diff --git a/backend/conf/config.yml b/backend/conf/config.yml
index 9fb0dee5..6f8652f8 100644
--- a/backend/conf/config.yml
+++ b/backend/conf/config.yml
@@ -34,7 +34,7 @@ spider:
 task:
   workers: 4
 other:
-  tmppath: "/tmp"
+  tmppath: "./tmp"
 version: 0.4.3
 setting:
   allowRegister: "N"
diff --git a/backend/routes/system.go b/backend/routes/system.go
index b4e130a9..8c443d2a 100644
--- a/backend/routes/system.go
+++ b/backend/routes/system.go
@@ -259,6 +259,7 @@ func GetDepJson(c *gin.Context) {
 		_dep, err := services.FetchPythonDepInfo(depName)
 		if err != nil {
 			HandleError(http.StatusInternalServerError, c, err)
+			return
 		}
 		dep = _dep
 	} else {
diff --git a/backend/services/system.go b/backend/services/system.go
index 12b8744c..6181afee 100644
--- a/backend/services/system.go
+++ b/backend/services/system.go
@@ -251,6 +251,9 @@ func FetchPythonDepInfo(depName string) (entity.Dependency, error) {
 		return entity.Dependency{}, err
 	}
 	var data PythonDepJsonData
+	if res.Response().StatusCode == 404 {
+		return entity.Dependency{}, errors.New("get depName from [https://pypi.org] error: 404")
+	}
 	if err := res.ToJSON(&data); err != nil {
 		log.Errorf(err.Error())
 		debug.PrintStack()