diff --git a/src/main/java/com/kexue/skills/config/AccountDeductionProperties.java b/src/main/java/com/kexue/skills/config/AccountDeductionProperties.java
new file mode 100644
index 0000000..2a295b7
--- /dev/null
+++ b/src/main/java/com/kexue/skills/config/AccountDeductionProperties.java
@@ -0,0 +1,26 @@
+package com.kexue.skills.config;
+
+import lombok.Data;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Component;
+
+import java.math.BigDecimal;
+
+/**
+ * 账户扣费配置属性
+ *
+ * @author 系统生成
+ * @since 2026-04-13
+ */
+@Data
+@Component
+public class AccountDeductionProperties {
+
+    /**
+     * 扣费系数，默认2倍
+     * 例如：系数为2时，实际消耗1积分，扣除2积分
+     */
+    @Value("${account.deduction.coefficient:2}")
+    private BigDecimal coefficient;
+
+}
diff --git a/src/main/java/com/kexue/skills/controller/AccountFrozenController.java b/src/main/java/com/kexue/skills/controller/AccountFrozenController.java
index 49c659a..a300777 100644
--- a/src/main/java/com/kexue/skills/controller/AccountFrozenController.java
+++ b/src/main/java/com/kexue/skills/controller/AccountFrozenController.java
@@ -11,10 +11,7 @@ import io.swagger.v3.oas.annotations.tags.Tag;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import com.fasterxml.jackson.databind.ObjectMapper;
-import org.springframework.web.bind.annotation.PostMapping;
-import org.springframework.web.bind.annotation.RequestBody;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.bind.annotation.*;
 
 import javax.annotation.Resource;
 import java.io.IOException;
@@ -26,7 +23,8 @@ import java.io.IOException;
  * @since 2026-04-11
  */
 @RestController
-@RequestMapping("/accountFrozen")
+@RequestMapping("/api/accountFrozen")
+@CrossOrigin(origins = "*")
 @Tag(name = "账户冻结单", description = "账户冻结单管理接口")
 public class AccountFrozenController {
 
diff --git a/src/main/java/com/kexue/skills/entity/SysUser.java b/src/main/java/com/kexue/skills/entity/SysUser.java
index cc720ff..cb336e0 100644
--- a/src/main/java/com/kexue/skills/entity/SysUser.java
+++ b/src/main/java/com/kexue/skills/entity/SysUser.java
@@ -66,4 +66,13 @@ public class SysUser extends BaseEntity implements Serializable  {
         @Schema(description ="会话ID")
         private String sessionId;
 
+        @Schema(description ="邀请码（用于邀请别人）")
+        private String inviteCode;
+
+        @Schema(description ="被邀请码（邀请我注册的邀请码）")
+        private String invitedCode;
+
+        @Schema(description ="邀请人用户ID（邀请我注册的用户ID）")
+        private Long invitedBy;
+
 }
diff --git a/src/main/java/com/kexue/skills/entity/request/PhoneLoginDto.java b/src/main/java/com/kexue/skills/entity/request/PhoneLoginDto.java
index 885bce7..7f281fe 100644
--- a/src/main/java/com/kexue/skills/entity/request/PhoneLoginDto.java
+++ b/src/main/java/com/kexue/skills/entity/request/PhoneLoginDto.java
@@ -23,4 +23,7 @@ public class PhoneLoginDto implements Serializable {
     
     @Schema(description ="验证码")
     private String code;
+
+    @Schema(description ="邀请码")
+    private String inviteCode;
 }
\ No newline at end of file
diff --git a/src/main/java/com/kexue/skills/mapper/SysUserMapper.java b/src/main/java/com/kexue/skills/mapper/SysUserMapper.java
index c9e4927..f58b69e 100644
--- a/src/main/java/com/kexue/skills/mapper/SysUserMapper.java
+++ b/src/main/java/com/kexue/skills/mapper/SysUserMapper.java
@@ -88,4 +88,6 @@ public interface SysUserMapper {
 
     SysUser getBySessionId(String sessionId);
 
