diff --git a/cj_environment/frameworks/cj_environment/src/cj_environment.cpp b/cj_environment/frameworks/cj_environment/src/cj_environment.cpp
index d55b1151499fa4888d229866c52308ec2cf804d0..9c724d48cb385f3481b72cb7aa3145a60f45504c 100644
--- a/cj_environment/frameworks/cj_environment/src/cj_environment.cpp
+++ b/cj_environment/frameworks/cj_environment/src/cj_environment.cpp
@@ -43,9 +43,8 @@
 
 namespace {
 const std::string SANDBOX_LIB_PATH = "/data/storage/el1/bundle/libs/" APP_LIB_NAME;
-const std::string CJ_RT_PATH = SANDBOX_LIB_PATH + "/runtime";
-const std::string CJ_LIB_PATH = SANDBOX_LIB_PATH + "/ohos";
-const std::string CJ_SYSLIB_PATH = "/system/lib64:/system/lib64/platformsdk";
+const std::string CJ_COMPATIBILITY_PATH = SANDBOX_LIB_PATH + "/runtime";
+const std::string CJ_MOCK_PATH = SANDBOX_LIB_PATH + "/ohos";
 const std::string CJ_CHIPSDK_PATH = "/system/lib64/chipset-pub-sdk:/system/lib64/chipset-sdk";
 const std::string CJ_SDK_PATH = "/system/lib64/platformsdk/cjsdk";
 const std::string CJ_RUNTIME_PATH = "/system/lib64/platformsdk/cjsdk/runtime";
@@ -237,6 +236,7 @@ const char *CJEnvironment::cjRomSDKNSName = "cj_rom_sdk";
 const char *CJEnvironment::cjSysNSName = "default";
 const char *CJEnvironment::cjCompatibilitySDKNSName = "cj_compatibility_sdk";
 const char *CJEnvironment::cjRuntimeNSName = "cj_runtime";
+const char *CJEnvironment::cjMockNSName = "cj_mock_sdk";
 std::string CJEnvironment::appVersion = "5.1.0.0";
 const uint32_t CJEnvironment::majorVersion = 5;
 const uint32_t CJEnvironment::minorVersion = 1;
@@ -338,14 +338,8 @@ bool CJEnvironment::RegisterCangjieCallback()
 
 void* CJEnvironment::LoadRuntimeLib(const char* runtimeLibName) {
     Dl_namespace compatibilitySDK;
-    Dl_namespace romSDK;
     dlns_get(cjCompatibilitySDKNSName, &compatibilitySDK);
-    dlns_get(cjRomSDKNSName, &romSDK);
     auto dso = DynamicLoadLibrary(&compatibilitySDK, runtimeLibName, 1);
-    if (!dso) {
-        LOGI("Try to load %{public}s in rom.", runtimeLibName);
-        dso = DynamicLoadLibrary(&romSDK, runtimeLibName, 1);
-    }
     return dso;
 }
 
@@ -544,6 +538,7 @@ void CJEnvironment::InitCJAppNS(const std::string& path)
     Dl_namespace ns;
     DynamicInitNamespace(&ns, path.c_str(), CJEnvironment::cjAppNSName);
     DynamicInherit(&ns, CJEnvironment::cjCompatibilitySDKNSName, "allow_all_shared_libs");
+    DynamicInherit(&ns, CJEnvironment::cjMockNSName, "allow_all_shared_libs");
     DynamicInherit(&ns, CJEnvironment::cjRomSDKNSName, "allow_all_shared_libs");
     DynamicInherit(&ns, CJEnvironment::cjRuntimeNSName, "allow_all_shared_libs");
     if (nsMode_ == NSMode::APP) {
@@ -568,8 +563,11 @@ void CJEnvironment::InitCJCompatibilitySDKNS(const std::string& path)
     LOGI("InitCJCompatibilitySDKNS: %{public}s", path.c_str());
     Dl_namespace ns;
     DynamicInitNamespace(&ns, path.c_str(), CJEnvironment::cjCompatibilitySDKNSName);
+    DynamicInherit(&ns, CJEnvironment::cjMockNSName, "allow_all_shared_libs");
     DynamicInherit(&ns, CJEnvironment::cjRomSDKNSName, "allow_all_shared_libs");
     DynamicInherit(&ns, CJEnvironment::cjRuntimeNSName, "allow_all_shared_libs");
+    DynamicInheritByName(CJEnvironment::cjMockNSName,
+                         CJEnvironment::cjCompatibilitySDKNSName, "allow_all_shared_libs");
 #endif
 }
 
@@ -582,6 +580,15 @@ void CJEnvironment::InitCJRuntimeNS(const std::string& path)
 #endif
 }
 
