool check_need_reload() {
         if (_reload_mode_tag == "timestamp_ne") {
@@ -756,23 +647,13 @@ public:
     }
     ~VersionedInferEngine() {}
 
-    int proc_initialize(const configure::VersionedEngine& conf) {
-        size_t version_num = conf.versions_size();
-        for (size_t vi = 0; vi < version_num; ++vi) {
-            if (proc_initialize(conf.versions(vi), true) != 0) {
-                LOG(FATAL) << "Failed proc initialize version: " 
-                    << vi << ", model: " << conf.name().c_str();
-                return -1;
-            }
+    int proc_initialize(const configure::EngineDesc& conf) {
+        if (proc_initialize(conf, false) != 0) {
+            LOG(FATAL) << "Failed proc intialize engine: " 
+                        << conf.name().c_str();
+            return -1;
         }
 
-        if (version_num == 0) {
-            if (proc_initialize(conf.default_version(), false) != 0) {
-                LOG(FATAL) << "Failed proc intialize engine: " 
-                    << conf.name().c_str();
-                return -1;
-            }
-        }
         LOG(WARNING) 
             << "Succ proc initialize engine: " << conf.name().c_str();
         return 0;
diff --git a/predictor/framework/manager.h b/predictor/framework/manager.h
index d7fa50f6a202653bb16931e317c45a1f9d163ca6..d1701c25d30fbce67734770b3c7d0e079264cb7d 100644
--- a/predictor/framework/manager.h
+++ b/predictor/framework/manager.h
@@ -11,6 +11,7 @@ namespace paddle_serving {
 namespace predictor {
 
 using configure::WorkflowConf;
+using configure::InferServiceConf;
 
 class Workflow;
 //class InferService;
@@ -30,32 +31,31 @@ inline InferService* create_item_impl<InferService>() {
     } 
 }
 
-template<typename T>
-class Manager {
+class WorkflowManager {
 public:
-    static Manager<T>& instance() {
-        static Manager<T> mgr; 
+    static WorkflowManager& instance() {
+        static WorkflowManager mgr; 
         return mgr;
     }
 
     int initialize(const std::string path, const std::string file) {
         WorkflowConf workflow_conf;
         if (configure::read_proto_conf(path, file, &workflow_conf) != 0) {
-            LOG(FATAL) << "Failed load manager<" << typeid<T>.name() << "> configure!";
+            LOG(FATAL) << "Failed load manager<" << Workflow::tag() << "> configure from " << path << "/" << file;
             return -1;
         }
 
         try {
 
-        uint32_t item_size = conf[T::tag()].size();
+        uint32_t item_size = workflow_conf.workflows_size();
         for (uint32_t ii = 0; ii < item_size; ii++) {
-            std::string name = conf[T::tag()][ii]["name"].to_cstr();
-            T* item = new (std::nothrow) T();
+            std::string name = workflow_conf.workflows(ii).name();
+            Workflow* item = new (std::nothrow) Workflow();
             if (item == NULL) {
-                LOG(FATAL) << "Failed create " << T::tag() << " for: " << name;
+                LOG(FATAL) << "Failed create " << Workflow::tag() << " for: " << name;
                 return -1;
             }
-            if (item->init(conf[T::tag()][ii]) != 0) {
+            if (item->init(workflow_conf.workflows(ii)) != 0) {
                 LOG(FATAL) 
                     << "Failed init item: " << name << " at:"
                     << ii << "!";
@@ -63,7 +63,7 @@ public:
             }
 
             std::pair<
-                typename boost::unordered_map<std::string, T*>::iterator, bool>
+                typename boost::unordered_map<std::string, Workflow*>::iterator, bool>
                 r = _item_map.insert(std::make_pair(name, item));
             if (!r.second) {
                 LOG(FATAL) 
@@ -91,12 +91,12 @@ public:
         return 0;
     }
 
-    T* create_item() {
-        return create_item_impl<T>();
+    Workflow* create_item() {
+        return create_item_impl<Workflow>();
     }
 
-    T* item(const std::string& name) {
-        typename boost::unordered_map<std::string, T*>::iterator it;
+    Workflow* item(const std::string& name) {
+        typename boost::unordered_map<std::string, Workflow*>::iterator it;
         it = _item_map.find(name);
         if (it == _item_map.end()) {
             LOG(WARNING) << "Not found item: " << name << "!";
@@ -106,8 +106,8 @@ public:
         return it->second;
     }
 
-    T& operator[](const std::string& name) {
-        T* i = item(name);
+    Workflow& operator[](const std::string& name) {
+        Workflow* i = item(name);
         if (i == NULL) {
             std::string err = "Not found item in manager for:";
             err += name;
@@ -118,7 +118,7 @@ public:
 
     int reload() {
         int ret = 0;
-        typename boost::unordered_map<std::string, T*>::iterator it
+        typename boost::unordered_map<std::string, Workflow*>::iterator it
             = _item_map.begin();
         for (; it != _item_map.end(); ++it) {
             if (it->second->reload() != 0) {
@@ -129,7 +129,7 @@ public:
 
         LOG(INFO) << "Finish reload " 
             << _item_map.size() 
-            << " " << T::tag() << "(s)";
+            << " " << Workflow::tag() << "(s)";
         return ret;
     }
 
@@ -138,14 +138,124 @@ public:
     }
 
 private:
-    Manager<T>() {}
+    WorkflowManager() {}
 
 private:
-    boost::unordered_map<std::string, T*> _item_map;
+    boost::unordered_map<std::string, Workflow*> _item_map;
 };
 
-typedef Manager<InferService> InferServiceManager;
-typedef Manager<Workflow> WorkflowManager;
+class InferServiceManager {
+public:
+    static InferServiceManager& instance() {
+        static InferServiceManager mgr; 
+        return mgr;
+    }
+
+    int initialize(const std::string path, const std::string file) {
+        InferServiceConf infer_service_conf;
+        if (configure::read_proto_conf(path, file, &infer_service_conf) != 0) {
+            LOG(FATAL) << "Failed load manager<" << InferService::tag() << "> configure!";
+            return -1;
+        }
+
+        try {
+
+        uint32_t item_size = infer_service_conf.services_size();
+        for (uint32_t ii = 0; ii < item_size; ii++) {
+            std::string name = infer_service_conf.services(ii).name();
+            InferService* item = new (std::nothrow) InferService();
+            if (item == NULL) {
+                LOG(FATAL) << "Failed create " << InferService::tag() << " for: " << name;
+                return -1;
+            }
+            if (item->init(infer_service_conf.services(ii)) != 0) {
+                LOG(FATAL) 
+                    << "Failed init item: " << name << " at:"
+                    << ii << "!";
+                return -1;
+            }
+
+            std::pair<
+                typename boost::unordered_map<std::string, InferService*>::iterator, bool>
+                r = _item_map.insert(std::make_pair(name, item));
+            if (!r.second) {
+                LOG(FATAL) 
+                    << "Failed insert item:" << name << " at:"
+                    << ii << "!";
+                return -1;
+            }
+
+            LOG(INFO) 
+                << "Succ init item:" << name << " from conf:"
+                << path << "/" << file << ", at:" << ii << "!";
+        } 
+        
+        } catch (comcfg::ConfigException e) {
+            LOG(FATAL) 
+                << "Config[" << path << "/" << file << "] format "
+                << "invalid, err: " << e.what();
+            return -1;
+        } catch (...) {
+            LOG(FATAL) 
+                << "Config[" << path << "/" << file << "] format "
+                << "invalid, load failed";
+            return -1;
+        }
+        return 0;
+    }
+
+    InferService* create_item() {
+        return create_item_impl<InferService>();
+    }
+
+    InferService* item(const std::string& name) {
+        typename boost::unordered_map<std::string, InferService*>::iterator it;
+        it = _item_map.find(name);
+        if (it == _item_map.end()) {
+            LOG(WARNING) << "Not found item: " << name << "!";
+            return NULL;
+        }
+
+        return it->second;
+    }
+
+    InferService& operator[](const std::string& name) {
+        InferService* i = item(name);
+        if (i == NULL) {
+            std::string err = "Not found item in manager for:";
+            err += name;
+            throw std::overflow_error(err);
+        }
+        return *i;
+    }
+
+    int reload() {
+        int ret = 0;
+        typename boost::unordered_map<std::string, InferService*>::iterator it
+            = _item_map.begin();
+        for (; it != _item_map.end(); ++it) {
+            if (it->second->reload() != 0) {
+                LOG(WARNING) << "failed reload item: " << it->first << "!";
+                ret = -1;
+            }
+        }
+
+        LOG(INFO) << "Finish reload " 
+            << _item_map.size() 
+            << " " << InferService::tag() << "(s)";
+        return ret;
+    }
+
+    int finalize() {
+        return 0;
+    }
+
+private:
+    InferServiceManager() {}
+
+private:
+    boost::unordered_map<std::string, InferService*> _item_map;
+};
 
