diff --git a/packages/uni-components/lib/unicloud-db/unicloud-db.vue b/packages/uni-components/lib/unicloud-db/unicloud-db.vue
index ed9eb9c583f82616847b42f24fa76b627dc3828a..801d7bc45d07f6dad1a36c9471d5ddae3673d10d 100644
--- a/packages/uni-components/lib/unicloud-db/unicloud-db.vue
+++ b/packages/uni-components/lib/unicloud-db/unicloud-db.vue
@@ -319,7 +319,7 @@ export default {
         db = db.action(action)
       }
 
-      db.collection(this.collection).add(value).then((res) => {
+      db.collection(this._getCollection()).add(value).then((res) => {
         success && success(res)
         if (showToast) {
           uni.showToast({