diff --git a/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/framework/base/BasicBotCode.java b/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/framework/base/BasicBotCode.java
index e578b1a..aecec78 100644
--- a/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/framework/base/BasicBotCode.java
+++ b/ContentGrabbingJi-core/src/main/java/net/lamgc/cgj/bot/framework/base/BasicBotCode.java
@@ -66,7 +66,7 @@ public class BasicBotCode extends AbstractBotCode {
                     throw new IllegalStateException(e);
                 }
             }
-            return builder.deleteCharAt(builder.lastIndexOf("&")).toString();
+            return builder.deleteCharAt(builder.lastIndexOf("&")).append(']').toString();
         }
     }