diff --git a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysDeptServiceImpl.java b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysDeptServiceImpl.java
index 0a2f8e6af..995bd2d60 100644
--- a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysDeptServiceImpl.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysDeptServiceImpl.java
@@ -111,8 +111,7 @@ public class SysDeptServiceImpl extends ServicePlusImpl<SysDeptMapper, SysDept,
     @Override
     public boolean hasChildByDeptId(Long deptId) {
         long result = count(new LambdaQueryWrapper<SysDept>()
-            .eq(SysDept::getParentId, deptId)
-            .last("limit 1"));
+            .eq(SysDept::getParentId, deptId));
         return result > 0;
     }
 
@@ -138,11 +137,11 @@ public class SysDeptServiceImpl extends ServicePlusImpl<SysDeptMapper, SysDept,
     @Override
     public String checkDeptNameUnique(SysDept dept) {
         Long deptId = StringUtils.isNull(dept.getDeptId()) ? -1L : dept.getDeptId();
-        SysDept info = getOne(new LambdaQueryWrapper<SysDept>()
+        long count = count(new LambdaQueryWrapper<SysDept>()
             .eq(SysDept::getDeptName, dept.getDeptName())
             .eq(SysDept::getParentId, dept.getParentId())
-            .last("limit 1"));
-        if (StringUtils.isNotNull(info) && info.getDeptId().longValue() != deptId.longValue()) {
+            .ne(SysDept::getDeptId, deptId));
+        if (count > 0) {
             return UserConstants.NOT_UNIQUE;
         }
         return UserConstants.UNIQUE;
diff --git a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysDictTypeServiceImpl.java b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysDictTypeServiceImpl.java
index bb940c2b0..0cdce84c1 100644
--- a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysDictTypeServiceImpl.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysDictTypeServiceImpl.java
@@ -225,10 +225,10 @@ public class SysDictTypeServiceImpl extends ServicePlusImpl<SysDictTypeMapper, S
     @Override
     public String checkDictTypeUnique(SysDictType dict) {
         Long dictId = StringUtils.isNull(dict.getDictId()) ? -1L : dict.getDictId();
-        SysDictType dictType = getOne(new LambdaQueryWrapper<SysDictType>()
+        long count = count(new LambdaQueryWrapper<SysDictType>()
                 .eq(SysDictType::getDictType, dict.getDictType())
-                .last("limit 1"));
-        if (StringUtils.isNotNull(dictType) && dictType.getDictId().longValue() != dictId.longValue()) {
+                .ne(SysDictType::getDictId, dictId));
+        if (count > 0) {
             return UserConstants.NOT_UNIQUE;
         }
         return UserConstants.UNIQUE;
diff --git a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysMenuServiceImpl.java b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysMenuServiceImpl.java
index 98236e90b..c8f193af1 100644
--- a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysMenuServiceImpl.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysMenuServiceImpl.java
@@ -262,11 +262,11 @@ public class SysMenuServiceImpl extends ServicePlusImpl<SysMenuMapper, SysMenu,
     @Override
     public String checkMenuNameUnique(SysMenu menu) {
         Long menuId = StringUtils.isNull(menu.getMenuId()) ? -1L : menu.getMenuId();
-        SysMenu info = getOne(new LambdaQueryWrapper<SysMenu>()
+        long count = count(new LambdaQueryWrapper<SysMenu>()
             .eq(SysMenu::getMenuName, menu.getMenuName())
             .eq(SysMenu::getParentId, menu.getParentId())
-            .last("limit 1"));
-        if (StringUtils.isNotNull(info) && info.getMenuId().longValue() != menuId.longValue()) {
+            .ne(SysMenu::getMenuId, menuId));
+        if (count > 0) {
             return UserConstants.NOT_UNIQUE;
         }
         return UserConstants.UNIQUE;
diff --git a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysPostServiceImpl.java b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysPostServiceImpl.java
index 9681b3db4..4e04f3a19 100644
--- a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysPostServiceImpl.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysPostServiceImpl.java
@@ -93,9 +93,10 @@ public class SysPostServiceImpl extends ServicePlusImpl<SysPostMapper, SysPost,
     @Override
     public String checkPostNameUnique(SysPost post) {
         Long postId = StringUtils.isNull(post.getPostId()) ? -1L : post.getPostId();
-        SysPost info = getOne(new LambdaQueryWrapper<SysPost>()
-                .eq(SysPost::getPostName, post.getPostName()).last("limit 1"));
-        if (StringUtils.isNotNull(info) && info.getPostId().longValue() != postId.longValue()) {
+        long count = count(new LambdaQueryWrapper<SysPost>()
+                .eq(SysPost::getPostName, post.getPostName())
+                .ne(SysPost::getPostId, postId));
+        if (count > 0) {
             return UserConstants.NOT_UNIQUE;
         }
         return UserConstants.UNIQUE;
@@ -110,9 +111,10 @@ public class SysPostServiceImpl extends ServicePlusImpl<SysPostMapper, SysPost,
     @Override
     public String checkPostCodeUnique(SysPost post) {
