SCB-2397 Set the maximum parallel of jobs
diff --git a/.github/workflows/master-pr-build.yaml b/.github/workflows/master-pr-build.yaml
index 59453b2..1ae94ef 100644
--- a/.github/workflows/master-pr-build.yaml
+++ b/.github/workflows/master-pr-build.yaml
@@ -34,6 +34,7 @@
       matrix:
         java: [ '8', '11' ]
       fail-fast: false
+      max-parallel: 1
     steps:
       - uses: actions/checkout@v2
         with:
diff --git a/pom.xml b/pom.xml
index b64b36c..2f1c39f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -66,7 +66,6 @@
     <maven-javadoc-plugin.version>2.9.1</maven-javadoc-plugin.version>
     <maven-release-plugin.version>2.5.3</maven-release-plugin.version>
     <maven.failsafe.version>2.19.1</maven.failsafe.version>
-    <docker.allContainers>true</docker.allContainers>
   </properties>
 
   <name>Apache ServiceComb Pack</name>