fix version 1

module/ec/mall/internal/logic/store/apply_join.go

@@ -2,9 +2,9 @@ package store
 
 import (
 	"context"
-	"time"
 
 	pb "bsm/full/module/ec/mall/pb"
+	"git.apinb.com/bsm-sdk/core/errcode"
 	"git.apinb.com/bsm-sdk/core/service"
 )
 
@@ -16,14 +16,6 @@ func ApplyJoin(ctx context.Context, in *pb.ApplyJoinRequest) (reply *pb.Identity
 		return nil, err
 	}
 
-	// TODO: valid code
-
-	// TODO: add your logic code & delete this line.
-
-	return &pb.IdentityStatusReply{
-		Code:    0,
-		Message: "OK",
-		Timeseq: time.Now().UnixMilli(),
-	}, nil
-
+	// 该接口尚未实现，显式返回未实现错误，避免调用方误判成功。
+	return nil, errcode.ErrUnimplemented
 }