+    SysUser getByInviteCode(String inviteCode);
+
 }
diff --git a/src/main/java/com/kexue/skills/service/impl/AccountFrozenServiceImpl.java b/src/main/java/com/kexue/skills/service/impl/AccountFrozenServiceImpl.java
index 38c104d..b3b8154 100644
--- a/src/main/java/com/kexue/skills/service/impl/AccountFrozenServiceImpl.java
+++ b/src/main/java/com/kexue/skills/service/impl/AccountFrozenServiceImpl.java
@@ -16,6 +16,7 @@ import com.kexue.skills.entity.AccountTransaction;
 import com.kexue.skills.mapper.AccountTransactionMapper;
 import com.kexue.skills.common.util.IDUtils;
 import com.kexue.skills.common.ResultCode;
+import com.kexue.skills.config.AccountDeductionProperties;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
@@ -48,6 +49,9 @@ public class AccountFrozenServiceImpl implements AccountFrozenService {
     @Resource
     private AccountTransactionMapper accountTransactionMapper;
 
+    @Resource
+    private AccountDeductionProperties accountDeductionProperties;
+
     /**
      * 创建冻结单
      * @param accountFrozenDto 冻结单DTO
@@ -101,11 +105,12 @@ public class AccountFrozenServiceImpl implements AccountFrozenService {
                     }
 
                     // 总费用（分）
+                    // 注意：因为1分=1积分，所以totalFee直接就是积分数量
                     long totalFee = inputFee + outputFee;
-                    // 转换为元
-                    BigDecimal feeInYuan = BigDecimal.valueOf(totalFee).divide(BigDecimal.valueOf(100));
-                    // 转换为积分（1元=100积分）
-                    finalFrozenAmount = feeInYuan.multiply(BigDecimal.valueOf(100));
+                    // 转换为积分（1分=1积分，无需转换）
+                    BigDecimal baseAmount = BigDecimal.valueOf(totalFee);
+                    // 应用扣费系数
+                    finalFrozenAmount = baseAmount.multiply(accountDeductionProperties.getCoefficient());
                 }
             }
         }
@@ -123,7 +128,7 @@ public class AccountFrozenServiceImpl implements AccountFrozenService {
         account.setUpdateTime(new Date());
         accountMapper.update(account);
 
-        // 6. 创建冻结单
+        // 6. 创建冻结单（单位：积分）
         AccountFrozen accountFrozen = new AccountFrozen();
         accountFrozen.setFrozenId(IDUtils.getSnowflakeIdStr());
         accountFrozen.setUserId(userId);
@@ -199,16 +204,17 @@ public class AccountFrozenServiceImpl implements AccountFrozenService {
                     }
 
                     // 总费用（分）
+                    // 注意：因为1分=1积分，所以totalFee直接就是积分数量
                     long totalFee = inputFee + outputFee;
-                    // 转换为元
-                    BigDecimal feeInYuan = BigDecimal.valueOf(totalFee).divide(BigDecimal.valueOf(100));
-                    // 转换为积分（1元=100积分）
-                    finalAmount = feeInYuan.multiply(BigDecimal.valueOf(100));
+                    // 转换为积分（1分=1积分，无需转换）
+                    BigDecimal baseAmount = BigDecimal.valueOf(totalFee);
+                    // 应用扣费系数
+                    finalAmount = baseAmount.multiply(accountDeductionProperties.getCoefficient());
                 }
             }
         }
 
-        // 7. 更新账户余额和冻结金额
+        // 7. 更新账户余额和冻结金额（单位：积分）
         BigDecimal frozenAmount = account.getFrozenAmount() == null ? BigDecimal.ZERO : account.getFrozenAmount();
         BigDecimal balance = account.getBalance() == null ? BigDecimal.ZERO : account.getBalance();
         BigDecimal beforeBalance = balance;
@@ -240,7 +246,7 @@ public class AccountFrozenServiceImpl implements AccountFrozenService {
         account.setUpdateTime(new Date());
         accountMapper.update(account);
 
-        // 8. 生成流水记录
+        // 8. 生成流水记录（单位：积分）
         if (finalAmount.compareTo(BigDecimal.ZERO) > 0) {
             AccountTransaction transaction = new AccountTransaction();
             transaction.setUserId(accountFrozen.getUserId());
@@ -271,7 +277,7 @@ public class AccountFrozenServiceImpl implements AccountFrozenService {
             accountTransactionMapper.insert(transaction);
         }
 
