diff --git a/yudao-module-member/yudao-module-member-biz/pom.xml b/yudao-module-member/yudao-module-member-biz/pom.xml
index 3c9b81e65..368a3cba7 100644
--- a/yudao-module-member/yudao-module-member-biz/pom.xml
+++ b/yudao-module-member/yudao-module-member-biz/pom.xml
@@ -33,6 +33,11 @@
             <artifactId>yudao-module-infra-api</artifactId>
             <version>${revision}</version>
         </dependency>
+        <dependency>
+            <groupId>cn.iocoder.boot</groupId>
+            <artifactId>yudao-module-pay-api</artifactId>
+            <version>${revision}</version>
+        </dependency>
 
         <!-- 业务组件 -->
         <dependency>
diff --git a/yudao-module-member/yudao-module-member-biz/src/main/java/cn/iocoder/yudao/module/member/controller/admin/user/MemberUserController.java b/yudao-module-member/yudao-module-member-biz/src/main/java/cn/iocoder/yudao/module/member/controller/admin/user/MemberUserController.java
index c9c6c06e0..09978f6e0 100644
--- a/yudao-module-member/yudao-module-member-biz/src/main/java/cn/iocoder/yudao/module/member/controller/admin/user/MemberUserController.java
+++ b/yudao-module-member/yudao-module-member-biz/src/main/java/cn/iocoder/yudao/module/member/controller/admin/user/MemberUserController.java
@@ -3,6 +3,7 @@ package cn.iocoder.yudao.module.member.controller.admin.user;
 import cn.hutool.core.collection.CollUtil;
 import cn.iocoder.yudao.framework.common.pojo.CommonResult;
 import cn.iocoder.yudao.framework.common.pojo.PageResult;
+import cn.iocoder.yudao.framework.common.util.object.BeanUtils;
 import cn.iocoder.yudao.module.member.controller.admin.user.vo.*;
 import cn.iocoder.yudao.module.member.convert.user.MemberUserConvert;
 import cn.iocoder.yudao.module.member.dal.dataobject.group.MemberGroupDO;
@@ -15,15 +16,17 @@ import cn.iocoder.yudao.module.member.service.level.MemberLevelService;
 import cn.iocoder.yudao.module.member.service.point.MemberPointRecordService;
 import cn.iocoder.yudao.module.member.service.tag.MemberTagService;
 import cn.iocoder.yudao.module.member.service.user.MemberUserService;
+import cn.iocoder.yudao.module.pay.api.wallet.PayWalletApi;
+import cn.iocoder.yudao.module.pay.api.wallet.dto.PayWalletUpdateBalanceReqDTO;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.Parameter;
 import io.swagger.v3.oas.annotations.tags.Tag;
+import jakarta.annotation.Resource;
+import jakarta.validation.Valid;
 import org.springframework.security.access.prepost.PreAuthorize;
 import org.springframework.validation.annotation.Validated;
 import org.springframework.web.bind.annotation.*;
 
-import jakarta.annotation.Resource;
-import jakarta.validation.Valid;
 import java.util.Collection;
 import java.util.List;
 import java.util.Objects;
@@ -50,6 +53,8 @@ public class MemberUserController {
     private MemberGroupService memberGroupService;
     @Resource
     private MemberPointRecordService memberPointRecordService;
+    @Resource
+    private PayWalletApi payWalletApi;
 
     @PutMapping("/update")
     @Operation(summary = "更新会员用户")
@@ -79,8 +84,9 @@ public class MemberUserController {
     @PutMapping("/update-balance")
     @Operation(summary = "更新会员用户余额")
     @PreAuthorize("@ss.hasPermission('member:user:update-balance')")
-    public CommonResult<Boolean> updateUserBalance(@Valid @RequestBody Long id) {
-        // todo @jason：增加一个【修改余额】
+    public CommonResult<Boolean> updateUserBalance(@Valid @RequestBody MemberUserUpdateBalanceReqVO updateReqVO) {
+        payWalletApi.updateBalance(BeanUtils.toBean(updateReqVO, PayWalletUpdateBalanceReqDTO.class)
+                .setUserId(updateReqVO.getId()));
         return success(true);
     }
 
