fix: test case issue

backend/main.go

@@ -2,9 +2,14 @@ package main
 
 import (
 	"github.com/crawlab-team/crawlab/core/cmd"
+	"github.com/crawlab-team/crawlab/core/config"
 	"github.com/crawlab-team/crawlab/core/utils"
 )
 
+func init() {
+	config.InitConfig()
+}
+
 func main() {
 	go func() {
 		err := cmd.Execute()