 } // predictor
 } // paddle_serving
diff --git a/predictor/framework/service.cpp b/predictor/framework/service.cpp
index 678ec062b50be12fe37cbb46e213556095ca819c..5ec5f1ae4829414bca4a366ab7b1d15bfe247dfe 100644
--- a/predictor/framework/service.cpp
+++ b/predictor/framework/service.cpp
@@ -13,10 +13,13 @@ namespace baidu {
 namespace paddle_serving {
 namespace predictor {
 
-int InferService::init(const comcfg::ConfigUnit& conf) {
-    _infer_service_format = conf["name"].to_cstr();
-    char merger[256];
-    conf["merger"].get_cstr(merger, sizeof(merger), "default");
+int InferService::init(const configure::InferService& conf) {
+    _infer_service_format = conf.name();
+
+    std::string merger = conf.merger();
+    if (merger == "") {
+        merger = "default";
+    }
     if (!MergerManager::instance().get(merger, _merger)) {
         LOG(ERROR) << "Failed get merger: " << merger;
         return ERR_INTERNAL_FAILURE;
@@ -24,6 +27,7 @@ int InferService::init(const comcfg::ConfigUnit& conf) {
         LOG(WARNING) << "Succ get merger: " << merger << 
             " for service: " << _infer_service_format;
     }
+
     ServerManager& svr_mgr = ServerManager::instance();
     if (svr_mgr.add_service_by_format(_infer_service_format) != 0) {
         LOG(FATAL) 
@@ -32,14 +36,11 @@ int InferService::init(const comcfg::ConfigUnit& conf) {
         return ERR_INTERNAL_FAILURE;
     }
     
-    uint32_t default_value = 0;
-    conf["enable_map_request_to_workflow"].get_uint32(&default_value, 0);
-    _enable_map_request_to_workflow = (default_value != 0);
+    _enable_map_request_to_workflow = conf.enable_map_request_to_workflow();
     LOG(INFO) << "service[" << _infer_service_format
             << "], enable_map_request_to_workflow["
             << _enable_map_request_to_workflow << "].";
 
-    uint32_t flow_size = conf["workflow"].size();
     if (_enable_map_request_to_workflow) {
         if (_request_to_workflow_map.init(
                 MAX_WORKFLOW_NUM_IN_ONE_SERVICE/*load_factor=80*/) != 0) {
@@ -49,31 +50,23 @@ int InferService::init(const comcfg::ConfigUnit& conf) {
             return ERR_INTERNAL_FAILURE;
         }
         int err = 0;
-        const char* pchar = conf["request_field_key"].to_cstr(&err);
-        if (err != 0) {
+        _request_field_key = conf.request_field_key().c_str();
+        if (_request_field_key == "") {
             LOG(FATAL) 
-                << "read request_field_key failed, err_code[" 
-                << err << "].";
+                << "read request_field_key failed, request_field_key[" 
+                << _request_field_key << "].";
             return ERR_INTERNAL_FAILURE;
         }
-        _request_field_key = std::string(pchar); 
+
         LOG(INFO) 
             << "service[" << _infer_service_format
             << "], request_field_key[" 
             << _request_field_key << "].";
-        uint32_t request_field_value_size = conf["request_field_value"].size();
-        if (request_field_value_size != flow_size) {
-            LOG(FATAL) 
-                << "flow_size[" << flow_size 
-                << "] not equal request_field_value_size[" 
-                << request_field_value_size << "].";
-            return ERR_INTERNAL_FAILURE;
-        }
-
-        for (uint32_t fi = 0; fi < flow_size; fi++) {
+        uint32_t value_mapped_workflows_size = conf.value_mapped_workflows_size();
+        for (uint32_t fi = 0; fi < value_mapped_workflows_size; fi++) {
             std::vector<std::string> tokens;
             std::vector<Workflow*> workflows;
-            std::string list = conf["workflow"][fi].to_cstr();
+            std::string list = conf.value_mapped_workflows(fi).workflow();
             boost::split(tokens, list, boost::is_any_of(","));
             uint32_t tsize = tokens.size();
             for (uint32_t ti = 0; ti < tsize; ++ti) {
@@ -89,7 +82,8 @@ int InferService::init(const comcfg::ConfigUnit& conf) {
                 workflow->regist_metric(full_name());
                 workflows.push_back(workflow);
             }
-            const std::string& request_field_value = conf["request_field_value"][fi].to_cstr();
+
+            const std::string& request_field_value = conf.value_mapped_workflows(fi).request_field_value();
             if (_request_to_workflow_map.insert(request_field_value, workflows) == NULL) {
                 LOG(FATAL) 
                     << "insert [" << request_field_value << "," 
@@ -100,9 +94,9 @@ int InferService::init(const comcfg::ConfigUnit& conf) {
                 << "], request_field_value[" << request_field_value << "].";
         }
     } else {
+        uint32_t flow_size = conf.workflows_size();
         for (uint32_t fi = 0; fi < flow_size; fi++) {
-            const std::string& workflow_name = 
-                conf["workflow"][fi].to_cstr();
+            const std::string& workflow_name = conf.workflows(fi);
             Workflow* workflow = 
                 WorkflowManager::instance().item(workflow_name);
             if (workflow == NULL) {
diff --git a/predictor/framework/service.h b/predictor/framework/service.h
index c685c8d9256219c0d77aaec8ce901517021dd740..b187c5c0dd753bd93c70fe3663def123061724f8 100644
--- a/predictor/framework/service.h
+++ b/predictor/framework/service.h
@@ -26,7 +26,7 @@ public:
         _request_to_workflow_map.clear();
     }
 
