diff --git a/dolphinscheduler-ui/src/js/conf/home/pages/dag/_source/formModel/_source/selectInput.vue b/dolphinscheduler-ui/src/js/conf/home/pages/dag/_source/formModel/_source/selectInput.vue
index 160db6e320..ae8d18ec43 100644
--- a/dolphinscheduler-ui/src/js/conf/home/pages/dag/_source/formModel/_source/selectInput.vue
+++ b/dolphinscheduler-ui/src/js/conf/home/pages/dag/_source/formModel/_source/selectInput.vue
@@ -20,7 +20,9 @@
           :disabled="isDetails"
           size="small"
           @change="_onChange"
-          v-model="selectedValue">
+          v-model="selectedValue"
+          filterable
+          allow-create>
       <el-input
               ref="input"
               slot="trigger"