diff --git a/src/modules/pages/connection/list/list_item/list_item.ts b/src/modules/pages/connection/list/list_item/list_item.ts
index e61114c..6723947 100644
--- a/src/modules/pages/connection/list/list_item/list_item.ts
+++ b/src/modules/pages/connection/list/list_item/list_item.ts
@@ -222,8 +222,8 @@ export class ListItem extends BI.BasicButton {
 
     private testConnectionAction() {
         // 接口返回的内容是对称加密的，前端要先解密再用新加密传回去
-        const connection = this.model.connections
-            .find(item => item.connectionName === this.options.name);
+        const connection = BI.cloneDeep(this.model.connections
+            .find(item => item.connectionName === this.options.name));
 
         if (BI.isNull(connection)) return;