diff --git a/wfc-modules/wfc-system/src/main/java/org/wfc/system/controller/UBillRuleController.java b/wfc-modules/wfc-system/src/main/java/org/wfc/system/controller/UBillRuleController.java
new file mode 100644
index 0000000..b22b1eb
--- /dev/null
+++ b/wfc-modules/wfc-system/src/main/java/org/wfc/system/controller/UBillRuleController.java
@@ -0,0 +1,69 @@
+package org.wfc.system.controller;
+
+import cn.hutool.core.collection.CollUtil;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.DeleteMapping;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.PutMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+import org.wfc.common.core.web.controller.BaseController;
+import org.wfc.common.core.web.domain.AjaxResult;
+import org.wfc.common.core.web.page.TableDataInfo;
+import org.wfc.system.domain.UBillRule;
+import org.wfc.system.service.IUBillRuleService;
+
+import java.util.List;
+
+/**
+ * <p>
+ * 用户平台-计费规则表 前端控制器
+ * </p>
+ *
+ * @author sys
+ * @since 2025-01-07
+ */
+@RestController
+@RequestMapping("/billRule")
+public class UBillRuleController extends BaseController {
+
+    @Autowired
+    private IUBillRuleService uBillRuleService;
+
+    @GetMapping("/page")
+    public TableDataInfo page(UBillRule uBillRule) {
+        startPage();
+        List<UBillRule> list = uBillRuleService.list();
+        return getDataTable(list);
+    }
+
+    @GetMapping("/list")
+    public AjaxResult list(UBillRule uBillRule) {
+        List<UBillRule> list = uBillRuleService.list();
+        return success(list);
+    }
+
+    @GetMapping(value = "/{id}")
+    public AjaxResult getById(@PathVariable("id") Long id) {
+        return success(uBillRuleService.getById(id));
+    }
+
+    @PostMapping
+    public AjaxResult add(@RequestBody UBillRule uBillRule) {
+        return toAjax(uBillRuleService.save(uBillRule));
+    }
+
+    @PutMapping
+    public AjaxResult edit(@RequestBody UBillRule uBillRule) {
+        return toAjax(uBillRuleService.updateById(uBillRule));
+    }
+
+    @DeleteMapping("/{ids}")
+    public AjaxResult remove(@PathVariable Long[] ids) {
+        return toAjax(uBillRuleService.removeByIds(CollUtil.newArrayList(ids)));
+    }
+
+}
diff --git a/wfc-modules/wfc-system/src/main/java/org/wfc/system/domain/UBillRule.java b/wfc-modules/wfc-system/src/main/java/org/wfc/system/domain/UBillRule.java
new file mode 100644
index 0000000..922883f
--- /dev/null
+++ b/wfc-modules/wfc-system/src/main/java/org/wfc/system/domain/UBillRule.java
@@ -0,0 +1,38 @@
+package org.wfc.system.domain;
+
+import com.baomidou.mybatisplus.annotation.TableName;
+import java.io.Serializable;
+import java.math.BigDecimal;
+import org.wfc.common.mybatis.domain.BaseData;
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.Getter;
+import lombok.Setter;
+
+/**
+ * <p>
+ * 用户平台-计费规则表
+ * </p>
+ *
+ * @author sys
+ * @since 2025-01-07
+ */
+@Getter
+@Setter
+@TableName("u_bill_rule")
+@Schema(name = "UBillRule", description = "用户平台-计费规则表")
+public class UBillRule extends BaseData {
+
+    private static final long serialVersionUID = 1L;
+
+    @Schema(description = "价格")
+    private BigDecimal price;
+
+    @Schema(description = "流量")
+    private Long traffic;
+
+    @Schema(description = "单位")
+    private Integer unit;
+
+    @Schema(description = "是否启用")
+    private Boolean enable;
+}
diff --git a/wfc-modules/wfc-system/src/main/java/org/wfc/system/mapper/UBillRuleMapper.java b/wfc-modules/wfc-system/src/main/java/org/wfc/system/mapper/UBillRuleMapper.java