diff --git a/yudao-module-member/yudao-module-member-biz/src/main/java/cn/iocoder/yudao/module/member/controller/admin/user/vo/MemberUserUpdateBalanceReqVO.java b/yudao-module-member/yudao-module-member-biz/src/main/java/cn/iocoder/yudao/module/member/controller/admin/user/vo/MemberUserUpdateBalanceReqVO.java
new file mode 100644
index 000000000..fe694df67
--- /dev/null
+++ b/yudao-module-member/yudao-module-member-biz/src/main/java/cn/iocoder/yudao/module/member/controller/admin/user/vo/MemberUserUpdateBalanceReqVO.java
@@ -0,0 +1,21 @@
+package cn.iocoder.yudao.module.member.controller.admin.user.vo;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+import jakarta.validation.constraints.NotNull;
+import lombok.Data;
+import lombok.ToString;
+
+@Schema(description = "管理后台 - 用户修改余额 Request VO")
+@Data
+@ToString(callSuper = true)
+public class MemberUserUpdateBalanceReqVO {
+
+    @Schema(description = "用户编号", requiredMode = Schema.RequiredMode.REQUIRED, example = "23788")
+    @NotNull(message = "用户编号不能为空")
+    private Long id;
+
+    @Schema(description = "变动余额，正数为增加，负数为减少", requiredMode = Schema.RequiredMode.REQUIRED, example = "100")
+    @NotNull(message = "变动余额不能为空")
+    private Integer balance;
+
+}
diff --git a/yudao-module-pay/yudao-module-pay-api/src/main/java/cn/iocoder/yudao/module/pay/api/wallet/PayWalletApi.java b/yudao-module-pay/yudao-module-pay-api/src/main/java/cn/iocoder/yudao/module/pay/api/wallet/PayWalletApi.java
new file mode 100644
index 000000000..a99bafe93
--- /dev/null
+++ b/yudao-module-pay/yudao-module-pay-api/src/main/java/cn/iocoder/yudao/module/pay/api/wallet/PayWalletApi.java
@@ -0,0 +1,19 @@
+package cn.iocoder.yudao.module.pay.api.wallet;
+
+import cn.iocoder.yudao.module.pay.api.wallet.dto.PayWalletUpdateBalanceReqDTO;
+
+/**
+ * 会员钱包 API 接口
+ *
+ * @author HUIHUI
+ */
+public interface PayWalletApi {
+
+    /**
+     * 更新钱包余额
+     *
+     * @param reqDTO 请求
+     */
+    void updateBalance(PayWalletUpdateBalanceReqDTO reqDTO);
+
+}
diff --git a/yudao-module-pay/yudao-module-pay-api/src/main/java/cn/iocoder/yudao/module/pay/api/wallet/dto/PayWalletUpdateBalanceReqDTO.java b/yudao-module-pay/yudao-module-pay-api/src/main/java/cn/iocoder/yudao/module/pay/api/wallet/dto/PayWalletUpdateBalanceReqDTO.java
new file mode 100644
index 000000000..02a7756dd
--- /dev/null
+++ b/yudao-module-pay/yudao-module-pay-api/src/main/java/cn/iocoder/yudao/module/pay/api/wallet/dto/PayWalletUpdateBalanceReqDTO.java
@@ -0,0 +1,23 @@
+package cn.iocoder.yudao.module.pay.api.wallet.dto;
+
+import jakarta.validation.constraints.NotNull;
+import lombok.Data;
+
+/**
+ * 钱包余额更新 Request DTO
+ *
+ * @author HUIHUI
+ */
+@Data
+public class PayWalletUpdateBalanceReqDTO {
+
+    @NotNull(message = "用户编号不能为空")
+    private Long userId;
+
+    /**
+     * 变动余额，正数为增加，负数为减少
+     */
+    @NotNull(message = "变动余额不能为空")
+    private Integer balance;
+
+}
diff --git a/yudao-module-pay/yudao-module-pay-api/src/main/java/cn/iocoder/yudao/module/pay/enums/wallet/PayWalletBizTypeEnum.java b/yudao-module-pay/yudao-module-pay-api/src/main/java/cn/iocoder/yudao/module/pay/enums/wallet/PayWalletBizTypeEnum.java
index 20e0a8b09..7892db543 100644
--- a/yudao-module-pay/yudao-module-pay-api/src/main/java/cn/iocoder/yudao/module/pay/enums/wallet/PayWalletBizTypeEnum.java
+++ b/yudao-module-pay/yudao-module-pay-api/src/main/java/cn/iocoder/yudao/module/pay/enums/wallet/PayWalletBizTypeEnum.java
@@ -18,7 +18,8 @@ public enum PayWalletBizTypeEnum implements IntArrayValuable {
     RECHARGE(1, "充值"),
     RECHARGE_REFUND(2, "充值退款"),
     PAYMENT(3, "支付"),
-    PAYMENT_REFUND(4, "支付退款");
+    PAYMENT_REFUND(4, "支付退款"),
+    UPDATE_BALANCE(5, "更新余额");
 
