diff --git a/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/text/Convert.java b/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/text/Convert.java
index a6de299b..96fab228 100644
--- a/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/text/Convert.java
+++ b/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/text/Convert.java
@@ -902,7 +902,7 @@ public class Convert
      */
     public static String toSBC(String input, Set<Character> notConvertSet)
     {
-        char c[] = input.toCharArray();
+        char[] c = input.toCharArray();
         for (int i = 0; i < c.length; i++)
         {
             if (null != notConvertSet && notConvertSet.contains(c[i]))
@@ -944,7 +944,7 @@ public class Convert
      */
     public static String toDBC(String text, Set<Character> notConvertSet)
     {
-        char c[] = text.toCharArray();
+        char[] c = text.toCharArray();
         for (int i = 0; i < c.length; i++)
         {
             if (null != notConvertSet && notConvertSet.contains(c[i]))
diff --git a/ruoyi-gateway/src/main/java/com/ruoyi/gateway/config/KaptchaTextCreator.java b/ruoyi-gateway/src/main/java/com/ruoyi/gateway/config/KaptchaTextCreator.java
index 9ec31737..ea65aef7 100644
--- a/ruoyi-gateway/src/main/java/com/ruoyi/gateway/config/KaptchaTextCreator.java
+++ b/ruoyi-gateway/src/main/java/com/ruoyi/gateway/config/KaptchaTextCreator.java
@@ -20,7 +20,7 @@ public class KaptchaTextCreator extends DefaultTextCreator
         int x = random.nextInt(10);
         int y = random.nextInt(10);
         StringBuilder suChinese = new StringBuilder();
-        int randomoperands = (int) Math.round(Math.random() * 2);
+        int randomoperands = random.nextInt(3);
         if (randomoperands == 0)
         {
             result = x * y;
@@ -30,7 +30,7 @@ public class KaptchaTextCreator extends DefaultTextCreator
         }
         else if (randomoperands == 1)
         {
-            if (!(x == 0) && y % x == 0)
+            if ((x != 0) && y % x == 0)
             {
                 result = y / x;
                 suChinese.append(CNUMBERS[y]);
diff --git a/ruoyi-modules/ruoyi-system/src/main/resources/mapper/system/SysDeptMapper.xml b/ruoyi-modules/ruoyi-system/src/main/resources/mapper/system/SysDeptMapper.xml
index 62aab4c4..984f89cc 100644
--- a/ruoyi-modules/ruoyi-system/src/main/resources/mapper/system/SysDeptMapper.xml
+++ b/ruoyi-modules/ruoyi-system/src/main/resources/mapper/system/SysDeptMapper.xml
@@ -47,7 +47,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
 		order by d.parent_id, d.order_num
     </select>
     
-    <select id="selectDeptListByRoleId" resultType="Integer">
+    <select id="selectDeptListByRoleId" resultType="Long">
 		select d.dept_id
 		from sys_dept d
             left join sys_role_dept rd on d.dept_id = rd.dept_id