diff --git a/src/usercenter/dto/create-usercenter.dto.ts b/src/usercenter/dto/create-usercenter.dto.ts
index 22977e7..a0c835c 100644
--- a/src/usercenter/dto/create-usercenter.dto.ts
+++ b/src/usercenter/dto/create-usercenter.dto.ts
@@ -1,4 +1,4 @@
-import { IsEmail, IsString, Length, Matches } from 'class-validator';
+import { IsEmail, IsString, Length, Matches, IsOptional, IsInt, Min, Max } from 'class-validator';
 
 export class CreateUsercenterDto {
   @IsString()
@@ -18,4 +18,10 @@ export class CreateUsercenterDto {
 
   @IsEmail({}, { message: '无效的邮箱格式' })
   userEmail: string; // 用户邮箱
+
+  @IsOptional()
+  @IsInt({ message: '性别必须是整数' })
+  @Min(0, { message: '性别值必须大于等于0' })
+  @Max(2, { message: '性别值必须小于等于2' })
+  sex?: number; // 性别，0未知，1男，2女
 }
diff --git a/src/usercenter/dto/query-usercenter.dto.ts b/src/usercenter/dto/query-usercenter.dto.ts
index 5c1acc4..a5eea7b 100644
--- a/src/usercenter/dto/query-usercenter.dto.ts
+++ b/src/usercenter/dto/query-usercenter.dto.ts
@@ -39,4 +39,15 @@ export class QueryUsercenterDto {
   @Min(1, { message: '用户角色最小值为1' })
   @Max(2, { message: '用户角色最大值为2' })
   role?: number;
+
+  /**
+   * 性别
+   * 0: 未知, 1: 男, 2: 女
+   */
+  @IsOptional()
+  @Type(() => Number)
+  @IsInt({ message: '性别必须是整数' })
+  @Min(0, { message: '性别值最小为0' })
+  @Max(2, { message: '性别值最大为2' })
+  sex?: number;
 }
diff --git a/src/usercenter/entities/usercenter.entity.ts b/src/usercenter/entities/usercenter.entity.ts
index 22f3bda..d8499db 100644
--- a/src/usercenter/entities/usercenter.entity.ts
+++ b/src/usercenter/entities/usercenter.entity.ts
@@ -109,6 +109,14 @@ export class UserEntity {
   })
   userName: string; // 用户名
 
+  @Column({
+    type: 'int',
+    name: 'sex',
+    nullable: false,
+    default: 0, // 默认0未知，1男，2女
+  })
+  sex: number; // 性别
+
   @Column({
     type: 'varchar',
     length: 30,
diff --git a/src/usercenter/usercenter.service.ts b/src/usercenter/usercenter.service.ts
index e93c1c9..c1b1313 100644
--- a/src/usercenter/usercenter.service.ts
+++ b/src/usercenter/usercenter.service.ts
@@ -46,6 +46,7 @@ export class UsercenterService {
       ...userData,
       userAuth: 1, // 默认为普通用户
       userStatus: 1, // 默认为正常状态
+      sex: userData.sex || 0, // 默认为0（未知）
       createTime: new Date(),
       updateTime: new Date(),
       createBy: createUsercenterDto.userName, // 创建人为用户自己
@@ -83,8 +84,8 @@ export class UsercenterService {
    * @param query 查询参数，包含页码、每页条数和角色
    * @returns 返回用户列表和总数
    */
-  async findUsersByRole(query: { page: number; limit: number; role?: number }) {
-    const { page, limit, role } = query;
+  async findUsersByRole(query: { page: number; limit: number; role?: number; sex?: number }) {
+    const { page, limit, role, sex } = query;
     const skip = (page - 1) * limit; // 计算跳过的记录数
 
     // 创建查询构建器
@@ -95,6 +96,11 @@ export class UsercenterService {
       queryBuilder.andWhere('user.userAuth = :role', { role });
     }
 
+    // 如果指定了性别，添加性别筛选条件
+    if (sex !== undefined) {
+      queryBuilder.andWhere('user.sex = :sex', { sex });
+    }
+
     // 执行查询并获取结果
     const [data, total] = await queryBuilder
       .orderBy('user.createTime', 'DESC')