token issue

third_part/WeChat.go

@@ -223,6 +223,7 @@ func GetAccessToken() string {
 	if accessToken == "" {
 		log.Println("get access_token from remote API")
 		accessToken = GetRemoteToken(WecomCid, WecomSecret)
+		global.WechatAccessToken = accessToken
 	} else {
 		log.Println("get access_token from redis")
 	}
@@ -296,7 +297,6 @@ func SendPicFile(toUser string, filename string) {
 		if tokenValid {
 			break
 		}
-
 		accessToken = GetAccessToken()
 	}