diff --git a/models/ai_model_manage.go b/models/ai_model_manage.go
index 233e77215..59f4fc625 100644
--- a/models/ai_model_manage.go
+++ b/models/ai_model_manage.go
@@ -381,6 +381,22 @@ func QueryModel(opts *AiModelQueryOptions) ([]*AiModelManage, int64, error) {
 	return aiModelManages, count, nil
 }
 
+func QueryModelConvertByRepoID(repoId int64) ([]*AiModelConvert, error) {
+	sess := x.NewSession()
+	defer sess.Close()
+	var cond = builder.NewCond()
+	cond = cond.And(
+		builder.Eq{"ai_model_convert.repo_id": repoId},
+	)
+	sess.OrderBy("ai_model_convert.created_unix DESC")
+	aiModelManageConvert := make([]*AiModelConvert, 0)
+	if err := sess.Table(new(AiModelConvert)).Where(cond).
+		Find(&aiModelManageConvert); err != nil {
+		return nil, fmt.Errorf("Find: %v", err)
+	}
+	return aiModelManageConvert, nil
+}
+
 func QueryModelConvert(opts *AiModelQueryOptions) ([]*AiModelConvert, int64, error) {
 	sess := x.NewSession()
 	defer sess.Close()
diff --git a/options/locale/locale_en-US.ini b/options/locale/locale_en-US.ini
index 0f9e07f1b..8196ddfcd 100755
--- a/options/locale/locale_en-US.ini
+++ b/options/locale/locale_en-US.ini
@@ -1220,6 +1220,11 @@ model.convert=Model Transformation
 model.list=Model List
 model.manage.create_new_convert_task=Create Model Transformation Task
 
+modelconvert.manage.create_error1=A model transformation task with the same name already exists.
+modelconvert.manage.create_error2=Only one running model transformation task can be created.
+modelconvert.manage.model_not_exist=The model does not exist.
+modelconvert.manage.no_operate_right=No operation permission.
+
 grampus.train_job.ai_center = AI Center
 grampus.dataset_path_rule = The code is storaged in /cache/code;the dataset is storaged in /cache/dataset;and please put your model into /cache/output, then you can download it online。
 grampus.gpu_dataset_path_rule = The code is storaged in /tmp/code;the dataset is storaged in /tmp/dataset;and please put your model into /tmp/output, then you can download it online。
diff --git a/options/locale/locale_zh-CN.ini b/options/locale/locale_zh-CN.ini
index 74e77401a..8fc84c0dd 100755
--- a/options/locale/locale_zh-CN.ini
+++ b/options/locale/locale_zh-CN.ini
@@ -1232,6 +1232,11 @@ model.convert=模型转换任务
 model.list=模型列表
 model.manage.create_new_convert_task=创建模型转换任务
 
+modelconvert.manage.create_error1=相同的名称模型转换任务已经存在。
+modelconvert.manage.create_error2=只能创建一个在运行的模型转换任务。
+modelconvert.manage.model_not_exist=模型不存在。
+modelconvert.manage.no_operate_right=无操作权限。
+
 grampus.train_job.ai_center=智算中心
 grampus.dataset_path_rule = 训练脚本存储在/cache/code中，数据集存储在/cache/dataset中，训练输出请存储在/cache/output中以供后续下载。
 grampus.gpu_dataset_path_rule = 训练脚本存储在/tmp/code中，数据集存储在/tmp/dataset中，训练输出请存储在/tmp/output中以供后续下载。
diff --git a/routers/repo/ai_model_convert.go b/routers/repo/ai_model_convert.go
index a7b734bca..91ffb3df7 100644
--- a/routers/repo/ai_model_convert.go
+++ b/routers/repo/ai_model_convert.go
@@ -71,7 +71,10 @@ var (
 func SaveModelConvert(ctx *context.Context) {
 	log.Info("save model convert start.")
 	if !ctx.Repo.CanWrite(models.UnitTypeModelManage) {
-		ctx.JSON(403, ctx.Tr("repo.model_noright"))
+		ctx.JSON(200, map[string]string{
+			"result_code": "1",
+			"message":     "No right to create task.",
+		})
 		return
 	}
 	name := ctx.Query("name")
@@ -87,10 +90,26 @@ func SaveModelConvert(ctx *context.Context) {
 	task, err := models.QueryModelById(modelId)
 	if err != nil {
 		log.Error("no such model!", err.Error())
-		ctx.ServerError("no such model:", err)
+		ctx.JSON(200, map[string]string{
+			"result_code": "1",
+			"message":     "No such model.",
+		})
 		return
 	}
 
+	convertList, err := models.QueryModelConvertByRepoID(ctx.Repo.Repository.ID)
+	if err == nil {
+		for _, convert := range convertList {
+			if convert.Name == name {
+				ctx.JSON(200, map[string]string{
+					"result_code": "1",
+					"message":     ctx.Tr("modelconvert.manage.create_error1"),
+				})
+				return
+			}
+		}
+	}
+
 	uuid := uuid.NewV4()
 	id := uuid.String()
 	modelConvert := &models.AiModelConvert{