         Long postId = StringUtils.isNull(post.getPostId()) ? -1L : post.getPostId();
-        SysPost info = getOne(new LambdaQueryWrapper<SysPost>()
-                .eq(SysPost::getPostCode, post.getPostCode()).last("limit 1"));
-        if (StringUtils.isNotNull(info) && info.getPostId().longValue() != postId.longValue()) {
+        long count = count(new LambdaQueryWrapper<SysPost>()
+                .eq(SysPost::getPostCode, post.getPostCode())
+                .ne(SysPost::getPostId, postId));
+        if (count > 0) {
             return UserConstants.NOT_UNIQUE;
         }
         return UserConstants.UNIQUE;
diff --git a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysRoleServiceImpl.java b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysRoleServiceImpl.java
index 7dd14af8f..7bad29746 100644
--- a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysRoleServiceImpl.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysRoleServiceImpl.java
@@ -141,9 +141,10 @@ public class SysRoleServiceImpl extends ServicePlusImpl<SysRoleMapper, SysRole,
     @Override
     public String checkRoleNameUnique(SysRole role) {
         Long roleId = StringUtils.isNull(role.getRoleId()) ? -1L : role.getRoleId();
-        SysRole info = getOne(new LambdaQueryWrapper<SysRole>()
-                .eq(SysRole::getRoleName, role.getRoleName()).last("limit 1"));
-        if (StringUtils.isNotNull(info) && info.getRoleId().longValue() != roleId.longValue()) {
+        long count = count(new LambdaQueryWrapper<SysRole>()
+                .eq(SysRole::getRoleName, role.getRoleName())
+                .ne(SysRole::getRoleId, roleId));
+        if (count > 0) {
             return UserConstants.NOT_UNIQUE;
         }
         return UserConstants.UNIQUE;
@@ -158,9 +159,10 @@ public class SysRoleServiceImpl extends ServicePlusImpl<SysRoleMapper, SysRole,
     @Override
     public String checkRoleKeyUnique(SysRole role) {
         Long roleId = StringUtils.isNull(role.getRoleId()) ? -1L : role.getRoleId();
-        SysRole info = getOne(new LambdaQueryWrapper<SysRole>()
-                .eq(SysRole::getRoleKey, role.getRoleKey()).last("limit 1"));
-        if (StringUtils.isNotNull(info) && info.getRoleId().longValue() != roleId.longValue()) {
+        long count = count(new LambdaQueryWrapper<SysRole>()
+                .eq(SysRole::getRoleKey, role.getRoleKey())
+                .ne(SysRole::getRoleId, roleId));
+        if (count > 0) {
             return UserConstants.NOT_UNIQUE;
         }
         return UserConstants.UNIQUE;
diff --git a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysUserServiceImpl.java b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysUserServiceImpl.java
index 788992a9d..08724cbb7 100644
--- a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysUserServiceImpl.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysUserServiceImpl.java
@@ -162,7 +162,7 @@ public class SysUserServiceImpl extends ServicePlusImpl<SysUserMapper, SysUser,
      */
     @Override
     public String checkUserNameUnique(String userName) {
-        long count = count(new LambdaQueryWrapper<SysUser>().eq(SysUser::getUserName, userName).last("limit 1"));
+        long count = count(new LambdaQueryWrapper<SysUser>().eq(SysUser::getUserName, userName));
         if (count > 0) {
             return UserConstants.NOT_UNIQUE;
         }
@@ -178,10 +178,11 @@ public class SysUserServiceImpl extends ServicePlusImpl<SysUserMapper, SysUser,
     @Override
     public String checkPhoneUnique(SysUser user) {
         Long userId = StringUtils.isNull(user.getUserId()) ? -1L : user.getUserId();
-        SysUser info = getOne(new LambdaQueryWrapper<SysUser>()
+        long count = count(new LambdaQueryWrapper<SysUser>()
                 .select(SysUser::getUserId, SysUser::getPhonenumber)
-                .eq(SysUser::getPhonenumber, user.getPhonenumber()).last("limit 1"));
-        if (StringUtils.isNotNull(info) && info.getUserId().longValue() != userId.longValue()) {
+                .eq(SysUser::getPhonenumber, user.getPhonenumber())
+                .ne(SysUser::getUserId, userId));
+        if (count > 0) {
             return UserConstants.NOT_UNIQUE;
         }
         return UserConstants.UNIQUE;
@@ -196,10 +197,11 @@ public class SysUserServiceImpl extends ServicePlusImpl<SysUserMapper, SysUser,
     @Override
     public String checkEmailUnique(SysUser user) {
         Long userId = StringUtils.isNull(user.getUserId()) ? -1L : user.getUserId();
-        SysUser info = getOne(new LambdaQueryWrapper<SysUser>()
+        long count = count(new LambdaQueryWrapper<SysUser>()
                 .select(SysUser::getUserId, SysUser::getEmail)
-                .eq(SysUser::getEmail, user.getEmail()).last("limit 1"));
-        if (StringUtils.isNotNull(info) && info.getUserId().longValue() != userId.longValue()) {
+                .eq(SysUser::getEmail, user.getEmail())
+                .ne(SysUser::getUserId, userId));
+        if (count > 0) {
             return UserConstants.NOT_UNIQUE;
         }
         return UserConstants.UNIQUE;