     // TODO 后续增加
 
diff --git a/yudao-module-pay/yudao-module-pay-biz/src/main/java/cn/iocoder/yudao/module/pay/api/wallet/PayWalletApiImpl.java b/yudao-module-pay/yudao-module-pay-biz/src/main/java/cn/iocoder/yudao/module/pay/api/wallet/PayWalletApiImpl.java
new file mode 100644
index 000000000..9f94e1a8f
--- /dev/null
+++ b/yudao-module-pay/yudao-module-pay-biz/src/main/java/cn/iocoder/yudao/module/pay/api/wallet/PayWalletApiImpl.java
@@ -0,0 +1,43 @@
+package cn.iocoder.yudao.module.pay.api.wallet;
+
+import cn.iocoder.yudao.module.pay.api.wallet.dto.PayWalletUpdateBalanceReqDTO;
+import cn.iocoder.yudao.module.pay.dal.dataobject.wallet.PayWalletDO;
+import cn.iocoder.yudao.module.pay.enums.wallet.PayWalletBizTypeEnum;
+import cn.iocoder.yudao.module.pay.service.wallet.PayWalletService;
+import jakarta.annotation.Resource;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Service;
+import org.springframework.validation.annotation.Validated;
+
+import static cn.iocoder.yudao.framework.common.enums.UserTypeEnum.MEMBER;
+import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
+import static cn.iocoder.yudao.module.pay.enums.ErrorCodeConstants.WALLET_NOT_FOUND;
+
+/**
+ * 会员钱包 API 实现类
+ *
+ * @author HUIHUI
+ */
+@Service
+@Validated
+@Slf4j
+public class PayWalletApiImpl implements PayWalletApi {
+
+    @Resource
+    private PayWalletService payWalletService;
+
+    @Override
+    public void updateBalance(PayWalletUpdateBalanceReqDTO reqDTO) {
+        // 获得用户钱包
+        PayWalletDO wallet = payWalletService.getOrCreateWallet(reqDTO.getUserId(), MEMBER.getValue());
+        if (wallet == null) {
+            log.error("[updateBalance]，reqDTO({}) 用户钱包不存在.", reqDTO);
+            throw exception(WALLET_NOT_FOUND);
+        }
+
+        // 更新钱包余额
+        payWalletService.addWalletBalance(wallet.getId(), String.valueOf(reqDTO.getUserId()),
+                PayWalletBizTypeEnum.UPDATE_BALANCE, reqDTO.getBalance());
+    }
+
+}
diff --git a/yudao-module-pay/yudao-module-pay-biz/src/main/java/cn/iocoder/yudao/module/pay/service/wallet/PayWalletServiceImpl.java b/yudao-module-pay/yudao-module-pay-biz/src/main/java/cn/iocoder/yudao/module/pay/service/wallet/PayWalletServiceImpl.java
index 513786143..b844e3769 100644
--- a/yudao-module-pay/yudao-module-pay-biz/src/main/java/cn/iocoder/yudao/module/pay/service/wallet/PayWalletServiceImpl.java
+++ b/yudao-module-pay/yudao-module-pay-biz/src/main/java/cn/iocoder/yudao/module/pay/service/wallet/PayWalletServiceImpl.java
@@ -12,12 +12,12 @@ import cn.iocoder.yudao.module.pay.enums.wallet.PayWalletBizTypeEnum;
 import cn.iocoder.yudao.module.pay.service.order.PayOrderService;
 import cn.iocoder.yudao.module.pay.service.refund.PayRefundService;
 import cn.iocoder.yudao.module.pay.service.wallet.bo.WalletTransactionCreateReqBO;
+import jakarta.annotation.Resource;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.context.annotation.Lazy;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
-import jakarta.annotation.Resource;
 import java.time.LocalDateTime;
 
 import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
@@ -176,6 +176,9 @@ public class PayWalletServiceImpl implements  PayWalletService {
                 walletMapper.updateWhenRecharge(payWallet.getId(), price);
                 break;
             }
+            case UPDATE_BALANCE: // 更新余额
+                walletMapper.updateWhenRecharge(payWallet.getId(), price);
+                break;
             default: {
                 // TODO 其它类型待实现
                 throw new UnsupportedOperationException("待实现");