-        // 9. 更新冻结单状态
+        // 9. 更新冻结单状态（单位：积分）
         accountFrozen.setFinalAmount(finalAmount);
         accountFrozen.setUsageInputTokens(accountReleaseDto.getUsageInputTokens());
         accountFrozen.setUsageOutputTokens(accountReleaseDto.getUsageOutputTokens());
diff --git a/src/main/java/com/kexue/skills/service/impl/SysUserServiceImpl.java b/src/main/java/com/kexue/skills/service/impl/SysUserServiceImpl.java
index 2eb466a..e4e1a16 100644
--- a/src/main/java/com/kexue/skills/service/impl/SysUserServiceImpl.java
+++ b/src/main/java/com/kexue/skills/service/impl/SysUserServiceImpl.java
@@ -27,6 +27,7 @@ import com.kexue.skills.mapper.CmsContentMapper;
 import com.kexue.skills.mapper.SysUserMapper;
 import com.kexue.skills.mapper.SysUserRoleMapper;
 import com.kexue.skills.service.SysUserService;
+import com.kexue.skills.service.AccountService;
 import com.kexue.skills.utils.MD5Util;
 import lombok.extern.slf4j.Slf4j;
 import org.dromara.sms4j.api.SmsBlend;
@@ -76,6 +77,9 @@ public class SysUserServiceImpl implements SysUserService {
     
     @Resource
     private CmsContentMapper cmsContentMapper;
+    
+    @Resource
+    private AccountService accountService;
 
     /**
      * 分页查询数据
@@ -138,6 +142,34 @@ public class SysUserServiceImpl implements SysUserService {
         sysUser.setDeleteFlag(Const.DELETE_FLAG_NO);
         //写一个salt生成方法
         sysUser.setSalt(System.currentTimeMillis()+"");
+        
+        // 生成随机邀请码（8位字母数字组合）
+        if (sysUser.getInviteCode() == null || sysUser.getInviteCode().isEmpty()) {
+            sysUser.setInviteCode(generateInviteCode());
+        }
+        
+        // 处理邀请码
+        if (sysUser.getInvitedCode() != null && !sysUser.getInvitedCode().isEmpty()) {
+            // 验证邀请码是否有效
+            SysUser inviter = sysUserMapper.getByInviteCode(sysUser.getInvitedCode());
+            if (inviter == null) {
+                throw new BizException("邀请码无效");
+            }
+            
+            // 设置邀请人用户ID
+            sysUser.setInvitedBy(inviter.getUserId());
+            
+            // 给邀请人赠送100积分
+            accountService.addGiftBalance(
+                inviter.getUserId(),
+                BigDecimal.valueOf(100),
+                "gift_" + System.currentTimeMillis(),
+                null,
+                "invite",
+                "邀请用户注册赠送"
+            );
+        }
+        
         try {
             // 假设客户端已经对密码进行了一次MD5加密，服务端使用双重加密验证
             String encryptedPwd = MD5Util.doubleEncrypt(sysUser.getPwd(), sysUser.getSalt());
@@ -157,6 +189,16 @@ public class SysUserServiceImpl implements SysUserService {
         account.setDeleteFlag(Const.DELETE_FLAG_NO); // 初始未删除
         accountMapper.insert(account);
         
+        // 注册赠送100积分
+        accountService.addGiftBalance(
+            sysUser.getUserId(),
+            BigDecimal.valueOf(100),
+            "gift_" + System.currentTimeMillis(),
+            null,
+            "register",
+            "注册赠送"
+        );
+        
         // 将返回的用户密码设置为null
         sysUser.setPwd(null);
         return sysUser;
@@ -857,7 +899,7 @@ public class SysUserServiceImpl implements SysUserService {
         
         // 如果用户不存在，自动创建账号
         if (sysUser == null) {
-            sysUser = createUserByPhone(phone);
+            sysUser = createUserByPhone(phone, phoneLoginDto.getInviteCode());
         }
         
         // 检查用户是否已有 token，如果有则使旧 token 失效
@@ -954,15 +996,42 @@ public class SysUserServiceImpl implements SysUserService {
      * 根据手机号创建用户
      * 
      * @param phone 手机号
+     * @param inviteCode 邀请码
      * @return 创建的用户对象
      */
-    private SysUser createUserByPhone(String phone) {
+    private SysUser createUserByPhone(String phone, String inviteCode) {
         SysUser sysUser = new SysUser();
         