+void CJEnvironment::InitCJMockNS(const std::string& path)
+{
+#ifdef __OHOS__
+    LOGI("InitCJMockNS: %{public}s", path.c_str());
+    Dl_namespace ns;
+    DynamicInitNamespace(&ns, path.c_str(), CJEnvironment::cjMockNSName);
+#endif
+}
+
 void CJEnvironment::UnLoadRuntimeApis()
 {
     if (lazyApis_ != nullptr) {
@@ -677,7 +684,6 @@ void* CJEnvironment::LoadCJLibrary(OHOS::CJEnvironment::LibraryKind kind, const
 {
 #ifdef __OHOS__
     Dl_namespace ns;
-    Dl_namespace sdk;
     switch (kind) {
         case APP:
             dlns_get(CJEnvironment::cjAppNSName, &ns);
@@ -687,14 +693,9 @@ void* CJEnvironment::LoadCJLibrary(OHOS::CJEnvironment::LibraryKind kind, const
             break;
         case SDK:
             dlns_get(CJEnvironment::cjCompatibilitySDKNSName, &ns);
-            dlns_get(CJEnvironment::cjRomSDKNSName, &sdk);
             break;
     }
     auto handle = DynamicLoadLibrary(&ns, dlName, 0);
-    if (!handle && kind == SDK) {
-        LOGI("Try to load %{public}s in rom.", dlName);
-        handle = DynamicLoadLibrary(&sdk, dlName, 0);
-    }
 #else
     auto handle = DynamicLoadLibrary(dlName, 1);
 #endif
@@ -792,8 +793,9 @@ void CJEnvironment::InitRuntimeNS()
     if (nsMode_ == NSMode::APP) {
         InitCJChipSDKNS(CJ_CHIPSDK_PATH);
     }
+    InitCJMockNS(CJ_MOCK_PATH);
     InitCJRomSDKNS(CJ_SDK_PATH);
-    InitCJCompatibilitySDKNS(CJ_RT_PATH + ":" + CJ_LIB_PATH);
+    InitCJCompatibilitySDKNS(CJ_COMPATIBILITY_PATH);
 #endif
 }
 
diff --git a/cj_environment/frameworks/cj_environment/src/dynamic_loader_ohos.cpp b/cj_environment/frameworks/cj_environment/src/dynamic_loader_ohos.cpp
index 9d48c38afc2cf8acc60a9a20731803e1333541eb..300c695dab47b9e671f9bffe96ee64f3cfdf14ff 100644
--- a/cj_environment/frameworks/cj_environment/src/dynamic_loader_ohos.cpp
+++ b/cj_environment/frameworks/cj_environment/src/dynamic_loader_ohos.cpp
@@ -215,7 +215,7 @@ void DynamicInherit(Dl_namespace* child, const char* parent, const char* shared)
     Dl_namespace parentNamespace;
     int res = dlns_get(parent, &parentNamespace);
     if (res != 0) {
-        LOGE("Fail to get ns %{public}s'.", parent);
+        LOGE("Fail to get ns %{public}s.", parent);
         return;
     }
     res = dlns_inherit(child, &parentNamespace, shared);
@@ -224,4 +224,37 @@ void DynamicInherit(Dl_namespace* child, const char* parent, const char* shared)
         return;
     }
 }
+
+void DynamicInheritByName(const char* child, const char* parent, const char* shared)
+{
+    if (child == nullptr) {
+        LOGE("child namespace is null.");
+        return;
+    }
+    if (parent == nullptr) {
+        LOGE("parent namespace name is null.");
+        return;
+    }
+    if (shared == nullptr) {
+        LOGE("shared libs is null.");
+        return;
+    }
+    Dl_namespace childNamespace;
+    Dl_namespace parentNamespace;
+    int res = dlns_get(child, &childNamespace);
+    if (res != 0) {
+        LOGE("Fail to get ns %{public}s.", child);
+        return;
+    }
+    res = dlns_get(parent, &parentNamespace);
+    if (res != 0) {
+        LOGE("Fail to get ns %{public}s.", parent);
+        return;
+    }
+    res = dlns_inherit(&childNamespace, &parentNamespace, shared);
+    if (res != 0) {
+        LOGE("ns %{public}s failed to inherit ns %{public}s.", child, parent);
+        return;
+    }
+}
 }
diff --git a/cj_environment/interfaces/inner_api/cj_environment.h b/cj_environment/interfaces/inner_api/cj_environment.h
index 205fe5634740ba86b2211f2ea75f8b16cac819b7..eb3def14f4edf23c23eaa664008265a6eb3469d8 100644
--- a/cj_environment/interfaces/inner_api/cj_environment.h
+++ b/cj_environment/interfaces/inner_api/cj_environment.h
@@ -96,6 +96,7 @@ public:
     void InitCJCompatibilitySDKNS(const std::string& path);
     void InitCJChipSDKNS(const std::string& path);
     void InitCJRuntimeNS(const std::string& path);
+    void InitCJMockNS(const std::string& path);
     void InitRuntimeNS();
     void* InitUIScheduler();
     int FiniCJRuntime();
@@ -114,6 +115,7 @@ public:
     static const char *cjSysNSName;
     static const char *cjCompatibilitySDKNSName;
     static const char *cjRuntimeNSName;
+    static const char *cjMockNSName;
     static std::string appVersion;
     static const uint32_t majorVersion;
     static const uint32_t minorVersion;
diff --git a/cj_environment/interfaces/inner_api/dynamic_loader.h b/cj_environment/interfaces/inner_api/dynamic_loader.h
index c815d6179008f13c4ec071ccc4e3bd59b34abc22..6466a6e8d11f73038f26fb17028e5d6e5883f4b5 100644
--- a/cj_environment/interfaces/inner_api/dynamic_loader.h
+++ b/cj_environment/interfaces/inner_api/dynamic_loader.h
@@ -32,6 +32,7 @@ void DynamicFreeLibrary(void* so);
 #ifdef __OHOS__
 void DynamicInitNamespace(Dl_namespace* ns, const char* entries, const char* name);
 void DynamicInherit(Dl_namespace* child, const char* parent, const char* shared);
+void DynamicInheritByName(const char* child, const char* parent, const char* shared);
 #endif
 };
 
