diff --git a/src/main/java/com/muyu/system/controller/SysUserController.java b/src/main/java/com/muyu/system/controller/SysUserController.java
index c30bfc7..ce612e9 100644
--- a/src/main/java/com/muyu/system/controller/SysUserController.java
+++ b/src/main/java/com/muyu/system/controller/SysUserController.java
@@ -26,6 +26,7 @@ import org.springframework.web.multipart.MultipartFile;
 
 import jakarta.servlet.http.HttpServletResponse;
 import java.io.IOException;
+import java.math.BigDecimal;
 import java.util.Date;
 import java.util.List;
 import java.util.Set;
@@ -275,9 +276,10 @@ public class SysUserController extends BaseController {
     @GetMapping("/balance/{userId}")
     public Result userBalance(@PathVariable("userId") Long userId){
         userService.checkUserDataScope(userId);
-        int rows = userService.selectBalance(userId);
-        System.out.println(rows);
-        return Result.success(rows);
+        BigDecimal balance = userService.selectBalance(userId);
+        String balanceString = balance.toPlainString();
+        System.out.println(balanceString);
+        return Result.success(balanceString);
     }
 
 
diff --git a/src/main/java/com/muyu/system/mapper/SysUserMapper.java b/src/main/java/com/muyu/system/mapper/SysUserMapper.java
index b1206af..901b158 100644
--- a/src/main/java/com/muyu/system/mapper/SysUserMapper.java
+++ b/src/main/java/com/muyu/system/mapper/SysUserMapper.java
@@ -4,6 +4,7 @@ import com.baomidou.mybatisplus.core.mapper.BaseMapper;
 import com.muyu.common.system.domain.SysUser;
 import org.apache.ibatis.annotations.Param;
 
+import java.math.BigDecimal;
 import java.util.List;
 
 /**
@@ -144,5 +145,6 @@ public interface SysUserMapper extends BaseMapper<SysUser> {
     public SysUser checkEmailUnique (String email);
 
 
-    public int selectBalance(Long userId);
+
+    BigDecimal selectBalance(Long userId);
 }
diff --git a/src/main/java/com/muyu/system/service/SysUserService.java b/src/main/java/com/muyu/system/service/SysUserService.java
index 6b67cdf..f04a34b 100644
--- a/src/main/java/com/muyu/system/service/SysUserService.java
+++ b/src/main/java/com/muyu/system/service/SysUserService.java
@@ -3,6 +3,7 @@ package com.muyu.system.service;
 import com.baomidou.mybatisplus.extension.service.IService;
 import com.muyu.common.system.domain.SysUser;
 
+import java.math.BigDecimal;
 import java.util.List;
 
 /**
@@ -229,5 +230,5 @@ public interface SysUserService extends IService<SysUser> {
     int insertBalance(SysUser user);
 
 
-    int selectBalance(Long userId);
+    BigDecimal selectBalance(Long userId);
 }
diff --git a/src/main/java/com/muyu/system/service/impl/SysUserServiceImpl.java b/src/main/java/com/muyu/system/service/impl/SysUserServiceImpl.java
index a37d6c9..99bb708 100644
--- a/src/main/java/com/muyu/system/service/impl/SysUserServiceImpl.java
+++ b/src/main/java/com/muyu/system/service/impl/SysUserServiceImpl.java
@@ -128,10 +128,8 @@ public class SysUserServiceImpl extends ServiceImpl<SysUserMapper, SysUser> impl
 
 
     @Override
-    public int selectBalance(Long userId) {
-        int i = userMapper.selectBalance(userId);
-        System.out.println(i);
-        return i;
+    public BigDecimal selectBalance(Long userId) {
+        return userMapper.selectBalance(userId);
     }
 
     /**
diff --git a/src/main/resources/mapper/system/SysUserMapper.xml b/src/main/resources/mapper/system/SysUserMapper.xml
index 039bbe8..87f7f29 100644
--- a/src/main/resources/mapper/system/SysUserMapper.xml
+++ b/src/main/resources/mapper/system/SysUserMapper.xml
@@ -184,7 +184,7 @@
           and del_flag = '0'
         limit 1
     </select>
-    <select id="selectBalance" resultType="java.lang.Integer">
+    <select id="selectBalance" resultType="java.math.BigDecimal">
            select user_balance from sys_user where user_id = #{userId}
     </select>