diff --git a/module-examine/src/main/java/ink/wgink/module/examine/service/paper/question/impl/PaperQuestionServiceImpl.java b/module-examine/src/main/java/ink/wgink/module/examine/service/paper/question/impl/PaperQuestionServiceImpl.java
index 1d42b5ab..ec520002 100644
--- a/module-examine/src/main/java/ink/wgink/module/examine/service/paper/question/impl/PaperQuestionServiceImpl.java
+++ b/module-examine/src/main/java/ink/wgink/module/examine/service/paper/question/impl/PaperQuestionServiceImpl.java
@@ -1,6 +1,5 @@
 package ink.wgink.module.examine.service.paper.question.impl;
 
-import com.alibaba.druid.util.StringUtils;
 import com.github.pagehelper.PageHelper;
 import com.github.pagehelper.PageInfo;
 import ink.wgink.common.base.DefaultBaseService;
@@ -18,6 +17,7 @@ import ink.wgink.module.examine.service.question.IQuestionService;
 import ink.wgink.pojo.ListPage;
 import ink.wgink.pojo.result.SuccessResultList;
 import ink.wgink.util.UUIDUtil;
+import org.apache.commons.lang3.StringUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;