diff --git a/src/main/java/me/zhyd/oauth/request/AbstractAuthMicrosoftRequest.java b/src/main/java/me/zhyd/oauth/request/AbstractAuthMicrosoftRequest.java
index cfd25b1..1bc88ec 100644
--- a/src/main/java/me/zhyd/oauth/request/AbstractAuthMicrosoftRequest.java
+++ b/src/main/java/me/zhyd/oauth/request/AbstractAuthMicrosoftRequest.java
@@ -54,6 +54,13 @@ public abstract class AbstractAuthMicrosoftRequest extends AuthDefaultRequest {
 
         Map<String, String> form = MapUtil.parseStringToMap(accessTokenUrl, false);
 
+        //scope在微软最新的文档中要求必须用空格隔开,form构建时候空格会被强制转换为%20,所以此处重新覆盖
+        String scope = form.get("scope");
+        if (scope != null){
+            String replace = scope.replaceAll("%20"," ");
+            form.put("scope",replace);
+        }
+
         String response = new HttpUtils(config.getHttpConfig()).post(accessTokenUrl, form, httpHeader, false).getBody();
         JSONObject accessTokenObject = JSONObject.parseObject(response);