-    int init(const comcfg::ConfigUnit& conf);
+    int init(const configure::InferService& conf);
 
     int deinit() { return 0; }
 
diff --git a/predictor/framework/workflow.cpp b/predictor/framework/workflow.cpp
index 4c343179a4ae39e3f1ede27ffabaa483acde6b59..4a6c06539fac2bc24c58b8473522dbfe95ab2f2d 100644
--- a/predictor/framework/workflow.cpp
+++ b/predictor/framework/workflow.cpp
@@ -6,20 +6,11 @@ namespace baidu {
 namespace paddle_serving {
 namespace predictor {
 
-int Workflow::init(const comcfg::ConfigUnit& conf) {
-    const std::string& name = conf["name"].to_cstr();
-    const std::string& path = conf["path"].to_cstr();
-    const std::string& file = conf["file"].to_cstr();
-    comcfg::Configure wf_conf;
-    if (wf_conf.load(path.c_str(), file.c_str()) != 0) {
-        LOG(ERROR) 
-            << "Failed load workflow, conf:"
-            << path << "/" << file << "!";
-        return -1;
-    }
-    _type = wf_conf["workflow_type"].to_cstr();
+int Workflow::init(const configure::Workflow& conf) {
+    const std::string& name = conf.name();
+    _type = conf.workflow_type();
     _name = name;
-    if (_dag.init(wf_conf, name) != 0) {
+    if (_dag.init(conf, name) != 0) {
         LOG(ERROR) << "Failed initialize dag: " << _name;
         return -1;
     }
diff --git a/predictor/framework/workflow.h b/predictor/framework/workflow.h
index 9c4f77436be6a2830cb6d5255f0b1876cbce255e..552e004e61c099e9481fdfa019dc7de9d03c35af 100644
--- a/predictor/framework/workflow.h
+++ b/predictor/framework/workflow.h
@@ -23,7 +23,7 @@ public:
     // Each workflow object corresponds to an independent
     // configure file, so you can share the object between
     // different apps.
-    int init(const comcfg::ConfigUnit& conf);
+    int init(const configure::Workflow& conf);
         
     DagView* fetch_dag_view(const std::string& service_name);
 
diff --git a/predictor/op/op.h b/predictor/op/op.h
index 73928f6862bc755e6cc6770b0fd468c2c1fcc1bd..0abbff18dfe734d9d2a986c75d1a9d9f759497f1 100644
--- a/predictor/op/op.h
+++ b/predictor/op/op.h
@@ -148,7 +148,7 @@ public:
     virtual int inference() = 0;
 
     // ------------------ Conf Interface -------------------
-    virtual void* create_config(const comcfg::ConfigUnit& conf) { return NULL; }
+    virtual void* create_config(const configure::DAGNode& conf) { return NULL; }
     
     virtual void delete_config(void* conf) { }
 
diff --git a/predictor/src/pdserving.cpp b/predictor/src/pdserving.cpp
index eda0c0ff686def6cad5c044865a87101c3da0a6d..dad683d81452535ee47f10beb046d28c0fefb332 100644
--- a/predictor/src/pdserving.cpp
+++ b/predictor/src/pdserving.cpp
@@ -29,6 +29,9 @@ using baidu::paddle_serving::predictor::FLAGS_resource_file;
 using baidu::paddle_serving::predictor::FLAGS_reload_interval_s;
 using baidu::paddle_serving::predictor::FLAGS_port;
 
+using baidu::paddle_serving::configure::InferServiceConf;
+using baidu::paddle_serving::configure::read_proto_conf;
+
 void print_revision(std::ostream& os, void*) {
 #if defined(PDSERVING_VERSION)
     os << PDSERVING_VERSION;
@@ -52,15 +55,14 @@ void pthread_worker_start_fn() {
 }
 
 static void g_change_server_port() {
-    comcfg::Configure conf;
-    if (conf.load(FLAGS_inferservice_path.c_str(), FLAGS_inferservice_file.c_str()) != 0) {
+    InferServiceConf conf;
+    if (read_proto_conf(FLAGS_inferservice_path.c_str(), FLAGS_inferservice_file.c_str(), &conf) != 0) {
         LOG(WARNING) << "failed to load configure[" << FLAGS_inferservice_path
                 << "," << FLAGS_inferservice_file << "].";
         return;
     }
-    uint32_t port = 0;
-    int err = conf["port"].get_uint32(&port, 0);
-    if (err == 0) {
+    uint32_t port = conf.port();
+    if (port != 0) {
         FLAGS_port = port;
         LOG(INFO) << "use configure[" << FLAGS_inferservice_path << "/"
             << FLAGS_inferservice_file << "] port[" << port << "] instead of flags";
diff --git a/proto_configure/CMakeLists.txt b/proto_configure/CMakeLists.txt
index 5cd32c4edd5bddae1751512a6ac62a94a5717a02..89cf870d920af2c86ceea762ce50947dc7d56fa8 100644
--- a/proto_configure/CMakeLists.txt
+++ b/proto_configure/CMakeLists.txt
@@ -1,5 +1,6 @@
 LIST(APPEND protofiles
-        ${CMAKE_CURRENT_LIST_DIR}/proto/configure.proto
+        ${CMAKE_CURRENT_LIST_DIR}/proto/server_configure.proto
+        ${CMAKE_CURRENT_LIST_DIR}/proto/sdk_configure.proto
 )
 
