diff --git a/dolphinscheduler-ui-next/src/utils/regex.ts b/dolphinscheduler-ui-next/src/utils/regex.ts
index 0a0de4f069..eb0ff18338 100644
--- a/dolphinscheduler-ui-next/src/utils/regex.ts
+++ b/dolphinscheduler-ui-next/src/utils/regex.ts
@@ -21,4 +21,6 @@ const regex = {
   password: /^(?![0-9]+$)(?![a-zA-Z]+$)[0-9A-Za-z]{6,20}$/
 }
 
+export const positiveIntegerRegex = /^\+?[0-9]*$/
+
 export default regex
diff --git a/dolphinscheduler-ui-next/src/views/projects/workflow/components/dag/dag-save-modal.tsx b/dolphinscheduler-ui-next/src/views/projects/workflow/components/dag/dag-save-modal.tsx
index 8962fcc281..8c83650960 100644
--- a/dolphinscheduler-ui-next/src/views/projects/workflow/components/dag/dag-save-modal.tsx
+++ b/dolphinscheduler-ui-next/src/views/projects/workflow/components/dag/dag-save-modal.tsx
@@ -33,6 +33,7 @@ import { SaveForm, WorkflowDefinition } from './types'
 import { useRoute } from 'vue-router'
 import { verifyName } from '@/service/modules/process-definition'
 import './x6-style.scss'
+import { positiveIntegerRegex } from '@/utils/regex'
 
 const props = {
   visible: {
@@ -95,7 +96,10 @@ export default defineComponent({
       },
       timeout: {
         validator() {
-          if (formValue.value.timeoutFlag && formValue.value.timeout <= 0) {
+          if (
+            formValue.value.timeoutFlag &&
+            !positiveIntegerRegex.test(String(formValue.value.timeout))
+          ) {
             return new Error(t('project.dag.positive_integer'))
           }
         }