diff --git a/pom.xml b/pom.xml
index 8edbd3b..c418103 100644
--- a/pom.xml
+++ b/pom.xml
@@ -88,19 +88,19 @@
         <dependency>
             <groupId>com.github.pagehelper</groupId>
             <artifactId>pagehelper</artifactId>
-            <version>5.1.10</version>
+            <version>5.2.0</version>
         </dependency>
         <!-- fastjson -->
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.67</version>
+            <version>1.2.76</version>
         </dependency>
         <!-- shiro权限控制框架 -->
         <dependency>
             <groupId>org.apache.shiro</groupId>
             <artifactId>shiro-spring</artifactId>
-            <version>1.4.1</version>
+            <version>1.7.1</version>
         </dependency>
         <!-- shiro-redis -->
         <dependency>
diff --git a/src/main/java/com/rymcu/forest/answer/AnswerController.java b/src/main/java/com/rymcu/forest/answer/AnswerController.java
index 605e189..92df131 100644
--- a/src/main/java/com/rymcu/forest/answer/AnswerController.java
+++ b/src/main/java/com/rymcu/forest/answer/AnswerController.java
@@ -2,7 +2,6 @@ package com.rymcu.forest.answer;
 
 import com.alibaba.fastjson.JSONObject;
 import com.rymcu.forest.core.result.GlobalResult;
-import com.rymcu.forest.core.result.GlobalResultGenerator;
 import com.rymcu.forest.core.service.log.annotation.TransactionLogger;
 import com.rymcu.forest.dto.AnswerDTO;
 import com.rymcu.forest.entity.User;