add

app/service/credit/blacklist.js

@@ -288,6 +288,7 @@ class BlacklistService extends Service {
      * @param {*} section 
      */
     async dealSection(section) {
+        const { ctx } = this;
         let firstLetter = section.substring(0, 1);
         if (!['(', '['].includes(firstLetter)) {
             return section;