diff --git a/internal/apiresp/resp.go b/internal/apiresp/resp.go
index 4e9f72f26..d879a4683 100644
--- a/internal/apiresp/resp.go
+++ b/internal/apiresp/resp.go
@@ -1,10 +1,15 @@
 package apiresp
 
+import (
+	"OpenIM/pkg/errs"
+	"fmt"
+)
+
 type apiResponse struct {
 	ErrCode int    `json:"errCode"`
 	ErrMsg  string `json:"errMsg"`
 	ErrDlt  string `json:"errDlt"`
-	Data    any    `json:"data"`
+	Data    any    `json:"data,omitempty"`
 }
 
 func apiSuccess(data any) *apiResponse {
@@ -14,5 +19,13 @@ func apiSuccess(data any) *apiResponse {
 }
 
 func apiError(err error) *apiResponse {
-	return &apiResponse{ErrCode: 10000, ErrMsg: err.Error()}
+	unwrap := errs.Unwrap(err)
+	var dlt string
+	if unwrap != err {
+		dlt = fmt.Sprintf("%+v", dlt)
+	}
+	if codeErr, ok := unwrap.(errs.CodeError); ok {
+		return &apiResponse{ErrCode: codeErr.Code(), ErrMsg: codeErr.Msg(), ErrDlt: dlt}
+	}
+	return &apiResponse{ErrCode: errs.ServerInternalError, ErrMsg: err.Error(), ErrDlt: dlt}
 }
diff --git a/pkg/common/db/relation/mysql_init.go b/pkg/common/db/relation/mysql_init.go
index 628c695a4..6fa697537 100644
--- a/pkg/common/db/relation/mysql_init.go
+++ b/pkg/common/db/relation/mysql_init.go
@@ -7,6 +7,7 @@ import (
 	"OpenIM/pkg/errs"
 	"context"
 	"fmt"
+	mysqlDriver "github.com/go-sql-driver/mysql"
 	"gorm.io/driver/mysql"
 	"strings"
 	"time"
@@ -65,9 +66,24 @@ func newMysqlGormDB() (*gorm.DB, error) {
 // gorm mysql
 func NewGormDB() (*gorm.DB, error) {
 	specialerror.AddReplace(gorm.ErrRecordNotFound, errs.ErrRecordNotFound)
+	specialerror.AddErrHandler(replaceDuplicateKey)
 	return newMysqlGormDB()
 }
 
+func replaceDuplicateKey(err error) errs.CodeError {
+	if IsMysqlDuplicateKey(err) {
+		return errs.ErrDuplicateKey
+	}
+	return nil
+}
+
+func IsMysqlDuplicateKey(err error) bool {
+	if mysqlErr, ok := err.(*mysqlDriver.MySQLError); ok {
+		return mysqlErr.Number == 1062
+	}
+	return false
+}
+
 type Writer struct{}
 
 func (w Writer) Printf(format string, args ...interface{}) {
diff --git a/pkg/errs/code.go b/pkg/errs/code.go
index b8cad6ffc..965d1353d 100644
--- a/pkg/errs/code.go
+++ b/pkg/errs/code.go
@@ -40,6 +40,8 @@ const (
 	CallbackError = 80000
 )
 
+const DuplicateKeyError = 12345
+
 // 账号错误码
 const (
 	UserIDNotFoundError  = 91001 //UserID不存在 或未注册
diff --git a/pkg/errs/predefine.go b/pkg/errs/predefine.go
index d495fa183..e18cdf4eb 100644
--- a/pkg/errs/predefine.go
+++ b/pkg/errs/predefine.go
@@ -41,6 +41,7 @@ var (
 	ErrTokenNotExist            = NewCodeError(TokenNotExistError, "TokenNotExistError") //在redis中不存在
 	ErrTokenDifferentPlatformID = NewCodeError(TokenDifferentPlatformIDError, "TokenDifferentPlatformIDError")
 	ErrTokenDifferentUserID     = NewCodeError(TokenDifferentUserIDError, "TokenDifferentUserIDError")
+	ErrDuplicateKey             = NewCodeError(DuplicateKeyError, "DuplicateKeyError")
 
 	ErrMessageHasReadDisable = NewCodeError(MessageHasReadDisable, "MessageHasReadDisable")