diff --git a/packages/service/core/workflow/dispatch/abandoned/runLoop.ts b/packages/service/core/workflow/dispatch/abandoned/runLoop.ts
index b509c6a9d0..d5b24c1a08 100644
--- a/packages/service/core/workflow/dispatch/abandoned/runLoop.ts
+++ b/packages/service/core/workflow/dispatch/abandoned/runLoop.ts
@@ -32,6 +32,7 @@ export const dispatchLoop = async (props: Props): Promise<Response> => {
     runtimeEdges,
     lastInteractive,
     runtimeNodes,
+    checkIsStopping,
     node: { name }
   } = props;
   const { loopInputArray = [], childrenNodeIdList = [] } = params;
@@ -60,6 +61,9 @@ export const dispatchLoop = async (props: Props): Promise<Response> => {
   let index = 0;
 
   for await (const item of loopInputArray) {
+    if (checkIsStopping()) {
+      break;
+    }
     // Skip already looped
     if (lastIndex && index < lastIndex) {
       index++;
diff --git a/packages/service/core/workflow/dispatch/loopRun/runLoopRun.ts b/packages/service/core/workflow/dispatch/loopRun/runLoopRun.ts
index 0700db797e..a2db111597 100644
--- a/packages/service/core/workflow/dispatch/loopRun/runLoopRun.ts
+++ b/packages/service/core/workflow/dispatch/loopRun/runLoopRun.ts
@@ -41,7 +41,7 @@ type Props = ModuleDispatchProps<{
 type Response = DispatchNodeResultType<Record<string, any>>;
 
 export const dispatchLoopRun = async (props: Props): Promise<Response> => {
-  const { params, runtimeNodes, runtimeEdges, node, lastInteractive } = props;
+  const { params, runtimeNodes, runtimeEdges, node, lastInteractive, checkIsStopping } = props;
   const { name } = node;
   const mode = params[NodeInputKeyEnum.loopRunMode] ?? LoopRunModeEnum.array;
   const childrenNodeIdList = params[NodeInputKeyEnum.childrenNodeIdList] ?? [];
@@ -120,6 +120,9 @@ export const dispatchLoopRun = async (props: Props): Promise<Response> => {
   let maxIterationsExceeded = false;
 
   while (true) {
+    if (checkIsStopping()) {
+      break;
+    }
     // Check exhaustion before maxLength so `inputArray.length === maxLength` runs cleanly.
     const arrayItem = (() => {
       if (mode !== LoopRunModeEnum.array) {
diff --git a/packages/service/core/workflow/dispatch/parallelRun/runParallelRun.ts b/packages/service/core/workflow/dispatch/parallelRun/runParallelRun.ts
index 6585a9b137..0e6f72b8a5 100644
--- a/packages/service/core/workflow/dispatch/parallelRun/runParallelRun.ts
+++ b/packages/service/core/workflow/dispatch/parallelRun/runParallelRun.ts
@@ -35,7 +35,7 @@ type Response = DispatchNodeResultType<{
 }>;
 
 export const dispatchParallelRun = async (props: Props): Promise<Response> => {
-  const { params, runtimeNodes, runtimeEdges, node } = props;
+  const { params, runtimeNodes, runtimeEdges, node, checkIsStopping } = props;
   const { name } = node;
   const {
     loopInputArray = [],
@@ -70,6 +70,9 @@ export const dispatchParallelRun = async (props: Props): Promise<Response> => {
       let accumulatedPoints = 0;
 
       for (let attempt = 0; attempt < maxRetryAttempts + 1; attempt++) {
+        if (checkIsStopping()) {
+          return;
+        }
         const { taskRuntimeNodes, taskRuntimeEdges } = buildTaskRuntimeContext({
           runtimeNodes,
           runtimeEdges,
@@ -108,7 +111,7 @@ export const dispatchParallelRun = async (props: Props): Promise<Response> => {
         // taskRuntimeNodes / taskRuntimeEdges go out of scope → GC
       }
 
-      return lastResult!;
+      return lastResult;
     },
     concurrency
   );
@@ -122,10 +125,13 @@ export const dispatchParallelRun = async (props: Props): Promise<Response> => {
     responseDetails,
     assistantResponses,
     customFeedbacks
-  } = aggregateParallelResults(taskResults, {
-    taskInputs: loopInputArray,
-    parentNodeId: node.nodeId
-  });
+  } = aggregateParallelResults(
+    taskResults.filter((item) => item !== undefined),
+    {
+      taskInputs: loopInputArray,
+      parentNodeId: node.nodeId
+    }
+  );
 
   return {
     data: {
diff --git a/test/cases/service/core/workflow/dispatch/loopRun/runLoopRun.test.ts b/test/cases/service/core/workflow/dispatch/loopRun/runLoopRun.test.ts
index 3a7d29f37a..6b67a39120 100644
--- a/test/cases/service/core/workflow/dispatch/loopRun/runLoopRun.test.ts
+++ b/test/cases/service/core/workflow/dispatch/loopRun/runLoopRun.test.ts
@@ -171,7 +171,8 @@ const makeProps = (
     runtimeEdges: [],
     variables: {},
     usagePush: vi.fn(),
-    lastInteractive: undefined
+    lastInteractive: undefined,
+    checkIsStopping: () => false
   } as any;
 };
 
@@ -216,7 +217,8 @@ describe('runLoopRun (integration with mocked runWorkflow)', () => {
       runtimeEdges: [],
       variables: {},
       usagePush: vi.fn(),
-      lastInteractive: undefined
+      lastInteractive: undefined,
+      checkIsStopping: () => false
     } as any;
 
     const result: any = await dispatchLoopRun(props);
@@ -268,7 +270,8 @@ describe('runLoopRun (integration with mocked runWorkflow)', () => {
       runtimeEdges: [],
       variables: {},
       usagePush: vi.fn(),
-      lastInteractive: undefined
+      lastInteractive: undefined,
+      checkIsStopping: () => false
     } as any;
 
     const result: any = await dispatchLoopRun(props);
@@ -482,7 +485,8 @@ describe('runLoopRun (integration with mocked runWorkflow)', () => {
           iteration: 2,
           childrenResponse: { entryNodeIds: ['userSelectNode'] }
         }
-      }
+      },
+      checkIsStopping: () => false
     } as any;
 
     const result: any = await dispatchLoopRun(props);
@@ -533,7 +537,8 @@ describe('runLoopRun (integration with mocked runWorkflow)', () => {
           iteration: 2,
           childrenResponse: interactivePayload
         }
-      }
+      },
+      checkIsStopping: () => false
     } as any;
 
     await dispatchLoopRun(props);
@@ -611,7 +616,8 @@ describe('runLoopRun (integration with mocked runWorkflow)', () => {
       runtimeEdges: [],
       variables: {},
       usagePush: vi.fn(),
-      lastInteractive: undefined
+      lastInteractive: undefined,
+      checkIsStopping: () => false
     } as any;
 
     const result: any = await dispatchLoopRun(props);
@@ -781,6 +787,7 @@ describe('runLoopRun (integration with mocked runWorkflow)', () => {
       runtimeEdges: [],
       variables: {},
       usagePush: vi.fn(),
+      checkIsStopping: () => false,
       lastInteractive: {
         type: 'loopRunInteractive',
         params: {