diff --git a/app/main/api/internal/logic/user/bindmobilelogic.go b/app/main/api/internal/logic/user/bindmobilelogic.go
index c8e96a0..db8aa05 100644
--- a/app/main/api/internal/logic/user/bindmobilelogic.go
+++ b/app/main/api/internal/logic/user/bindmobilelogic.go
@@ -63,6 +63,17 @@ func (l *BindMobileLogic) BindMobile(req *types.BindMobileReq) (resp *types.Bind
 		// 进行平台绑定
 		if claims != nil {
 			if claims.UserType == model.UserTypeTemp {
+				userTemp, err := l.svcCtx.UserTempModel.FindOne(l.ctx, claims.UserId)
+				if err != nil {
+					return nil, errors.Wrapf(xerr.NewErrCode(xerr.DB_ERROR), "绑定手机号, 读取临时用户失败: %v", err)
+				}
+				userAuth, err := l.svcCtx.UserAuthModel.FindOneByUserIdAuthType(l.ctx, user.Id, userTemp.AuthType)
+				if err != nil && !errors.Is(err, model.ErrNotFound) {
+					return nil, errors.Wrapf(xerr.NewErrCode(xerr.DB_ERROR), "绑定手机号, 读取用户认证失败: %v", err)
+				}
+				if userAuth != nil && userAuth.AuthKey != userTemp.AuthKey {
+					return nil, errors.Wrapf(xerr.NewErrMsg("该手机号已绑定其他微信号"), "绑定手机号, 临时用户已注册: %s", encryptedMobile)
+				}
 				err = l.svcCtx.UserService.TempUserBindUser(l.ctx, nil, user.Id)
 				if err != nil {
 					return nil, errors.Wrapf(xerr.NewErrCode(xerr.SERVER_COMMON_ERROR), "绑定手机号, 临时用户绑定用户失败: %+v", err)
diff --git a/pkg/lzkit/crypto/ecb_test.go b/pkg/lzkit/crypto/ecb_test.go
index bf49ed5..f7cb2f2 100644
--- a/pkg/lzkit/crypto/ecb_test.go
+++ b/pkg/lzkit/crypto/ecb_test.go
@@ -9,7 +9,7 @@ import (
 
 func TestAesEcbMobileEncryption(t *testing.T) {
 	// 测试手机号加密
-	mobile := "17776203797 "
+	mobile := "18653052547"
 	key := []byte("ff83609b2b24fc73196aac3d3dfb874f") // 16字节AES-128密钥
 
 	keyStr := hex.EncodeToString(key)