         // 设置用户名（使用手机号作为用户名）
         sysUser.setUserName(phone);
         sysUser.setTel(phone);
         
+        // 生成随机邀请码（8位字母数字组合）
+        String generatedInviteCode = generateInviteCode();
+        sysUser.setInviteCode(generatedInviteCode);
+        
+        // 处理邀请码
+        if (inviteCode != null && !inviteCode.isEmpty()) {
+            // 验证邀请码是否有效
+            SysUser inviter = sysUserMapper.getByInviteCode(inviteCode);
+            if (inviter == null) {
+                throw new BizException("邀请码无效");
+            }
+            // 设置被邀请码和邀请人用户ID
+            sysUser.setInvitedCode(inviteCode);
+            sysUser.setInvitedBy(inviter.getUserId());
+            
+            // 给邀请人赠送100积分
+            accountService.addGiftBalance(
+                inviter.getUserId(),
+                BigDecimal.valueOf(100),
+                "gift_" + System.currentTimeMillis(),
+                null,
+                "invite",
+                "邀请用户注册赠送"
+            );
+        }
+        
         // 设置固定salt为666666
         String salt = "666666";
         sysUser.setSalt(salt);
@@ -994,9 +1063,34 @@ public class SysUserServiceImpl implements SysUserService {
         account.setDeleteFlag(Const.DELETE_FLAG_NO);
         accountMapper.insert(account);
         
+        // 注册赠送100积分
+        accountService.addGiftBalance(
+            sysUser.getUserId(),
+            BigDecimal.valueOf(100),
+            "gift_" + System.currentTimeMillis(),
+            null,
+            "register",
+            "注册赠送"
+        );
+        
         return sysUser;
     }
     
+    /**
+     * 生成8位邀请码
+     * 
+     * @return 邀请码
+     */
+    private String generateInviteCode() {
+        String characters = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
+        Random random = new Random();
+        StringBuilder sb = new StringBuilder(8);
+        for (int i = 0; i < 8; i++) {
+            sb.append(characters.charAt(random.nextInt(characters.length())));
+        }
+        return sb.toString();
+    }
+    
     /**
      * 生成随机密码
      * 
diff --git a/src/main/resources/application.yml b/src/main/resources/application.yml
index 2a8738c..91f4fd0 100644
--- a/src/main/resources/application.yml
+++ b/src/main/resources/application.yml
@@ -98,3 +98,9 @@ web:
 snowflake:
   workid: 1  # 机器ID，分布式部署时需要保证唯一
 
+# 账户扣费配置
+account:
+  deduction:
+    # 扣费系数，默认2倍（实际消耗1积分，扣除2积分）
+    coefficient: 2
+
diff --git a/src/main/resources/mapper/SysUserMapper.xml b/src/main/resources/mapper/SysUserMapper.xml
index efde24b..3c0bc9a 100644
--- a/src/main/resources/mapper/SysUserMapper.xml
+++ b/src/main/resources/mapper/SysUserMapper.xml
@@ -15,12 +15,15 @@
         <result property="enable" column="enable" jdbcType="OTHER"/>
         <result property="deleteFlag" column="delete_flag" jdbcType="OTHER"/>
         <result property="sessionId" column="session_id" jdbcType="VARCHAR"/>
+        <result property="inviteCode" column="invite_code" jdbcType="VARCHAR"/>
+        <result property="invitedCode" column="invited_code" jdbcType="VARCHAR"/>
+        <result property="invitedBy" column="invited_by" jdbcType="BIGINT"/>
     </resultMap>
 