 PROTOBUF_GENERATE_CPP(configure_proto_srcs configure_proto_hdrs ${protofiles})
diff --git a/proto_configure/proto/configure.proto b/proto_configure/proto/configure.proto
deleted file mode 100644
index 7ccf8f5464d940314b737fd2b91996e79a20b85d..0000000000000000000000000000000000000000
--- a/proto_configure/proto/configure.proto
+++ /dev/null
@@ -1,66 +0,0 @@
-syntax="proto2";
-package baidu.paddle_serving.configure;
-
-message EngineDesc {
-        required string type = 1;
-        required string reloadable_meta = 2;
-        required string reloadable_type = 3;
-        required string model_data_path = 4;
-        required uint32 runtime_thread_num = 5;
-        required uint32 batch_infer_size = 6;
-        required uint32 enable_batch_align = 7;
-        optional string version_file = 8;
-        optional string version_type = 9;
-};
-
-message VersionedEngine {
-        required string name = 1;
-        repeated EngineDesc versions = 2;
-        optional EngineDesc default_version = 3;
-};
-
-// model_toolkit conf
-message ModelToolkitConf {
-        repeated VersionedEngine engines = 1;
-};
-
-// reource conf
-message ResourceConf {
-        required string model_toolkit_path = 1;
-        required string model_toolkit_file = 2;
-};
-
-// DAG node depency info
-message DAGNodeDependency {
-        required string name = 1;
-        required string mode = 2;
-};
-
-// DAG Node
-message DAGNode {
-        required string name = 1;
-        required string type = 2;
-        repeated DAGNodeDependency dependencies = 3;
-};
-
-// workflow entry
-message Workflow {
-        required string name = 1;
-        required string workflow_type = 2;
-        repeated DAGNode nodes = 3;
-};
-
-// Workflow conf
-message WorkflowConf {
-        repeated Workflow workflow = 1;
-}
-
-message InferService {
-        required string name = 1;
-        repeated string workflow = 2;
-};
-
-// InferService conf
-message InferServiceConf {
-        repeated InferService service = 1;
-};
diff --git a/proto_configure/proto/sdk_configure.proto b/proto_configure/proto/sdk_configure.proto
new file mode 100644
index 0000000000000000000000000000000000000000..1c7b9a38e97524ba6f390a04a3d6e2660e7dec2c
--- /dev/null
+++ b/proto_configure/proto/sdk_configure.proto
@@ -0,0 +1,59 @@
+syntax="proto2";
+package baidu.paddle_serving.configure;
+
+message ConnectionConf {
+        required uint32 connect_timeout_ms = 1;
+        required uint32 rpc_timeout_ms = 2;
+        required uint32 connect_retry_count = 3;
+        required uint32 max_connection_per_host = 4;
+        required uint32 hedge_request_timeout_ms = 5;
+        required uint32 hedge_fetch_retry_count = 6;
+        required string connection_type = 7;
+};
+
+message NamingConf {
+        optional string cluster_filter_strategy = 1;
+        optional string load_balance_strategy = 2;
+        optional string cluster = 3;
+};
+
+message RpcParameter {
+        // 0-NONE, 1-SNAPPY, 2-GZIP, 3-ZLIB, 4-LZ4
+        required uint32 compress_type = 1;
+        required uint32 package_size = 2;
+        required string protocol = 3;
+        required uint32 max_channel_per_request = 4;
+};
+
+message SplitConf{
+        optional string split_tag_name = 1;
+        optional string tag_candidates = 2;
+};
+
+message VariantConf {
+        required string tag = 1;
+        optional ConnectionConf connection_conf = 2;
+        optional NamingConf naming_conf = 3;
+        optional RpcParameter rpc_parameter = 4;
+        optional SplitConf split_conf = 5;
+        optional string variant_router = 6;
+};
+
+message WeightedRandomRenderConf {
+        required string variant_weight_list = 1;
+};
+
+message Predictor {
+        required string name = 1;
+        required string service_name = 2;
+        required string endpoint_router = 3;
+        required WeightedRandomRenderConf weighted_random_render_conf = 4;
+        repeated VariantConf variants = 5;
+};
+
+// SDK conf
+message SDKConf {
+        required VariantConf default_variant_conf = 1;
+        repeated Predictor predictors = 2;
+};
+
diff --git a/proto_configure/proto/server_configure.proto b/proto_configure/proto/server_configure.proto
new file mode 100644
index 0000000000000000000000000000000000000000..32e7384506d00d7d17360e3096f429f8b4443632
--- /dev/null
+++ b/proto_configure/proto/server_configure.proto
@@ -0,0 +1,89 @@
+syntax="proto2";
+package baidu.paddle_serving.configure;
+
+message EngineDesc {
+        required string name = 1;
+        required string type = 2;
+        required string reloadable_meta = 3;
+        required string reloadable_type = 4;
+        required string model_data_path = 5;
+        required uint32 runtime_thread_num = 6;
+        required uint32 batch_infer_size = 7;
+        required uint32 enable_batch_align = 8;
+        optional string version_file = 9;
+        optional string version_type = 10;
+};
+
+// model_toolkit conf
+message ModelToolkitConf {
+        repeated EngineDesc engines = 1;
+};
+
+// reource conf
+message ResourceConf {
+        required string model_toolkit_path = 1;
+        required string model_toolkit_file = 2;
+};
+
+// DAG node depency info
+message DAGNodeDependency {
+        required string name = 1;
+        required string mode = 2;
+};
+
+// DAG Node
+message DAGNode {
+        required string name = 1;
+        required string type = 2;
+        repeated DAGNodeDependency dependencies = 3;
+};
+
+// workflow entry
+message Workflow {
+        required string name = 1;
+        required string workflow_type = 2;
+        repeated DAGNode nodes = 3;
+};
+
+// Workflow conf
+message WorkflowConf {
+        repeated Workflow workflows = 1;
+}
+
+
+// request_field_key: specifies use which request field as mapping key (see
+// request_field_key in InferService below)
+//
+// If the value of the user request field specified by `request_field_key`
+// matches the value of `request_field_value` in one of the
+// ValueMappedWorkflows, the request will be directed to the workflow specified
+// in the `workflow` field of that ValueMappedWorkflow
+// 
+message ValueMappedWorkflow {
+        required string request_field_value = 1;
+        required string workflow = 2;
+};
+
+message InferService {
+        required string name = 1;
+        optional string merger = 2;
+
+        optional bool enable_map_request_to_workflow = 3 [default = false];
+
+        // If enable_map_request_to_workfow = true
+        //
+        // Each request will be mapped to a workflow according to the value in
+        // in user request field specified by `request_field_key` (see the
+        // comments for ValueMappedWorkflow above)
+        optional string request_field_key = 4;
+        repeated ValueMappedWorkflow value_mapped_workflows = 5;
+
+        // If enable_map_request_to_workflow = false
+        repeated string workflows = 6;
+};
+
+// InferService conf
+message InferServiceConf {
+        optional uint32 port = 1;
+        repeated InferService services = 2;
+};
diff --git a/proto_configure/src/configure_parser.cpp b/proto_configure/src/configure_parser.cpp
index ba41caf3d298b2efef54757a04e155685bcb502d..d527b8ee581f43f469de470bf10e4143677e4c82 100644
--- a/proto_configure/src/configure_parser.cpp
+++ b/proto_configure/src/configure_parser.cpp
@@ -15,7 +15,7 @@ int read_proto_conf(const std::string &conf_path,
                     const std::string &conf_file,
                     google::protobuf::Message *conf)
 {
-    std::string file_str = conf_path + conf_file;
+    std::string file_str = conf_path + "/" + conf_file;
     int fd = open(file_str.c_str(), O_RDONLY);
     if (fd == -1) {
         LOG(WARNING) << "File not found: " << file_str.c_str();
@@ -39,7 +39,7 @@ int write_proto_conf(google::protobuf::Message *message,
     std::string binary_str;
     google::protobuf::TextFormat::PrintToString(*message, &binary_str);
 
-    std::string file_str = output_path + output_file;
+    std::string file_str = output_path + "/" + output_file;
     std::ofstream fout_bin((file_str.c_str()));
     if (!fout_bin) {
         LOG(WARNING) << "Open file error: " << file_str.c_str();
diff --git a/proto_configure/tests/test_configure.cpp b/proto_configure/tests/test_configure.cpp
index 8f1cac41b9ebafc286c4b12c2097e132a1b4bfa2..d145a0f7cb8953437c85762d04b88c0089b66b0a 100644
--- a/proto_configure/tests/test_configure.cpp
+++ b/proto_configure/tests/test_configure.cpp
@@ -2,11 +2,11 @@
 #include <sys/stat.h>
 #include <unistd.h>
 #include <iostream>
-#include "configure.pb.h"
+#include "server_configure.pb.h"
+#include "sdk_configure.pb.h"
 #include "configure_parser.h"
 
 using baidu::paddle_serving::configure::EngineDesc;
-using baidu::paddle_serving::configure::VersionedEngine;
 using baidu::paddle_serving::configure::ModelToolkitConf;
 
 using baidu::paddle_serving::configure::ResourceConf;
@@ -19,11 +19,21 @@ using baidu::paddle_serving::configure::WorkflowConf;
 using baidu::paddle_serving::configure::InferService;
 using baidu::paddle_serving::configure::InferServiceConf;
 
