diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index b0c2ba261..f4cfa7689 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -5,6 +5,9 @@ on:
         branches:
             - master
             - 2refactory
+    pull_request:
+        branches:
+            - master
 
 jobs:
     build:
@@ -37,4 +40,4 @@ jobs:
             - name: Test
               run: |
                 cd test/SuperSocket.Tests
-                dotnet test
\ No newline at end of file
+                dotnet test