diff --git a/lib/core/searcher.js b/lib/core/searcher.js
index 578cf7f..4155010 100644
--- a/lib/core/searcher.js
+++ b/lib/core/searcher.js
@@ -59,7 +59,6 @@ const { log } = utils
  * @return {UsefulDynamicInfo}
  */
 function parseDynamicCard(ditem) {
-    const { strToJson } = utils;
     /**临时储存单个动态中的信息 */
     let obj = {};
     try {