+using baidu::paddle_serving::configure::ConnectionConf;
+using baidu::paddle_serving::configure::WeightedRandomRenderConf;
+using baidu::paddle_serving::configure::NamingConf;
+using baidu::paddle_serving::configure::RpcParameter;
+using baidu::paddle_serving::configure::Predictor;
+using baidu::paddle_serving::configure::VariantConf;
+
+using baidu::paddle_serving::configure::SDKConf;
+
 const std::string output_dir = "./conf/";
 const std::string model_toolkit_conf_file = "model_toolkit.prototxt";
 const std::string resource_conf_file = "resource.prototxt";
 const std::string workflow_conf_file = "workflow.prototxt";
 const std::string service_conf_file = "service.prototxt";
+const std::string sdk_conf_file = "predictors.protxt";
 
 int test_write_conf()
 {
@@ -31,38 +41,15 @@ int test_write_conf()
     ModelToolkitConf model_toolkit_conf;
 
     // This engine has a default version
-    VersionedEngine *engine = model_toolkit_conf.add_engines();
+    EngineDesc *engine = model_toolkit_conf.add_engines();
     engine->set_name("image_classification_resnet");
-    EngineDesc *engine_desc = engine->mutable_default_version();
-    engine_desc->set_type("FLUID_CPU_NATIVE_V2");
-    engine_desc->set_reloadable_meta("./data/model/paddle/fluid_time_file");
-    engine_desc->set_reloadable_type("timestamp_ne");
-    engine_desc->set_model_data_path("./data/model/paddle/fluid/SE_ResNeXt50_32x4d");
-    engine_desc->set_runtime_thread_num(0);
-    engine_desc->set_batch_infer_size(0);
-    engine_desc->set_enable_batch_align(0);
-
-    // This engine has two versioned branches
-    engine = model_toolkit_conf.add_engines();
-    engine->set_name("image_classification_resnet_versioned");
-    // Version 1
-    engine_desc = engine->add_versions();
-    engine_desc->set_type("FLUID_CPU_NATIVE_DIR");
-    engine_desc->set_reloadable_meta("./data/model/paddle/fluid_time_file");
-    engine_desc->set_reloadable_type("timestamp_ne");
-    engine_desc->set_model_data_path("./data/model/paddle/fluid/SE_ResNeXt50_32x4d");
-    engine_desc->set_runtime_thread_num(0);
-    engine_desc->set_batch_infer_size(0);
-    engine_desc->set_enable_batch_align(0);
-    // Version 2
-    engine_desc = engine->add_versions();
-    engine_desc->set_type("FLUID_CPU_NATIVE_DIR");
-    engine_desc->set_reloadable_meta("./data/model/paddle/fluid_time_file_2");
-    engine_desc->set_reloadable_type("timestamp_ne_2");
-    engine_desc->set_model_data_path("./data/model/paddle/fluid/SE_ResNeXt50_32x4d_2");
-    engine_desc->set_runtime_thread_num(0);
-    engine_desc->set_batch_infer_size(0);
-    engine_desc->set_enable_batch_align(0);
+    engine->set_type("FLUID_CPU_NATIVE_DIR");
+    engine->set_reloadable_meta("./data/model/paddle/fluid_time_file");
+    engine->set_reloadable_type("timestamp_ne");
+    engine->set_model_data_path("./data/model/paddle/fluid/SE_ResNeXt50_32x4d");
+    engine->set_runtime_thread_num(0);
+    engine->set_batch_infer_size(0);
+    engine->set_enable_batch_align(0);
 
     int ret = baidu::paddle_serving::configure::write_proto_conf(&model_toolkit_conf, output_dir, model_toolkit_conf_file);
     if (ret != 0) {
@@ -72,7 +59,7 @@ int test_write_conf()
     // resource conf
     ResourceConf resource_conf;
     resource_conf.set_model_toolkit_path(output_dir);
-    resource_conf.set_model_toolkit_file("resource.prototxt");
+    resource_conf.set_model_toolkit_file("model_toolkit.prototxt");
     ret = baidu::paddle_serving::configure::write_proto_conf(&resource_conf, output_dir, resource_conf_file);
     if (ret != 0) {
         return ret;
@@ -80,7 +67,7 @@ int test_write_conf()
 
     // workflow entries conf
     WorkflowConf workflow_conf;
-    Workflow *workflow = workflow_conf.add_workflow();
+    Workflow *workflow = workflow_conf.add_workflows();
     workflow->set_name("workflow1");
     workflow->set_workflow_type("Sequence");
 
@@ -102,7 +89,7 @@ int test_write_conf()
     node_dependency->set_name("image_classify_op");
     node_dependency->set_mode("RO");
 
-    workflow = workflow_conf.add_workflow();
+    workflow = workflow_conf.add_workflows();
     workflow->set_name("workflow2");
     workflow->set_workflow_type("Sequence");
 
@@ -116,19 +103,62 @@ int test_write_conf()
     }
 
     InferServiceConf infer_service_conf;
-    InferService *infer_service = infer_service_conf.add_service();
+    infer_service_conf.set_port(0);
+    InferService *infer_service = infer_service_conf.add_services();
     infer_service->set_name("ImageClassifyService");
-    infer_service->add_workflow("workflow1");
-    infer_service->add_workflow("workflow2");
+    infer_service->add_workflows("workflow1");
+    infer_service->add_workflows("workflow2");
 
-    infer_service = infer_service_conf.add_service();
+    infer_service = infer_service_conf.add_services();
     infer_service->set_name("BuiltinDenseFormatService");
-    infer_service->add_workflow("workflow2");
+    infer_service->add_workflows("workflow2");
 
     ret = baidu::paddle_serving::configure::write_proto_conf(&infer_service_conf, output_dir, service_conf_file);
     if (ret != 0) {
         return ret;
     }
+
+    SDKConf sdk_conf;
+    VariantConf *default_variant_conf = sdk_conf.mutable_default_variant_conf();
+    default_variant_conf->set_tag("default");
+
+    ConnectionConf *connection_conf = default_variant_conf->mutable_connection_conf();
+    connection_conf->set_connect_timeout_ms(2000);
+    connection_conf->set_rpc_timeout_ms(20000);
+    connection_conf->set_connect_retry_count(2);
+    connection_conf->set_max_connection_per_host(100);
+    connection_conf->set_hedge_request_timeout_ms(-1);
+    connection_conf->set_hedge_fetch_retry_count(2);
+    connection_conf->set_connection_type("pooled");
+
+    NamingConf *naming_conf = default_variant_conf->mutable_naming_conf();
+    naming_conf->set_cluster_filter_strategy("Default");
+    naming_conf->set_load_balance_strategy("la");
+
+    RpcParameter *rpc_parameter = default_variant_conf->mutable_rpc_parameter();
+    rpc_parameter->set_compress_type(0);
+    rpc_parameter->set_package_size(20);
+    rpc_parameter->set_protocol("baidu_std");
+    rpc_parameter->set_max_channel_per_request(3);
+
+    Predictor *predictor = sdk_conf.add_predictors();
+    predictor->set_name("ximage");
+    predictor->set_service_name("baidu.paddle_serving.predictor.image_classification.ImageClassifyService");
+    predictor->set_endpoint_router("WeightedRandomRender");
+
+    WeightedRandomRenderConf *weighted_random_render_conf = predictor->mutable_weighted_random_render_conf();
+    weighted_random_render_conf->set_variant_weight_list("50");
+
+    VariantConf *variant_conf = predictor->add_variants();
+    variant_conf->set_tag("var1");
+    naming_conf = variant_conf->mutable_naming_conf();
+    naming_conf->set_cluster("list://127.0.0.1:8010");
+
+    ret = baidu::paddle_serving::configure::write_proto_conf(&sdk_conf, output_dir, sdk_conf_file);
+    if (ret != 0) {
+        return ret;
+    }
+
     return 0;
 }
 
