diff --git a/conf/corp/1002.json b/conf/corp/1002.json
index e528339..3939728 100644
--- a/conf/corp/1002.json
+++ b/conf/corp/1002.json
@@ -12,10 +12,6 @@
     {
       "name": "公积金扣除",
       "key": "house_deduct"
-    },
-    {
-      "name": "绩效目标",
-      "key": "perft_target"
     }
   ]
 }
diff --git a/server/service/staff_user.go b/server/service/staff_user.go
index 713ca38..ae286ea 100644
--- a/server/service/staff_user.go
+++ b/server/service/staff_user.go
@@ -172,6 +172,9 @@ func (s *StaffUser) Update(sess *session.AdminSession, req *api.StaffUpdateReq)
 	if len(req.Config) != 0 {
 		var cfg map[string]interface{}
 		json.Unmarshal([]byte(staffUser.Config), &cfg)
+		if cfg == nil {
+			cfg = make(map[string]interface{})
+		}
 		for k, v := range req.Config {
 			cfg[k] = v
 		}