diff --git a/app/main/api/internal/logic/agent/applyforagentlogic.go b/app/main/api/internal/logic/agent/applyforagentlogic.go
index 62423aa..1a4b7fa 100644
--- a/app/main/api/internal/logic/agent/applyforagentlogic.go
+++ b/app/main/api/internal/logic/agent/applyforagentlogic.go
@@ -87,6 +87,18 @@ func (l *ApplyForAgentLogic) ApplyForAgent(req *types.AgentApplyReq) (resp *type
 		} else {
 			// 用户已存在
 			if claims != nil && claims.UserType == model.UserTypeTemp {
+				// 临时用户，检查手机号是否已绑定其他微信号
+				userTemp, err := l.svcCtx.UserTempModel.FindOne(l.ctx, claims.UserId)
+				if err != nil {
+					return errors.Wrapf(xerr.NewErrCode(xerr.DB_ERROR), "查询临时用户失败, %v", err)
+				}
+				userAuth, err := l.svcCtx.UserAuthModel.FindOneByUserIdAuthType(l.ctx, user.Id, userTemp.AuthType)
+				if err != nil && !errors.Is(err, model.ErrNotFound) {
+					return errors.Wrapf(xerr.NewErrCode(xerr.DB_ERROR), "查询用户认证失败, %v", err)
+				}
+				if userAuth != nil && userAuth.AuthKey != userTemp.AuthKey {
+					return errors.Wrapf(xerr.NewErrMsg("该手机号已绑定其他微信号"), "")
+				}
 				// 临时用户，转为正式用户
 				err = l.svcCtx.UserService.TempUserBindUser(l.ctx, session, user.Id)
 				if err != nil {
diff --git a/app/main/api/internal/logic/agent/registerbyinvitecodelogic.go b/app/main/api/internal/logic/agent/registerbyinvitecodelogic.go
index 86ab87b..f87b182 100644
--- a/app/main/api/internal/logic/agent/registerbyinvitecodelogic.go
+++ b/app/main/api/internal/logic/agent/registerbyinvitecodelogic.go
@@ -7,6 +7,7 @@ import (
 	"os"
 	"time"
 	"ycc-server/app/main/model"
+	"ycc-server/common/ctxdata"
 	"ycc-server/common/xerr"
 	"ycc-server/pkg/lzkit/crypto"
 
@@ -107,6 +108,29 @@ func (l *RegisterByInviteCodeLogic) RegisterByInviteCode(req *types.RegisterByIn
 			if existingAgent != nil {
 				return errors.Wrapf(xerr.NewErrMsg("您已经是代理"), "")
 			}
+
+			// 如果是临时用户（微信环境下），检查手机号是否已绑定其他微信号，并绑定临时用户到正式用户
+			// 注意：非微信环境下 claims 为 nil，此逻辑不会执行，直接使用已存在的 user.Id
+			claims, err := ctxdata.GetClaimsFromCtx(l.ctx)
+			if err == nil && claims != nil && claims.UserType == model.UserTypeTemp {
+				userTemp, err := l.svcCtx.UserTempModel.FindOne(l.ctx, claims.UserId)
+				if err != nil {
+					return errors.Wrapf(xerr.NewErrCode(xerr.DB_ERROR), "查询临时用户失败, %v", err)
+				}
+				userAuth, err := l.svcCtx.UserAuthModel.FindOneByUserIdAuthType(l.ctx, user.Id, userTemp.AuthType)
+				if err != nil && !errors.Is(err, model.ErrNotFound) {
+					return errors.Wrapf(xerr.NewErrCode(xerr.DB_ERROR), "查询用户认证失败, %v", err)
+				}
+				if userAuth != nil && userAuth.AuthKey != userTemp.AuthKey {
+					return errors.Wrapf(xerr.NewErrMsg("该手机号已绑定其他微信号"), "")
+				}
+				// 绑定临时用户到正式用户
+				err = l.svcCtx.UserService.TempUserBindUser(l.ctx, session, user.Id)
+				if err != nil {
+					return errors.Wrapf(xerr.NewErrCode(xerr.SERVER_COMMON_ERROR), "绑定用户失败: %v", err)
+				}
+			}
+
 			userID = user.Id
 		}
 
@@ -119,9 +143,9 @@ func (l *RegisterByInviteCodeLogic) RegisterByInviteCode(req *types.RegisterByIn
 
 		// 4.3 创建代理记录
 		newAgent := &model.Agent{
-			UserId:  userID,
-			Level:   targetLevel,
-			Mobile:  encryptedMobile,
+			UserId: userID,
+			Level:  targetLevel,
+			Mobile: encryptedMobile,
 		}
 		if req.Region != "" {
 			newAgent.Region = sql.NullString{String: req.Region, Valid: true}
@@ -163,7 +187,7 @@ func (l *RegisterByInviteCodeLogic) RegisterByInviteCode(req *types.RegisterByIn
 			// 建立关系
 			relation := &model.AgentRelation{
 				ParentId:     parentAgent.Id,
-				ChildId:       agentID,
+				ChildId:      agentID,
 				RelationType: 1, // 直接关系
 			}
 			if _, err := l.svcCtx.AgentRelationModel.Insert(transCtx, session, relation); err != nil {