diff --git a/data-room-ui/packages/SourceList/index.vue b/data-room-ui/packages/SourceList/index.vue
index 20f70f0d..fbd1a45c 100644
--- a/data-room-ui/packages/SourceList/index.vue
+++ b/data-room-ui/packages/SourceList/index.vue
@@ -295,6 +295,7 @@ export default {
       }
     },
     getOptions() {
+      this.options = []
       this.options.push({label: '全部', value: ''})
       this.sourceExtends.forEach((ext) => this.options.push({label: ext, value: ext}))
     },