diff --git a/ruoyi-common/pom.xml b/ruoyi-common/pom.xml
index 8f6a21449..9aae4a0b7 100644
--- a/ruoyi-common/pom.xml
+++ b/ruoyi-common/pom.xml
@@ -69,6 +69,12 @@
 		    <groupId>org.yaml</groupId>
 		    <artifactId>snakeyaml</artifactId>
 		</dependency>
+		<!-- 通用工具 -->
+		<dependency>
+			<groupId>cn.hutool</groupId>
+			<artifactId>hutool-all</artifactId>
+			<version>4.2.1</version>
+		</dependency>
 		<!-- 单表通用mapper -->
 		<dependency>
 			<groupId>tk.mybatis</groupId>
diff --git a/ruoyi-exam/src/main/java/com/ruoyi/exam/controller/ExamQuestionCategoryController.java b/ruoyi-exam/src/main/java/com/ruoyi/exam/controller/ExamQuestionCategoryController.java
index 15c66dd19..c3583384e 100644
--- a/ruoyi-exam/src/main/java/com/ruoyi/exam/controller/ExamQuestionCategoryController.java
+++ b/ruoyi-exam/src/main/java/com/ruoyi/exam/controller/ExamQuestionCategoryController.java
@@ -86,7 +86,7 @@ public class ExamQuestionCategoryController extends BaseController
 	@ResponseBody
 	public AjaxResult addSave(ExamQuestionCategory examQuestionCategory)
 	{
-		return toAjax(examQuestionCategoryService.insertExamQuestionCategory(examQuestionCategory));
+		return toAjax(examQuestionCategoryService.insert(examQuestionCategory));
 	}
 
 	/**
@@ -121,7 +121,7 @@ public class ExamQuestionCategoryController extends BaseController
 	@ResponseBody
 	public AjaxResult remove(String ids)
 	{
-		return toAjax(examQuestionCategoryService.deleteExamQuestionCategoryByIds(ids));
+		return toAjax(examQuestionCategoryService.deleteByIds(ids));
 	}
 
 }
diff --git a/ruoyi-framework/src/main/java/com/ruoyi/framework/web/base/AbstractBaseServiceImpl.java b/ruoyi-framework/src/main/java/com/ruoyi/framework/web/base/AbstractBaseServiceImpl.java
index db2572cab..f165c2178 100644
--- a/ruoyi-framework/src/main/java/com/ruoyi/framework/web/base/AbstractBaseServiceImpl.java
+++ b/ruoyi-framework/src/main/java/com/ruoyi/framework/web/base/AbstractBaseServiceImpl.java
@@ -58,14 +58,14 @@ public abstract class AbstractBaseServiceImpl<M extends MyMapper<T>, T> implemen
 
     @Override
     public int insert(T entity) {
-        EntityUtils.setCreatAndUpdatInfo(entity);
+        EntityUtils.setCreateAndUpdatInfo(entity);
         return mapper.insert(entity);
     }
 
 
     @Override
     public int insertSelective(T entity) {
-        EntityUtils.setCreatAndUpdatInfo(entity);
+        EntityUtils.setCreateAndUpdatInfo(entity);
         return  mapper.insertSelective(entity);
     }
 
diff --git a/ruoyi-framework/src/main/java/com/ruoyi/framework/web/util/EntityUtils.java b/ruoyi-framework/src/main/java/com/ruoyi/framework/web/util/EntityUtils.java
index d37f2af2d..c7c7a6479 100644
--- a/ruoyi-framework/src/main/java/com/ruoyi/framework/web/util/EntityUtils.java
+++ b/ruoyi-framework/src/main/java/com/ruoyi/framework/web/util/EntityUtils.java
@@ -1,65 +1,71 @@
 package com.ruoyi.framework.web.util;
 
+import cn.hutool.core.util.RandomUtil;
+
 import java.lang.reflect.Method;
 
 
 /**
- * 实体类相关工具类 
+ * 实体类相关工具类
  * 解决问题： 1、快速对实体的常驻字段，如：createUser、updateUser等值快速注入
- * 
+ *
  * @author Ace
  * @version 1.0
  * @date 2016年4月18日
  * @since 1.7
  */
 public class EntityUtils {
-	/**
-	 * 快速将bean的crtUser、crtHost、crtTime、updUser、updHost、updTime附上相关值
-	 * 
-	 * @param entity 实体bean 
-	 * @author 王浩彬
-	 */
-	public static <T> void setCreatAndUpdatInfo(T entity) {
-		setCreateInfo(entity);
-		setUpdatedInfo(entity);
-	}
-	
-	/**
-	 * 快速将bean的crtUser、crtHost、crtTime附上相关值
-	 * 
-	 * @param entity 实体bean
-	 * @author 王浩彬
-	 */
-	public static <T> void setCreateInfo(T entity){
-		try {
-			Method[] methods = entity.getClass().getMethods();
-			for(Method m : methods){
-				if(m.getName().equals("setCreateBy")){
-					m.invoke(entity, com.ruoyi.framework.web.util.ShiroUtils.getUserId());
-				}
-			}
-		} catch (Exception e) {
-			e.printStackTrace();
-		}
-	}
+    /**
+     * 快速将bean的crtUser、crtHost、crtTime、updUser、updHost、updTime附上相关值
+     *
+     * @param entity 实体bean
+     * @author 王浩彬
+     */
+    public static <T> void setCreateAndUpdatInfo(T entity) {
+        setCreateInfo( entity );
+        setUpdatedInfo( entity );
+    }
 
-	/**
-	 * 快速将bean的updUser、updHost、updTime附上相关值
-	 * 
-	 * @param entity 实体bean
-	 * @author 王浩彬
-	 */
-	public static <T> void setUpdatedInfo(T entity){
-		try {
-			Method[] methods = entity.getClass().getMethods();
-			for(Method m : methods){
-				if(m.getName().equals("setUpdateBy")){
-					m.invoke(entity, com.ruoyi.framework.web.util.ShiroUtils.getUserId());
-				}
-			}
-		} catch (Exception e) {
-			e.printStackTrace();
-		}
-	}
+    /**
+     * 快速将bean的crtUser、crtHost、crtTime附上相关值
+     *
+     * @param entity 实体bean
+     * @author 王浩彬
+     */
+    public static <T> void setCreateInfo(T entity) {
+        try {
+            Method[] methods = entity.getClass().getMethods();
+            for (Method m : methods) {
+                if (m.getName().equals( "setCreateBy" )) {
+                    m.invoke( entity, com.ruoyi.framework.web.util.ShiroUtils.getUserId() );
+                } else if (m.getName().equals( "setId" )) {
+                    m.invoke( entity, RandomUtil.randomUUID() );
+                }
+
+
+            }
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    /**
+     * 快速将bean的updUser、updHost、updTime附上相关值
+     *
+     * @param entity 实体bean
+     * @author 王浩彬
+     */
+    public static <T> void setUpdatedInfo(T entity) {
+        try {
+            Method[] methods = entity.getClass().getMethods();
+            for (Method m : methods) {
+                if (m.getName().equals( "setUpdateBy" )) {
+                    m.invoke( entity, com.ruoyi.framework.web.util.ShiroUtils.getUserId() );
+                }
+            }
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
 
 }