diff --git a/services/init/standard/init_cmds.c b/services/init/standard/init_cmds.c
index 60a565d2b5ba7485e8842e9bf7c6b1143c5ad686..32894b551109ce7d5713b48f8a3a6ae0dd40a361 100755
--- a/services/init/standard/init_cmds.c
+++ b/services/init/standard/init_cmds.c
@@ -182,18 +182,29 @@ static void DoExec(const struct CmdArgs *ctx)
         INIT_ERROR_CHECK(ctx != NULL && ctx->argv[0] != NULL, _exit(0x7f),
             "DoExec: invalid arguments to exec \"%s\"", ctx->argv[0]);
 #ifdef SUPPORT_PROFILER_HIDEBUG
-        void* handle = dlopen("/system/lib/libhidebug.so", RTLD_LAZY);
-        if (handle == NULL) {
-            INIT_LOGE("Failed to dlopen libhidebug.so, %s\n", dlerror());
-            return;
-        }
-        bool (* initParam)();
-        initParam = (bool (*)())dlsym(handle, "InitEnvironmentParam");
-        if (initParam == NULL) {
-            INIT_LOGE("Failed to dlsym InitEnvironmentParam, %s\n", dlerror());
-            return;
-        }
-        (*initParam)(ctx->argv[0]);
+        do {
+            if (access("/system/lib/libhidebug.so", F_OK) != 0) {
+                INIT_LOGE("access failed, errno = %d\n", errno);
+                break;
+            }
+            void* handle = dlopen("/system/lib/libhidebug.so", RTLD_LAZY);
+            if (handle == NULL) {
+                INIT_LOGE("Failed to dlopen libhidebug.so, %s\n", dlerror());
+                break;
+            }
+            bool (* initParam)();
+            initParam = (bool (*)())dlsym(handle, "InitEnvironmentParam");
+            if (initParam == NULL) {
+                INIT_LOGE("Failed to dlsym InitEnvironmentParam, %s\n", dlerror());
+                dlclose(handle);
+                break;
+            }
+            bool ret = (*initParam)(ctx->argv[0]);
+            if (!ret) {
+                INIT_LOGE("init parameters failed.\n");
+            }
+            dlclose(handle);
+        } while (0);
 #endif
         int ret = execv(ctx->argv[0], ctx->argv);
         if (ret == -1) {
diff --git a/services/init/standard/init_service.c b/services/init/standard/init_service.c
index cb0ca69697a6d613f8e916cdb63566eb4ffcf012..d627f4e46676f79448f7578617e493764275a7b1 100755
--- a/services/init/standard/init_service.c
+++ b/services/init/standard/init_service.c
@@ -19,6 +19,7 @@
 #include <string.h>
 #include <sys/param.h>
 #include <sys/resource.h>
+#include <unistd.h>
 
 #include "init_group_manager.h"
 #include "init.h"
@@ -87,18 +88,29 @@ int ServiceExec(const Service *service)
     }
     INIT_CHECK_ONLY_ELOG(unsetenv("UV_THREADPOOL_SIZE") == 0, "set UV_THREADPOOL_SIZE error : %d.", errno);
 #ifdef SUPPORT_PROFILER_HIDEBUG
-    void* handle = dlopen("/system/lib/libhidebug.so", RTLD_LAZY);
-    if (handle == NULL) {
-        INIT_LOGE("Failed to dlopen libhidebug.so, %s\n", dlerror());
-        return SERVICE_FAILURE;
-    }
-    bool (* initParam)();
-    initParam = (bool (*)())dlsym(handle, "InitEnvironmentParam");
-    if (initParam == NULL) {
-        INIT_LOGE("Failed to dlsym InitEnvironmentParam, %s\n", dlerror());
-        return SERVICE_FAILURE;
-    }
-    (*initParam)(service->name);
+    do {
+        if (access("/system/lib/libhidebug.so", F_OK) != 0) {
+            INIT_LOGE("access failed, errno = %d\n", errno);
+            break;
+        }
+        void* handle = dlopen("/system/lib/libhidebug.so", RTLD_LAZY);
+        if (handle == NULL) {
+            INIT_LOGE("Failed to dlopen libhidebug.so, %s\n", dlerror());
+            break;
+        }
+        bool (* initParam)();
+        initParam = (bool (*)())dlsym(handle, "InitEnvironmentParam");
+        if (initParam == NULL) {
+            INIT_LOGE("Failed to dlsym InitEnvironmentParam, %s\n", dlerror());
+            dlclose(handle);
+            break;
+        }
+        bool ret = (*initParam)(service->name);
+        if (!ret) {
+            INIT_LOGE("init parameters failed.\n");
+        }
+        dlclose(handle);
+    } while (0);
 #endif
     // L2 Can not be reset env
     if (service->extraArgs.argv != NULL && service->extraArgs.count > 0) {
diff --git a/services/param/watcher/agent/watcher_manager_proxy.cpp b/services/param/watcher/agent/watcher_manager_proxy.cpp
index 7e46b67310d99eba318e8390b8d069d29449f610..701dfcbb9f772aa8b98ab1569fac2419b0bab358 100755
--- a/services/param/watcher/agent/watcher_manager_proxy.cpp
+++ b/services/param/watcher/agent/watcher_manager_proxy.cpp
@@ -25,6 +25,7 @@ uint32_t WatcherManagerProxy::AddWatcher(const std::string &keyPrefix, const spt
     WATCHER_CHECK(remote != nullptr, return 0, "Can not get remote");
 