@@ -164,6 +194,13 @@ int test_read_conf()
         return -1;
     }
 
+    SDKConf sdk_conf;
+    ret = baidu::paddle_serving::configure::read_proto_conf(output_dir, sdk_conf_file, &sdk_conf);
+    if (ret != 0) {
+        std::cout << "Read conf fail: " << sdk_conf_file << std::endl;
+        return -1;
+    }
+
     return 0;
 }
 
diff --git a/sdk-cpp/CMakeLists.txt b/sdk-cpp/CMakeLists.txt
index 2ac0ec8d5dcf1040a642d38e8b1f857879163ec4..c368059e5ccb1b140eec5e834364b56a44a0bfbf 100644
--- a/sdk-cpp/CMakeLists.txt
+++ b/sdk-cpp/CMakeLists.txt
@@ -1,21 +1,25 @@
 include(src/CMakeLists.txt)
 include(proto/CMakeLists.txt)
 add_library(sdk-cpp ${sdk_cpp_srcs})
-add_dependencies(sdk-cpp configure)
+add_dependencies(sdk-cpp configure proto_configure)
 target_include_directories(sdk-cpp PUBLIC
         ${CMAKE_CURRENT_LIST_DIR}/include
         ${CMKAE_CURRENT_BINARY_DIR}/
+        ${CMAKE_CURRENT_BINARY_DIR}/../proto_configure
         ${CMAKE_CURRENT_LIST_DIR}/../configure
+        ${CMAKE_CURRENT_LIST_DIR}/../proto_configure/include
         ${CMAKE_CURRENT_LIST_DIR}/../ullib/include
         ${CMAKE_CURRENT_BINARY_DIR}/../bsl/include
         )
-target_link_libraries(sdk-cpp brpc configure protobuf leveldb)
+target_link_libraries(sdk-cpp brpc configure proto_configure protobuf leveldb)
 
 add_executable(ximage ${CMAKE_CURRENT_LIST_DIR}/demo/ximage.cpp)
 target_include_directories(ximage PUBLIC
         ${CMAKE_CURRENT_LIST_DIR}/include
         ${CMAKE_CURRENT_BINARY_DIR}
+        ${CMAKE_CURRENT_BINARY_DIR}/../proto_configure
         ${CMAKE_CURRENT_LIST_DIR}/../configure
+        ${CMAKE_CURRENT_LIST_DIR}/../proto_configure/include
         ${CMAKE_CURRENT_LIST_DIR}/../ullib/include
         ${CMAKE_CURRENT_BINARY_DIR}/../bsl/include)
 target_link_libraries(ximage sdk-cpp -lpthread -lcrypto -lm -lrt -lssl -ldl
@@ -25,7 +29,9 @@ add_executable(mapcnn_dense ${CMAKE_CURRENT_LIST_DIR}/demo/mapcnn_dense.cpp)
 target_include_directories(mapcnn_dense PUBLIC
         ${CMAKE_CURRENT_LIST_DIR}/include
         ${CMAKE_CURRENT_BINARY_DIR}/
+        ${CMAKE_CURRENT_BINARY_DIR}/../proto_configure
         ${CMAKE_CURRENT_LIST_DIR}/../configure
+        ${CMAKE_CURRENT_LIST_DIR}/../proto_configure/include
         ${CMAKE_CURRENT_LIST_DIR}/../ullib/include
         ${CMAKE_CURRENT_BINARY_DIR}/../bsl/include)
 target_link_libraries(mapcnn_dense sdk-cpp -lpthread -lcrypto -lm -lrt -lssl
@@ -35,7 +41,9 @@ add_executable(mapcnn_sparse ${CMAKE_CURRENT_LIST_DIR}/demo/mapcnn_sparse.cpp)
 target_include_directories(mapcnn_sparse PUBLIC
         ${CMAKE_CURRENT_LIST_DIR}/include
         ${CMAKE_CURRENT_BINARY_DIR}/
+        ${CMAKE_CURRENT_BINARY_DIR}/../proto_configure
         ${CMAKE_CURRENT_LIST_DIR}/../configure
+        ${CMAKE_CURRENT_LIST_DIR}/../proto_configure/include
         ${CMAKE_CURRENT_LIST_DIR}/../ullib/include
         ${CMAKE_CURRENT_BINARY_DIR}/../bsl/include)
 target_link_libraries(mapcnn_sparse sdk-cpp -lpthread -lcrypto -lm -lrt -lssl
diff --git a/sdk-cpp/demo/ximage.cpp b/sdk-cpp/demo/ximage.cpp
index 12b7bc093440cb5416b864e9e03e5320cb6cb838..74aaee25bb0b21c80bb750c709e775798c96ffd4 100644
--- a/sdk-cpp/demo/ximage.cpp
+++ b/sdk-cpp/demo/ximage.cpp
@@ -118,7 +118,7 @@ void print_res(
 int main(int argc, char** argv) {
     PredictorApi api;
     
-    if (api.create("./conf", "predictors.conf") != 0) {
+    if (api.create("./conf", "predictors.prototxt") != 0) {
         LOG(FATAL) << "Failed create predictors api!"; 
         return -1;
     }
diff --git a/sdk-cpp/include/abtest.h b/sdk-cpp/include/abtest.h
index 0123b7f8e9a5bce3ed5f28ff7f398f90dc82b123..3e00097054bb81cf6a33f4e71d9e789226a4943d 100644
--- a/sdk-cpp/include/abtest.h
+++ b/sdk-cpp/include/abtest.h
@@ -18,6 +18,7 @@
 #include "stub.h"
 #include "common.h"
 #include "factory.h"
+#include <google/protobuf/message.h>
 
 namespace baidu {
 namespace paddle_serving {
@@ -35,7 +36,7 @@ public:
     virtual ~EndpointRouterBase() {}
 
     virtual int initialize(
-            const comcfg::ConfigUnit& conf) = 0;
+            const google::protobuf::Message& conf) = 0;
 
     virtual Variant* route(const VariantList&) = 0;
 
@@ -56,7 +57,7 @@ public:
     ~WeightedRandomRender() {}
 
     int initialize(
-            const comcfg::ConfigUnit& conf);
+            const google::protobuf::Message& conf);
 
