diff --git a/backend/core/models/common/string_int64.go b/backend/core/models/common/string_int64.go
new file mode 100644
index 00000000000..479996d40a0
--- /dev/null
+++ b/backend/core/models/common/string_int64.go
@@ -0,0 +1,78 @@
+/*
+Licensed to the Apache Software Foundation (ASF) under one or more
+contributor license agreements.  See the NOTICE file distributed with
+this work for additional information regarding copyright ownership.
+The ASF licenses this file to You under the Apache License, Version 2.0
+(the "License"); you may not use this file except in compliance with
+the License.  You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package common
+
+import (
+	"database/sql/driver"
+	"encoding/json"
+	"fmt"
+	"github.com/spf13/cast"
+)
+
+type StringInt64 struct {
+	v int64
+}
+
+func NewStringInt64FromAny(f interface{}) *StringInt64 {
+	return &StringInt64{
+		v: cast.ToInt64(f),
+	}
+}
+
+func (f *StringInt64) MarshalJSON() ([]byte, error) {
+	return json.Marshal(f.v)
+}
+
+func (f *StringInt64) String() string {
+	return fmt.Sprintf("%v", f.v)
+}
+
+func (f *StringInt64) UnmarshalJSON(data []byte) error {
+	var i interface{}
+	if err := json.Unmarshal(data, &i); err != nil {
+		return err
+	}
+	if v, ok := i.(string); ok && v == "" {
+		return nil
+	}
+	value, err := cast.ToInt64E(i)
+	if err != nil {
+		return err
+	}
+	f.v = value
+	return nil
+}
+
+func (f *StringInt64) Value() (driver.Value, error) {
+	if f == nil {
+		return nil, nil
+	}
+	return f.v, nil
+}
+
+func (f *StringInt64) Scan(v interface{}) error {
+	int64value, err := cast.ToInt64E(v)
+	if err != nil {
+		return err
+
+	}
+	*f = StringInt64{
+		v: int64value,
+	}
+	return nil
+}
diff --git a/backend/helpers/pluginhelper/api/graphql_collector.go b/backend/helpers/pluginhelper/api/graphql_collector.go
index a41eef950e6..d0adbbabb54 100644
--- a/backend/helpers/pluginhelper/api/graphql_collector.go
+++ b/backend/helpers/pluginhelper/api/graphql_collector.go
@@ -90,7 +90,7 @@ type GraphqlCollector struct {
 	workerErrors []error
 }
 
-// ErrFinishCollect is a error which will finish this collector
+// ErrFinishCollect is an error which will finish this collector
 var ErrFinishCollect = errors.Default.New("finish collect")
 
 // NewGraphqlCollector allocates a new GraphqlCollector with the given args.
diff --git a/backend/plugins/zentao/models/task.go b/backend/plugins/zentao/models/task.go
index 494d64aa910..e5d9d14fed2 100644
--- a/backend/plugins/zentao/models/task.go
+++ b/backend/plugins/zentao/models/task.go
@@ -75,7 +75,7 @@ type ZentaoTaskRes struct {
 	V1             string              `json:"v1"`
 	V2             string              `json:"v2"`
 	Vision         string              `json:"vision"`
-	StoryID        int64               `json:"storyID"`
+	StoryID        *common.StringInt64 `json:"storyID"`
 	StoryTitle     string              `json:"storyTitle"`
 	Branch         interface {
 	} `json:"branch"`