diff --git a/cj_environment/test/unittest/cj_environment_test/cj_environment_test.cpp b/cj_environment/test/unittest/cj_environment_test/cj_environment_test.cpp
index ccc2b1914a572a79a2074d658286212960ba517d..0892ba0a82661913faa9c18d7a8843db2695858c 100644
--- a/cj_environment/test/unittest/cj_environment_test/cj_environment_test.cpp
+++ b/cj_environment/test/unittest/cj_environment_test/cj_environment_test.cpp
@@ -322,4 +322,17 @@ HWTEST_F(CjEnvironmentTest, CjEnvironmentTestInitCJNS_0100, TestSize.Level2)
     cJEnvironment.InitCJNS(appPath);
     EXPECT_EQ(CJEnvironment::GetInstance(), nullptr);
 }
+
+/**
+ * @tc.name: InitCJMockNS_0100
+ * @tc.desc: Test InitCJMockNS.
+ * @tc.type: FUNC
+ */
+HWTEST_F(CjEnvironmentTest, CjEnvironmentTestInitCJMockNS_0100, TestSize.Level2)
+{
+    CJEnvironment cJEnvironment(CJEnvironment::NSMode::APP);
+    std::string appPath = "com/ohos/unittest/test/";
+    cJEnvironment.InitCJMockNS(appPath);
+    EXPECT_EQ(CJEnvironment::GetInstance(), nullptr);
+}
 } // namespace OHOS
\ No newline at end of file
diff --git a/test/unittest/cj_environment_test/cj_environment_test.cpp b/test/unittest/cj_environment_test/cj_environment_test.cpp
index 9e08816dc5f121703faf5cccd7d733176ea91470..fb3dad689f2efeec77b09426bd7e4736f36f4fb1 100644
--- a/test/unittest/cj_environment_test/cj_environment_test.cpp
+++ b/test/unittest/cj_environment_test/cj_environment_test.cpp
@@ -296,6 +296,7 @@ HWTEST_F(CjEnvironmentTest, CjEnvironmentTestDynamicInherit_001, TestSize.Level2
     Dl_namespace ns;
     dlns_get("cj_test_namespace", &ns);
     DynamicInherit(&ns, "cj_test_namespace_2", "allow_all_shared_libs");
+    DynamicInheritByName("cj_test_namespace", "cj_test_namespace_2", "allow_all_shared_libs");
     EXPECT_EQ(CJEnvironment::GetInstance(), nullptr);
 }
 
@@ -309,6 +310,8 @@ HWTEST_F(CjEnvironmentTest, CjEnvironmentTestDynamicInherit_002, TestSize.Level2
     Dl_namespace ns;
     dlns_get("cj_test_namespace", &ns);
     DynamicInherit(&ns, "default", "allow_all_shared_libs");
+    DynamicInheritByName("cj_test_namespace", "default", "allow_all_shared_libs");
+    DynamicInheritByName("default", "cj_test_namespace", "allow_all_shared_libs");
     EXPECT_EQ(CJEnvironment::GetInstance(), nullptr);
 }
 
@@ -322,6 +325,9 @@ HWTEST_F(CjEnvironmentTest, CjEnvironmentTestDynamicInherit_003, TestSize.Level2
     Dl_namespace ns;
     dlns_get("cj_test_namespace", &ns);
     DynamicInherit(&ns, nullptr, nullptr);
+    DynamicInheritByName(nullptr, nullptr, nullptr);
+    DynamicInheritByName("cj_test_namespace", nullptr, nullptr);
+    DynamicInheritByName("cj_test_namespace", "cj_test_namespace", nullptr);
     EXPECT_EQ(CJEnvironment::GetInstance(), nullptr);
 }