map panic issue

main.go

@@ -3,6 +3,7 @@ package main
 import (
 	"WechatGateWay/global"
 	"WechatGateWay/handle"
+	"WechatGateWay/third_part"
 	"fmt"
 	"github.com/spf13/viper"
 	"log"
@@ -28,7 +29,7 @@ func init() {
 	global.WechatSendAid = viper.GetString("wechat.SendAid")
 	// receive_id 企业应用的回调，表示corpid
 	global.WxCrypt = global.NewWXBizMsgCrypt(global.WechatToken, global.WechatEncodingAesKey, global.WechatCorpId, global.XmlType)
-	//go third_part.GetRemoteToken(global.WechatCorpId, global.WechatSendSecret)
+	third_part.GetRemoteToken(global.WechatCorpId, global.WechatSendSecret)
 	log.Println("server init success")
 }
 func main() {

third_part/WeChat.go

@@ -50,13 +50,17 @@ func GetRemoteToken(corpId, appSecret string) string {
 	}
 	resp.Body.Close()
 	tokenResponse := utils.ParseJson(string(respData))
-	//log.Println("企业微信获取access_token接口返回==>", tokenResponse)
-	accessToken := tokenResponse["access_token"].(string)
 
+	var accessToken string
+	_, ok := tokenResponse["access_token"]
+	if ok {
+		accessToken = fmt.Sprintf("%s", tokenResponse["access_token"])
 		//存到gloabl
 		global.WechatAccessToken = accessToken
 		log.Println("WechatAccessToken已更新")
+	}
 	return accessToken
+
 }
 
 // PostMsg 推送消息