From 88b8f6ed836f2675ad562c27cb759ee20848d824 Mon Sep 17 00:00:00 2001
From: maliming <malimings@gmail.com>
Date: Wed, 4 Mar 2020 09:18:39 +0800
Subject: [PATCH] Check if authorizationPolicy is null.

---
 .../Authorization/MethodInvocationAuthorizationService.cs    | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/framework/src/Volo.Abp.Authorization/Volo/Abp/Authorization/MethodInvocationAuthorizationService.cs b/framework/src/Volo.Abp.Authorization/Volo/Abp/Authorization/MethodInvocationAuthorizationService.cs
index 32fd611b9a..6293c0d034 100644
--- a/framework/src/Volo.Abp.Authorization/Volo/Abp/Authorization/MethodInvocationAuthorizationService.cs
+++ b/framework/src/Volo.Abp.Authorization/Volo/Abp/Authorization/MethodInvocationAuthorizationService.cs
@@ -29,6 +29,11 @@ namespace Volo.Abp.Authorization
 
             var authorizationPolicy = await AuthorizationPolicy.CombineAsync(_abpAuthorizationPolicyProvider,
                 GetAuthorizationDataAttributes(context.Method));
+            if (authorizationPolicy == null)
+            {
+                return;
+            }
+            
             await _abpAuthorizationService.CheckAsync(authorizationPolicy);
         }