     MessageParcel data;
+    data.WriteInterfaceToken(WatcherManagerProxy::GetDescriptor());
     data.WriteString(keyPrefix);
     bool ret = data.WriteRemoteObject(watcher->AsObject());
     WATCHER_CHECK(ret, return 0, "Can not get remote");
@@ -42,6 +43,7 @@ int32_t WatcherManagerProxy::DelWatcher(const std::string &keyPrefix, uint32_t w
     WATCHER_CHECK(remote != nullptr, return ERR_FLATTEN_OBJECT, "Can not get remote");
 
     MessageParcel data;
+    data.WriteInterfaceToken(WatcherManagerProxy::GetDescriptor());
     data.WriteString(keyPrefix);
     data.WriteUint32(watcherId);
     MessageParcel reply;
diff --git a/services/param/watcher/agent/watcher_stub.cpp b/services/param/watcher/agent/watcher_stub.cpp
index 3bc29a0251d719cae9c8db51457de2c4f790252a..c3cc3da2829054f8e046295ba6fcbab0e71ab1ca 100755
--- a/services/param/watcher/agent/watcher_stub.cpp
+++ b/services/param/watcher/agent/watcher_stub.cpp
@@ -22,6 +22,10 @@ namespace OHOS {
 namespace init_param {
 int32_t WatcherStub::OnRemoteRequest(uint32_t code, MessageParcel &data, MessageParcel &reply, MessageOption &option)
 {
+    std::u16string myDescripter = IWatcher::GetDescriptor();
+    std::u16string remoteDescripter = data.ReadInterfaceToken();
+    WATCHER_CHECK(myDescripter == remoteDescripter, return -1, "Invalid remoteDescripter");
+
     switch (code) {
         case PARAM_CHANGE: {
             std::string name = data.ReadString();
diff --git a/services/param/watcher/proxy/watcher_manager_stub.cpp b/services/param/watcher/proxy/watcher_manager_stub.cpp
index 6c1ecfe1e3074bac3f9f6c3c1a16e8751ca799cf..daf93a69f5840bdf5d816c97542c94e46f315d0e 100755
--- a/services/param/watcher/proxy/watcher_manager_stub.cpp
+++ b/services/param/watcher/proxy/watcher_manager_stub.cpp
@@ -21,6 +21,10 @@ namespace init_param {
 int32_t WatcherManagerStub::OnRemoteRequest(uint32_t code,
     MessageParcel &data, MessageParcel &reply, MessageOption &option)
 {
+    std::u16string myDescripter = IWatcherManager::GetDescriptor();
+    std::u16string remoteDescripter = data.ReadInterfaceToken();
+    WATCHER_CHECK(myDescripter == remoteDescripter, return -1, "Invalid remoteDescripter");
+
     switch (code) {
         case ADD_WATCHER: {
             std::string key = data.ReadString();
diff --git a/services/param/watcher/proxy/watcher_proxy.cpp b/services/param/watcher/proxy/watcher_proxy.cpp
index e01d279a49b7bed5c544a41f0a0a024d1e7c9997..ae2fe81eb81beb926551c3b0b882e101eeb13e23 100755
--- a/services/param/watcher/proxy/watcher_proxy.cpp
+++ b/services/param/watcher/proxy/watcher_proxy.cpp
@@ -32,6 +32,7 @@ void WatcherProxy::OnParamerterChange(const std::string &name, const std::string
     auto remote = Remote();
     WATCHER_CHECK(remote != nullptr, return, "Can not get remote");
 
+    data.WriteInterfaceToken(WatcherProxy::GetDescriptor());
     data.WriteString(name);
     data.WriteString(value);
     int ret = remote->SendRequest(PARAM_CHANGE, data, reply, option);