     Variant* route(const VariantList&);
 
diff --git a/sdk-cpp/include/common.h b/sdk-cpp/include/common.h
index c91e2e51adf5d6bd6131eab76f8a0e541723c029..dfcd9108be849da1f30da3ef83df4b4a78a490cc 100644
--- a/sdk-cpp/include/common.h
+++ b/sdk-cpp/include/common.h
@@ -42,6 +42,8 @@
 #include <json2pb/json_to_pb.h>
 
 #include "Configure.h"
+#include "sdk_configure.pb.h"
+#include "configure_parser.h"
 
 #include "utils.h"
 
diff --git a/sdk-cpp/include/config_manager.h b/sdk-cpp/include/config_manager.h
index 7d08c09206effd50f39524bcd053cd2d95448018..5696092b6068b6ccb7242f11e8921adf1160b6a4 100644
--- a/sdk-cpp/include/config_manager.h
+++ b/sdk-cpp/include/config_manager.h
@@ -62,17 +62,17 @@ public:
 
 private:
     int init_one_variant(
-            const comcfg::ConfigUnit& conf, 
+            const configure::VariantConf& conf, 
             VariantInfo& var);
 
     int init_one_endpoint(
-            const comcfg::ConfigUnit& conf,
+            const configure::Predictor& conf,
             EndpointInfo& ep,
             const VariantInfo& default_var);
 
     int merge_variant(
             const VariantInfo& default_var,
-            const comcfg::ConfigUnit& conf,
+            const configure::VariantConf& conf,
             VariantInfo& merged_var);
 
     int parse_tag_values(
diff --git a/sdk-cpp/include/endpoint_config.h b/sdk-cpp/include/endpoint_config.h
index 4c272aac6c2bac81e633f9128cce6ffd11f2b20b..cca2f6f1b912252fd145e8c123949ac25442f69c 100644
--- a/sdk-cpp/include/endpoint_config.h
+++ b/sdk-cpp/include/endpoint_config.h
@@ -27,12 +27,7 @@ namespace sdk_cpp {
 #define PARSE_CONF_ITEM(conf, item, name, fail)             \
     do {                                                    \
         try {                                               \
-            item.set(conf[name]);                           \
-        } catch (comcfg::NoSuchKeyException& e) {           \
-            LOG(INFO) << "Not found key in configue: " << name;\
-        } catch (comcfg::ConfigException& e) {              \
-            LOG(FATAL) << "Error config, key: " << name;    \
-            return fail;                                    \
+            item.set(conf.name());                           \
         } catch (...) {                                     \
             LOG(FATAL) << "Unkown error accurs when load config";\
             return fail;                                    \
@@ -60,55 +55,10 @@ template<typename T> struct ConfigItem {
     T value;
     bool init;
     ConfigItem() : init(false) {}
-    void set(const comcfg::ConfigUnit& unit) {
-        set_impl(type_traits<T>::tag, unit);
+    void set(const T& unit) {
+        value = unit;
         init = true;
     }
-
-    void set_impl(type_traits<int16_t>&,
-            const comcfg::ConfigUnit& unit) {
-        value = unit.to_int16();
-    }
-
-    void set_impl(type_traits<int32_t>&, 
-            const comcfg::ConfigUnit& unit) {
-        value = unit.to_int32();
-    }
-
-    void set_impl(type_traits<int64_t>&,
-            const comcfg::ConfigUnit& unit) {
-        value = unit.to_int64();
-    }
-
-    void set_impl(type_traits<uint16_t>&,
-            const comcfg::ConfigUnit& unit) {
-        value = unit.to_uint16();
-    }
-
-    void set_impl(type_traits<uint32_t>&,
-            const comcfg::ConfigUnit& unit) {
-        value = unit.to_uint32();
-    }
-
-    void set_impl(type_traits<uint64_t>&,
-            const comcfg::ConfigUnit& unit) {
-        value = unit.to_uint64();
-    }
-
-    void set_impl(type_traits<float>&,
-            const comcfg::ConfigUnit& unit) {
-        value = unit.to_float();
-    }
-
-    void set_impl(type_traits<double>&,
-            const comcfg::ConfigUnit& unit) {
-        value = unit.to_double();
-    }
-
-    void set_impl(type_traits<std::string>&,
-            const comcfg::ConfigUnit& unit) {
-        value = unit.to_cstr();
-    }
 };
 
 struct Connection {
diff --git a/sdk-cpp/src/abtest.cpp b/sdk-cpp/src/abtest.cpp
index c9408f956e83b00fb6c133fb94cbaecaf64f022a..cd7ea1b2505970c054c2d604026560983e262e35 100644
--- a/sdk-cpp/src/abtest.cpp
+++ b/sdk-cpp/src/abtest.cpp
@@ -20,11 +20,14 @@ namespace sdk_cpp {
 
 
 int WeightedRandomRender::initialize(
-        const comcfg::ConfigUnit& conf) {
+        const google::protobuf::Message& conf) {
     srand((unsigned)time(NULL));
     try {
+        const configure::WeightedRandomRenderConf &weighted_random_render_conf =
+            dynamic_cast<const configure::WeightedRandomRenderConf&>(conf);
+        
         std::string weights 
-            = conf["VariantWeightList"].to_cstr();
+            = weighted_random_render_conf.variant_weight_list();
 
         std::vector<std::string> splits;
         if (str_split(weights, WEIGHT_SEPERATOR, &splits) != 0) {
@@ -57,7 +60,7 @@ int WeightedRandomRender::initialize(
         LOG(INFO) << "Succ read weights list: " << weights
             << ", count: " << _variant_weight_list.size()
             << ", normalized: " << _normalized_sum;
-    } catch (comcfg::ConfigException& e) {
+    } catch (std::bad_cast& e) {
         LOG(FATAL) << "Failed init WeightedRandomRender" 
             << "from configure, err:" << e.what();
         return -1;
diff --git a/sdk-cpp/src/config_manager.cpp b/sdk-cpp/src/config_manager.cpp
index 851cb446b2683bf8535f45de51258f720a8891f6..e24bcaad32c9dd599e0fe44b71a2c1706c1f69c8 100644
--- a/sdk-cpp/src/config_manager.cpp
+++ b/sdk-cpp/src/config_manager.cpp
@@ -19,6 +19,8 @@ namespace baidu {
 namespace paddle_serving {
 namespace sdk_cpp {
 
+using configure::SDKConf;
+
 int EndpointConfigManager::create(const char* path, const char* file) {
     _endpoint_config_path = path;
     _endpoint_config_file = file;
@@ -33,10 +35,11 @@ int EndpointConfigManager::create(const char* path, const char* file) {
 
 int EndpointConfigManager::load() {
     try {
-        comcfg::Configure conf;
-        if (conf.load(
+        SDKConf sdk_conf;
+        if (configure::read_proto_conf(
                     _endpoint_config_path.c_str(),
-                    _endpoint_config_file.c_str()) != 0) {
+                    _endpoint_config_file.c_str(),
+                    &sdk_conf) != 0) {
             LOG(FATAL)
                 << "Failed initialize endpoint list"
                 << ", config: " << _endpoint_config_path
@@ -45,16 +48,16 @@ int EndpointConfigManager::load() {
         }
 
         VariantInfo default_var;
-        if (init_one_variant(conf["DefaultVariantInfo"],
+        if (init_one_variant(sdk_conf.default_variant_conf(),
                     default_var) != 0) {
             LOG(FATAL) << "Failed read default var conf";
             return -1;
         }
 
