fix: case1: GResponse is nil

change: actives.yaml restart to 65s

actives.yaml

@@ -20,4 +20,4 @@ switch:
   192.168.6.100:8091: 
     group: ["10.10.10.92", "10.10.10.93"] # 三亚
     city: "4602"
-restart: 50
+restart: 65

dip.go

@@ -77,7 +77,10 @@ func (group *DIPGroup) Choose(addr string) {
 			if resp, err := requests.NewSession().Get(restartAddr).Execute(); err != nil {
 				log.Println(err)
 				group.Current.ActiveTime += 12
-				defer resp.GResponse.Body.Close()
+				if resp.GResponse != nil {
+					defer resp.GResponse.Body.Close()
+				}
+
 			} else {
 				defer resp.GResponse.Body.Close()
 				group.Current = dhost