diff --git a/dolphinscheduler-ui-next/src/service/modules/task-group/types.ts b/dolphinscheduler-ui-next/src/service/modules/task-group/types.ts
index b59b013807..1970083c47 100644
--- a/dolphinscheduler-ui-next/src/service/modules/task-group/types.ts
+++ b/dolphinscheduler-ui-next/src/service/modules/task-group/types.ts
@@ -27,7 +27,7 @@ interface TaskGroupIdReq {
 
 interface TaskGroupReq {
   name: string
-  projectCode: number
+  projectCode: string
   groupSize: string
   status: number
   description: string
diff --git a/dolphinscheduler-ui-next/src/views/resource/task-group/option/components/form-modal.tsx b/dolphinscheduler-ui-next/src/views/resource/task-group/option/components/form-modal.tsx
index 00f84de277..fe1f041c7c 100644
--- a/dolphinscheduler-ui-next/src/views/resource/task-group/option/components/form-modal.tsx
+++ b/dolphinscheduler-ui-next/src/views/resource/task-group/option/components/form-modal.tsx
@@ -82,7 +82,7 @@ const FormModal = defineComponent({
     }
 
     const onCancel = () => {
-      state.formData.projectCode = 0
+      state.formData.projectCode = ''
       state.formData.description = ''
       emit('cancel')
     }
diff --git a/dolphinscheduler-ui-next/src/views/resource/task-group/option/use-form.ts b/dolphinscheduler-ui-next/src/views/resource/task-group/option/use-form.ts
index 784665120f..abef4361a9 100644
--- a/dolphinscheduler-ui-next/src/views/resource/task-group/option/use-form.ts
+++ b/dolphinscheduler-ui-next/src/views/resource/task-group/option/use-form.ts
@@ -28,7 +28,7 @@ export function useForm() {
     formData: {
       id: 0,
       name: '',
-      projectCode: 0,
+      projectCode: '',
       groupSize: '0',
       status: 1,
       description: ''