-        uint32_t ep_size = conf["Predictor"].size();
+        uint32_t ep_size = sdk_conf.predictors_size();
         for (uint32_t ei = 0; ei < ep_size; ++ei) {
             EndpointInfo ep;
-            if (init_one_endpoint(conf["Predictor"][ei], ep,
+            if (init_one_endpoint(sdk_conf.predictors(ei), ep,
                         default_var) != 0) {
                 LOG(FATAL) << "Failed read endpoint info at: "
                         << ei;
@@ -88,36 +91,41 @@ int EndpointConfigManager::load() {
 }
 
 int EndpointConfigManager::init_one_endpoint(
-        const comcfg::ConfigUnit& conf, EndpointInfo& ep,
+        const configure::Predictor& conf, EndpointInfo& ep,
         const VariantInfo& dft_var) {
     try {
         // name
-        ep.endpoint_name = conf["name"].to_cstr();
+        ep.endpoint_name = conf.name();
         // stub
-        ep.stub_service = conf["service_name"].to_cstr();
+        ep.stub_service = conf.service_name();
         // abtest
         ConfigItem<std::string> ep_router;
-        PARSE_CONF_ITEM(conf, ep_router, "endpoint_router", -1);
+        PARSE_CONF_ITEM(conf, ep_router, endpoint_router, -1);
         if (ep_router.init) {
-            std::string endpoint_router_info
-                = conf["endpoint_router"].to_cstr();
+            if (ep_router.value != "WeightedRandomRenderConf") {
+                LOG(FATAL) << "endpointer_router unrecognized " << ep_router.value;
+                return -1;
+            }
+
             EndpointRouterBase* router
                 = EndpointRouterFactory::instance().generate_object(
                         ep_router.value);
-            if (!router || router->initialize(
-                        conf[endpoint_router_info.c_str()]) != 0) {
+
+            const configure::WeightedRandomRenderConf &router_conf =
+                conf.weighted_random_render_conf();
+            if (!router || router->initialize(router_conf) != 0) {
                 LOG(FATAL) << "Failed fetch valid ab test strategy"
-                    << ", name:" << endpoint_router_info;
+                    << ", name:" << ep_router.value;
                 return -1;
             }
             ep.ab_test = router;
         }
 
         // varlist
-        uint32_t var_size = conf["VariantInfo"].size();
+        uint32_t var_size = conf.variants_size();
         for (uint32_t vi = 0; vi < var_size; ++vi) {
             VariantInfo var;
-            if (merge_variant(dft_var, conf["VariantInfo"][vi],
+            if (merge_variant(dft_var, conf.variants(vi),
                         var) != 0) {
                 LOG(FATAL) << "Failed merge variant info at: "
                     << vi;
@@ -146,54 +154,54 @@ int EndpointConfigManager::init_one_endpoint(
 }
 
 int EndpointConfigManager::init_one_variant(
-        const comcfg::ConfigUnit& conf, VariantInfo& var) {
+        const configure::VariantConf& conf, VariantInfo& var) {
     try {
     // Connect
-    const comcfg::ConfigUnit& conn = conf["Connection"];
+    const configure::ConnectionConf& conn = conf.connection_conf();
 
     PARSE_CONF_ITEM(conn, var.connection.tmo_conn,
-            "ConnectTimeoutMilliSec", -1);
+            connect_timeout_ms, -1);
     PARSE_CONF_ITEM(conn, var.connection.tmo_rpc,
-            "RpcTimeoutMilliSec", -1);
+            rpc_timeout_ms, -1);
     PARSE_CONF_ITEM(conn, var.connection.tmo_hedge,
-            "HedgeRequestTimeoutMilliSec", -1);
+            hedge_request_timeout_ms, -1);
     PARSE_CONF_ITEM(conn, var.connection.cnt_retry_conn,
-            "ConnectRetryCount", -1);
+            connect_retry_count, -1);
     PARSE_CONF_ITEM(conn, var.connection.cnt_retry_hedge,
-            "HedgeFetchRetryCount", -1);
+            hedge_fetch_retry_count, -1);
     PARSE_CONF_ITEM(conn, var.connection.cnt_maxconn_per_host,
-            "MaxConnectionPerHost", -1);
+            max_connection_per_host, -1);
     PARSE_CONF_ITEM(conn, var.connection.type_conn,
-            "ConnectionType", -1);
+            connection_type, -1);
 
     // Naming
-    const comcfg::ConfigUnit& name = conf["NamingInfo"];
+    const configure::NamingConf& name = conf.naming_conf();
 
     PARSE_CONF_ITEM(name, var.naminginfo.cluster_naming,
-            "Cluster", -1);
+            cluster, -1);
     PARSE_CONF_ITEM(name, var.naminginfo.load_balancer,
-            "LoadBalanceStrategy", -1);
+            load_balance_strategy, -1);
     PARSE_CONF_ITEM(name, var.naminginfo.cluster_filter,
-            "ClusterFilterStrategy", -1);
+            cluster_filter_strategy, -1);
 
     // Rpc
-    const comcfg::ConfigUnit& params = conf["RpcParameter"];
+    const configure::RpcParameter& params = conf.rpc_parameter();
 
     PARSE_CONF_ITEM(params, var.parameters.protocol,
-            "Protocol", -1);
+            protocol, -1);
     PARSE_CONF_ITEM(params, var.parameters.compress_type,
-            "CompressType", -1);
+            compress_type, -1);
     PARSE_CONF_ITEM(params, var.parameters.package_size,
-            "PackageSize", -1);
+            package_size, -1);
     PARSE_CONF_ITEM(params, var.parameters.max_channel,
-            "MaxChannelPerRequest", -1);
+            max_channel_per_request, -1);
     // Split
-    const comcfg::ConfigUnit& splits = conf["SplitInfo"];
+    const configure::SplitConf& splits = conf.split_conf();
 
     PARSE_CONF_ITEM(splits, var.splitinfo.split_tag,
-            "split_tag_name", -1);
+            split_tag_name, -1);
     PARSE_CONF_ITEM(splits, var.splitinfo.tag_cands_str,
-            "tag_candidates", -1);
+            tag_candidates, -1);
     if (parse_tag_values(var.splitinfo) != 0) {
         LOG(FATAL) << "Failed parse tag_values:" <<
             var.splitinfo.tag_cands_str.value;
@@ -202,11 +210,11 @@ int EndpointConfigManager::init_one_variant(
 
     // tag
     PARSE_CONF_ITEM(conf, var.parameters.route_tag,
-            "Tag", -1);
+            tag, -1);
 
     // router
     ConfigItem<std::string> var_router;
-    PARSE_CONF_ITEM(conf, var_router, "variant_router", -1);
+    PARSE_CONF_ITEM(conf, var_router, variant_router, -1);
     if (var_router.init) {
         VariantRouterBase* router
             = VariantRouterFactory::instance().generate_object(
@@ -230,7 +238,7 @@ int EndpointConfigManager::init_one_variant(
 
 int EndpointConfigManager::merge_variant(
         const VariantInfo& default_var,
-        const comcfg::ConfigUnit& conf,
+        const configure::VariantConf& conf,
         VariantInfo& merged_var) {
     merged_var = default_var;