diff --git a/cpp/CHANGELOG.md b/cpp/CHANGELOG.md
index ce3957e82192a1d809a127740059a69f525476ca..12906a4b6d48afeced78a738e9ca6d616b1848f3 100644
--- a/cpp/CHANGELOG.md
+++ b/cpp/CHANGELOG.md
@@ -8,6 +8,7 @@ Please mark all change in change log and use the ticket from JIRA.
 - MS-411 - Fix metric unittest linking error
 - MS-412 - Fix gpu cache logical error
 - MS-416 - ExecutionEngineImpl::GpuCache has not return value cause crash
+- MS-417 - YAML sequence load disable cause scheduler startup failed
 
 ## Improvement
 - MS-327 - Clean code for milvus
diff --git a/cpp/src/config/YamlConfigMgr.cpp b/cpp/src/config/YamlConfigMgr.cpp
index ee935bf32ccf460fe128afc7de3738401b593667..9a34ef3e63c978c184d859cc5b3dc6997ab7ac06 100644
--- a/cpp/src/config/YamlConfigMgr.cpp
+++ b/cpp/src/config/YamlConfigMgr.cpp
@@ -73,19 +73,19 @@ YamlConfigMgr::SetChildConfig(const YAML::Node& node,
     return false;
 }
 
-//bool
-//YamlConfigMgr::SetSequence(const YAML::Node &node,
-//                           const std::string &child_name,
-//                           ConfigNode &config) {
-//    if(node[child_name].IsDefined ()) {
-//        size_t cnt = node[child_name].size();
-//        for(size_t i = 0; i < cnt; i++){
-//            config.AddSequenceItem(child_name, node[child_name][i].as<std::string>());
-//        }
-//        return true;
-//    }
-//    return false;
-//}
+bool
+YamlConfigMgr::SetSequence(const YAML::Node &node,
+                           const std::string &child_name,
+                           ConfigNode &config) {
+    if(node[child_name].IsDefined ()) {
+        size_t cnt = node[child_name].size();
+        for(size_t i = 0; i < cnt; i++){
+            config.AddSequenceItem(child_name, node[child_name][i].as<std::string>());
+        }
+        return true;
+    }
+    return false;
+}
 
 void
 YamlConfigMgr::LoadConfigNode(const YAML::Node& node, ConfigNode& config) {
@@ -98,8 +98,8 @@ YamlConfigMgr::LoadConfigNode(const YAML::Node& node, ConfigNode& config) {
             SetConfigValue(node, key, config);
         } else if(node[key].IsMap()){
             SetChildConfig(node, key, config);
-//        } else if(node[key].IsSequence()){
-//            SetSequence(node, key, config);
+        } else if(node[key].IsSequence()){
+            SetSequence(node, key, config);
         }
     }
 }
diff --git a/cpp/src/config/YamlConfigMgr.h b/cpp/src/config/YamlConfigMgr.h
index 05b55d9da526e64e05c597386b9ab4f6cd11145c..b8828b7a8c297598f3500ca21a86943c9b21e957 100644
--- a/cpp/src/config/YamlConfigMgr.h
+++ b/cpp/src/config/YamlConfigMgr.h
@@ -33,10 +33,10 @@ class YamlConfigMgr : public IConfigMgr {
                         const std::string &name,
                         ConfigNode &config);
 
-//    bool
-//    SetSequence(const YAML::Node &node,
-//                const std::string &child_name,
-//                ConfigNode &config);
+    bool
+    SetSequence(const YAML::Node &node,
+                const std::string &child_name,
+                ConfigNode &config);
 
     void LoadConfigNode(const YAML::Node& node, ConfigNode& config);