diff --git a/packages/global/core/workflow/runtime/type.d.ts b/packages/global/core/workflow/runtime/type.d.ts
index f5db3a89cb..2ab34bfbe5 100644
--- a/packages/global/core/workflow/runtime/type.d.ts
+++ b/packages/global/core/workflow/runtime/type.d.ts
@@ -40,6 +40,7 @@ export type ChatDispatchProps = {
     id: string; // May be the id of the system plug-in (cannot be used directly to look up the table)
     teamId: string;
     tmbId: string; // App tmbId
+    isChildApp?: boolean;
   };
   runningUserInfo: {
     teamId: string;
diff --git a/packages/service/core/workflow/dispatch/plugin/run.ts b/packages/service/core/workflow/dispatch/plugin/run.ts
index b509952007..c5a37e3a43 100644
--- a/packages/service/core/workflow/dispatch/plugin/run.ts
+++ b/packages/service/core/workflow/dispatch/plugin/run.ts
@@ -90,7 +90,8 @@ export const dispatchRunPlugin = async (props: RunPluginProps): Promise<RunPlugi
       id: String(plugin.id),
       // 如果系统插件有 teamId 和 tmbId，则使用系统插件的 teamId 和 tmbId（管理员指定了插件作为系统插件）
       teamId: plugin.teamId || runningAppInfo.teamId,
-      tmbId: plugin.tmbId || runningAppInfo.tmbId
+      tmbId: plugin.tmbId || runningAppInfo.tmbId,
+      isChildApp: true
     },
     variables: runtimeVariables,
     query: getPluginRunUserQuery({
diff --git a/packages/service/core/workflow/dispatch/plugin/runApp.ts b/packages/service/core/workflow/dispatch/plugin/runApp.ts
index 21a21fb0ba..5fc95a1c5a 100644
--- a/packages/service/core/workflow/dispatch/plugin/runApp.ts
+++ b/packages/service/core/workflow/dispatch/plugin/runApp.ts
@@ -112,7 +112,8 @@ export const dispatchRunAppNode = async (props: Props): Promise<Response> => {
     runningAppInfo: {
       id: String(appData._id),
       teamId: String(appData.teamId),
-      tmbId: String(appData.tmbId)
+      tmbId: String(appData.tmbId),
+      isChildApp: true
     },
     runtimeNodes: storeNodes2RuntimeNodes(nodes, getWorkflowEntryNodeIds(nodes)),
     runtimeEdges: initWorkflowEdgeStatus(edges),
diff --git a/packages/service/core/workflow/dispatch/tools/runUpdateVar.ts b/packages/service/core/workflow/dispatch/tools/runUpdateVar.ts
index d0f0d64f41..00daeab1f1 100644
--- a/packages/service/core/workflow/dispatch/tools/runUpdateVar.ts
+++ b/packages/service/core/workflow/dispatch/tools/runUpdateVar.ts
@@ -19,7 +19,14 @@ type Props = ModuleDispatchProps<{
 type Response = DispatchNodeResultType<{}>;
 
 export const dispatchUpdateVariable = async (props: Props): Promise<Response> => {
-  const { params, variables, runtimeNodes, workflowStreamResponse, externalProvider } = props;
+  const {
+    params,
+    variables,
+    runtimeNodes,
+    workflowStreamResponse,
+    externalProvider,
+    runningAppInfo
+  } = props;
 
   const { updateList } = params;
   const nodeIds = runtimeNodes.map((node) => node.nodeId);
@@ -78,10 +85,12 @@ export const dispatchUpdateVariable = async (props: Props): Promise<Response> =>
     return value;
   });
 
-  workflowStreamResponse?.({
-    event: SseResponseEventEnum.updateVariables,
-    data: removeSystemVariable(variables, externalProvider.externalWorkflowVariables)
-  });
+  if (!runningAppInfo.isChildApp) {
+    workflowStreamResponse?.({
+      event: SseResponseEventEnum.updateVariables,
+      data: removeSystemVariable(variables, externalProvider.externalWorkflowVariables)
+    });
+  }
 
   return {
     [DispatchNodeResponseKeyEnum.newVariables]: variables,
diff --git a/projects/app/src/pageComponents/app/detail/WorkflowComponents/Flow/ChatTest.tsx b/projects/app/src/pageComponents/app/detail/WorkflowComponents/Flow/ChatTest.tsx
index 9f54347db8..8ec2b2f864 100644
--- a/projects/app/src/pageComponents/app/detail/WorkflowComponents/Flow/ChatTest.tsx
+++ b/projects/app/src/pageComponents/app/detail/WorkflowComponents/Flow/ChatTest.tsx
@@ -65,7 +65,7 @@ const ChatTest = ({ isOpen, nodes = [], edges = [], onClose }: Props) => {
         }}
       />
       <MyBox
-        isLoading={loading}
+        isLoading={isPlugin && loading}
         zIndex={300}
         display={'flex'}
         flexDirection={'column'}