new file mode 100644
index 0000000..e0d91b4
--- /dev/null
+++ b/wfc-modules/wfc-system/src/main/java/org/wfc/system/mapper/UBillRuleMapper.java
@@ -0,0 +1,18 @@
+package org.wfc.system.mapper;
+
+import com.baomidou.dynamic.datasource.annotation.DS;
+import org.wfc.system.domain.UBillRule;
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+
+/**
+ * <p>
+ * 用户平台-计费规则表 Mapper 接口
+ * </p>
+ *
+ * @author sys
+ * @since 2025-01-07
+ */
+@DS("user")
+public interface UBillRuleMapper extends BaseMapper<UBillRule> {
+
+}
diff --git a/wfc-modules/wfc-system/src/main/java/org/wfc/system/service/IUBillRuleService.java b/wfc-modules/wfc-system/src/main/java/org/wfc/system/service/IUBillRuleService.java
new file mode 100644
index 0000000..c1f1d08
--- /dev/null
+++ b/wfc-modules/wfc-system/src/main/java/org/wfc/system/service/IUBillRuleService.java
@@ -0,0 +1,16 @@
+package org.wfc.system.service;
+
+import org.wfc.system.domain.UBillRule;
+import com.baomidou.mybatisplus.extension.service.IService;
+
+/**
+ * <p>
+ * 用户平台-计费规则表 服务类
+ * </p>
+ *
+ * @author sys
+ * @since 2025-01-07
+ */
+public interface IUBillRuleService extends IService<UBillRule> {
+
+}
diff --git a/wfc-modules/wfc-system/src/main/java/org/wfc/system/service/impl/UBillRuleServiceImpl.java b/wfc-modules/wfc-system/src/main/java/org/wfc/system/service/impl/UBillRuleServiceImpl.java
new file mode 100644
index 0000000..aecf53b
--- /dev/null
+++ b/wfc-modules/wfc-system/src/main/java/org/wfc/system/service/impl/UBillRuleServiceImpl.java
@@ -0,0 +1,20 @@
+package org.wfc.system.service.impl;
+
+import org.wfc.system.domain.UBillRule;
+import org.wfc.system.mapper.UBillRuleMapper;
+import org.wfc.system.service.IUBillRuleService;
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import org.springframework.stereotype.Service;
+
+/**
+ * <p>
+ * 用户平台-计费规则表 服务实现类
+ * </p>
+ *
+ * @author sys
+ * @since 2025-01-07
+ */
+@Service
+public class UBillRuleServiceImpl extends ServiceImpl<UBillRuleMapper, UBillRule> implements IUBillRuleService {
+
+}
diff --git a/wfc-modules/wfc-system/src/main/resources/mapper/system/UBillRuleMapper.xml b/wfc-modules/wfc-system/src/main/resources/mapper/system/UBillRuleMapper.xml
new file mode 100644
index 0000000..c752439
--- /dev/null
+++ b/wfc-modules/wfc-system/src/main/resources/mapper/system/UBillRuleMapper.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="org.wfc.system.mapper.UBillRuleMapper">
+
+</mapper>
diff --git a/wfc-modules/wfc-user/src/main/java/org/wfc/user/service/impl/UAccountServiceImpl.java b/wfc-modules/wfc-user/src/main/java/org/wfc/user/service/impl/UAccountServiceImpl.java
index da0eef4..77d81d7 100644
--- a/wfc-modules/wfc-user/src/main/java/org/wfc/user/service/impl/UAccountServiceImpl.java
+++ b/wfc-modules/wfc-user/src/main/java/org/wfc/user/service/impl/UAccountServiceImpl.java
@@ -248,9 +248,9 @@ public class UAccountServiceImpl extends ServiceImpl<UAccountMapper, UAccount> i
             BigDecimal balanceUsed = Optional.of(account.getBalanceUsed()).orElse(BigDecimal.ZERO);
             BigDecimal balance = Optional.of(dashboardVo.getBalance()).orElse(BigDecimal.ZERO);
             if (balance.compareTo(balanceUsed) >= 0) {
-                dashboardVo.setBalance(BigDecimal.ZERO);
-            } else {
                 dashboardVo.setBalance(balance.subtract(balanceUsed));
+            } else {
+                dashboardVo.setBalance(BigDecimal.ZERO);
             }
         }
         return dashboardVo;