diff --git a/frontend/src/views/system/datasource/DsForm.vue b/frontend/src/views/system/datasource/DsForm.vue
index d8227cf5bb..ff73aeeccf 100644
--- a/frontend/src/views/system/datasource/DsForm.vue
+++ b/frontend/src/views/system/datasource/DsForm.vue
@@ -385,8 +385,8 @@ export default {
         desc: [
           {
             min: 0,
-            max: 200,
-            message: i18n.t('datasource.input_limit', { num: '0~200' }),
+            max: 50,
+            message: i18n.t('datasource.input_limit', { num: '0~50' }),
             trigger: 'blur'
           }
         ],