diff --git a/worker/thirdParty.go b/worker/thirdParty.go
index 5ecb0e4..63cbca1 100644
--- a/worker/thirdParty.go
+++ b/worker/thirdParty.go
@@ -590,7 +590,7 @@ func GetMicroSoftAccessTokenByCode(code string, redirectURI string, clientID str
 	reqData, err := json.Marshal(req)
 
 	log.Println("microsoft request url:", url, "reqData:", string(reqData))
-	err2, respBytes := DoPostRequestJSON(url, reqData, nil)
+	err2, respBytes := DoPostRequestFormUrlEncoded(url, reqData, nil)
 	if err2 != nil {
 		log.Println("microsoft response err:", err2)
 		return resp, err2