diff --git a/frameworks/native/ability/native/child_process_manager/child_process_manager.cpp b/frameworks/native/ability/native/child_process_manager/child_process_manager.cpp
index bb898de0a5a250a7dde3807b95162eaa1c040e87..aee877affe86a1132f1997aee431bbb34b7f5696 100644
--- a/frameworks/native/ability/native/child_process_manager/child_process_manager.cpp
+++ b/frameworks/native/ability/native/child_process_manager/child_process_manager.cpp
@@ -157,11 +157,19 @@ ChildProcessManagerErrorCode ChildProcessManager::StartChildProcessWithArgs(
     TAG_LOGD(AAFwkTag::PROCESSMGR, "AppMgr StartChildProcess ret:%{public}d", ret);
     if (ret != ERR_OK) {
         TAG_LOGE(AAFwkTag::PROCESSMGR, "StartChildProcess error:%{public}d", ret);
-        return ChildProcessManagerErrorUtil::GetChildProcessManagerErrorCode(ret);
+        return GetErrorCodeCompat(ret, childProcessType);
     }
     return ChildProcessManagerErrorCode::ERR_OK;
 }
 
+ChildProcessManagerErrorCode ChildProcessManager::GetErrorCodeCompat(int32_t ret, int32_t childProcessType)
+{
+    if (ret == AAFwk::ERR_NOT_SUPPORT_CHILD_PROCESS && childProcessType == AppExecFwk::CHILD_PROCESS_TYPE_JS) {
+        return ChildProcessManagerErrorCode::ERR_MULTI_PROCESS_MODEL_DISABLED;
+    }
+    return ChildProcessManagerErrorUtil::GetChildProcessManagerErrorCode(ret);
+}
+
 ChildProcessManagerErrorCode ChildProcessManager::StartNativeChildProcessByAppSpawnFork(
     const std::string &libName, const sptr<IRemoteObject> &callbackStub, const std::string &customProcessName)
 {
diff --git a/interfaces/inner_api/child_process_manager/include/child_process_manager.h b/interfaces/inner_api/child_process_manager/include/child_process_manager.h
index e9b5404d4281c3b5d0320b55c9e3606073294aa6..83392272fd8ae0bac81a1a7b0d05969cdd942e23 100644
--- a/interfaces/inner_api/child_process_manager/include/child_process_manager.h
+++ b/interfaces/inner_api/child_process_manager/include/child_process_manager.h
@@ -79,6 +79,7 @@ private:
     sptr<AppExecFwk::IAppMgr> GetAppMgr();
     void MakeProcessName(const std::string &srcEntry);
     bool IsMultiProcessFeatureApp(const AppExecFwk::BundleInfo &bundleInfo);
+    ChildProcessManagerErrorCode GetErrorCodeCompat(int32_t ret, int32_t childProcessType);
 
     static bool signalRegistered_;
     bool isChildProcessBySelfFork_ = false;
diff --git a/test/unittest/child_process_manager_test/child_process_manager_test.cpp b/test/unittest/child_process_manager_test/child_process_manager_test.cpp
index bf991d9e4dc492e7545d3c9e99561b341dc00b18..5074571ef431e86cb5a1b1f29b1be27dae8b2b0c 100644
--- a/test/unittest/child_process_manager_test/child_process_manager_test.cpp
+++ b/test/unittest/child_process_manager_test/child_process_manager_test.cpp
@@ -529,5 +529,39 @@ HWTEST_F(ChildProcessManagerTest, IsMultiProcessFeatureApp_0400, TestSize.Level2
     bool ret = ChildProcessManager::GetInstance().IsMultiProcessFeatureApp(bundleInfo);
     EXPECT_TRUE(ret);
 }
+
+/**
+ * @tc.number: GetErrorCodeCompat
+ * @tc.desc: Test GetErrorCodeCompat works.
+ * @tc.type: FUNC
+ */
+HWTEST_F(ChildProcessManagerTest, GetErrorCodeCompat_0100, TestSize.Level2)
+{
+    TAG_LOGI(AAFwkTag::TEST, "GetErrorCodeCompat_0100 start.");
+
+    auto &childProcessManager = ChildProcessManager::GetInstance();
+    
+    auto ret = AAFwk::ERR_NOT_SUPPORT_CHILD_PROCESS;
+    auto childProcessType = AppExecFwk::CHILD_PROCESS_TYPE_JS;
+    auto errCode = childProcessManager.GetErrorCodeCompat(ret, childProcessType);
+    EXPECT_EQ(errCode, ChildProcessManagerErrorCode::ERR_MULTI_PROCESS_MODEL_DISABLED);
+
+    ret = AAFwk::ERR_NOT_SUPPORT_CHILD_PROCESS;
+    childProcessType = AppExecFwk::CHILD_PROCESS_TYPE_ARK;
+    errCode = childProcessManager.GetErrorCodeCompat(ret, childProcessType);
+    EXPECT_NE(errCode, ChildProcessManagerErrorCode::ERR_MULTI_PROCESS_MODEL_DISABLED);
+    
+    ret = AAFwk::INNER_ERR;
+    childProcessType = AppExecFwk::CHILD_PROCESS_TYPE_JS;
+    errCode = childProcessManager.GetErrorCodeCompat(ret, childProcessType);
+    EXPECT_NE(errCode, ChildProcessManagerErrorCode::ERR_MULTI_PROCESS_MODEL_DISABLED);
+
+    ret = AAFwk::INNER_ERR;
+    childProcessType = AppExecFwk::CHILD_PROCESS_TYPE_ARK;
+    errCode = childProcessManager.GetErrorCodeCompat(ret, childProcessType);
+    EXPECT_NE(errCode, ChildProcessManagerErrorCode::ERR_MULTI_PROCESS_MODEL_DISABLED);
+
+    TAG_LOGI(AAFwkTag::TEST, "GetErrorCodeCompat_0100 end.");
+}
 }  // namespace AbilityRuntime
 }  // namespace OHOS
\ No newline at end of file