     <!--查询单个-->
     <select id="queryById" resultMap="SysUserMap">
         select
-          user_id, user_name, pwd, real_name, tel, email, salt, remark, create_time, enable, delete_flag, session_id
+          user_id, user_name, pwd, real_name, tel, email, salt, remark, create_time, enable, delete_flag, session_id, invite_code, invited_code, invited_by
         from sys_user
         where user_id = #{userId}
     </select>
@@ -28,7 +31,7 @@
     <!--查询指定行数据-->
     <select id="getPageList" resultMap="SysUserMap">
         select
-          user_id, user_name, pwd, real_name, tel, email, salt, remark, create_time, enable, delete_flag, session_id
+          user_id, user_name, pwd, real_name, tel, email, salt, remark, create_time, enable, delete_flag, session_id, invite_code, invited_code, invited_by
         from sys_user
         <where>
             <if test="userId != null">
@@ -70,7 +73,7 @@
     <!--查询指定行数据-->
     <select id="queryAllByLimit" resultMap="SysUserMap">
         select
-          user_id, user_name, pwd, real_name, tel, email, salt, remark, create_time, enable, delete_flag, session_id
+          user_id, user_name, pwd, real_name, tel, email, salt, remark, create_time, enable, delete_flag, session_id, invite_code, invited_code, invited_by
         from sys_user
         limit #{offset}, #{limit}
     </select>
@@ -78,7 +81,7 @@
     <!--通过实体作为筛选条件查询-->
     <select id="queryAll" resultMap="SysUserMap">
         select
-          user_id, user_name, pwd, real_name, tel, email, salt, remark, create_time, enable, delete_flag, session_id
+          user_id, user_name, pwd, real_name, tel, email, salt, remark, create_time, enable, delete_flag, session_id, invite_code, invited_code, invited_by
         from sys_user
         <where>
             <if test="userId != null">
@@ -119,8 +122,8 @@
 
     <!--新增所有列-->
     <insert id="insert" keyProperty="userId" useGeneratedKeys="true">
-        insert into sys_user(user_name, pwd, real_name, tel, email, salt, remark, create_time, enable, delete_flag, session_id)
-        values (#{userName}, #{pwd}, #{realName}, #{tel}, #{email}, #{salt}, #{remark}, #{createTime}, #{enable}, #{deleteFlag}, #{sessionId})
+        insert into sys_user(user_name, pwd, real_name, tel, email, salt, remark, create_time, enable, delete_flag, session_id, invite_code, invited_code, invited_by)
+        values (#{userName}, #{pwd}, #{realName}, #{tel}, #{email}, #{salt}, #{remark}, #{createTime}, #{enable}, #{deleteFlag}, #{sessionId}, #{inviteCode}, #{invitedCode}, #{invitedBy})
     </insert>
     
     
@@ -182,6 +185,15 @@
             <if test="sessionId != null and sessionId != ''">
                 session_id = #{sessionId},
             </if>
+            <if test="inviteCode != null and inviteCode != ''">
+                invite_code = #{inviteCode},
+            </if>
+            <if test="invitedCode != null and invitedCode != ''">
+                invited_code = #{invitedCode},
+            </if>
+            <if test="invitedBy != null">
+                invited_by = #{invitedBy},
+            </if>
         </set>
         where user_id = #{userId}
     </update>
@@ -193,7 +205,7 @@
 
     <select id="getByUsername" resultMap="SysUserMap">
         select
-            user_id, user_name, pwd, real_name, tel, email, salt, remark, create_time, enable, delete_flag, session_id
+            user_id, user_name, pwd, real_name, tel, email, salt, remark, create_time, enable, delete_flag, session_id, invite_code, invited_code, invited_by
         from sys_user
         where (user_name = #{userName} or tel = #{userName})
         and delete_flag = 0
@@ -202,7 +214,7 @@
     
     <select id="getByTel" resultMap="SysUserMap">
         select
-            user_id, user_name, pwd, real_name, tel, email, salt, remark, create_time, enable, delete_flag, session_id
+            user_id, user_name, pwd, real_name, tel, email, salt, remark, create_time, enable, delete_flag, session_id, invite_code, invited_code, invited_by
         from sys_user
         where tel = #{tel}
         and delete_flag = 0
@@ -210,11 +222,20 @@
     </select>
     <select id="getBySessionId" resultMap="SysUserMap">
         select
-            user_id, user_name, pwd, real_name, tel, email, salt, remark, create_time, enable, delete_flag, session_id
+            user_id, user_name, pwd, real_name, tel, email, salt, remark, create_time, enable, delete_flag, session_id, invite_code, invited_code, invited_by
         from sys_user
         where session_id = #{sessionId}
         and delete_flag = 0
         limit 1
     </select>
+    
+    <select id="getByInviteCode" resultMap="SysUserMap">
+        select
+            user_id, user_name, pwd, real_name, tel, email, salt, remark, create_time, enable, delete_flag, session_id, invite_code, invited_code, invited_by
+        from sys_user
+        where invite_code = #{inviteCode}
+        and delete_flag = 0
+        limit 1
+    </select>
 
 </mapper>