diff --git a/.travis.yml b/.travis.yml
index 25ab2393e..0c936bf7e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -18,8 +18,6 @@ script:
 - echo $TRAVIS_JOB_NUMBER
 - echo $TRAVIS_BRANCH
 - echo $TRAVIS_COMMIT_MESSAGE
-- echo $USERNAME
-- echo $PASSWORD
 - echo $GITHUB_TOKEN
 - git log --pretty=format:"%s %b" -2
 
diff --git a/travis.pl b/travis.pl
index 9478ab275..6fb7708f4 100644
--- a/travis.pl
+++ b/travis.pl
@@ -129,9 +129,14 @@ sub check_pr_format{
             $check_result_str .= "> **PR FORMAT CORRECT**";
             send_back_comment("$check_result_str"); 
         }else{
-            $check_result_str .= "> **PR FORMAT ERROR** : $checkrst";
-            send_back_comment("$check_result_str"); 
-            return 1;
+            if($checkrst =~ /milestone/ || $checkrst =~ /labels/){
+                $check_result_str .= "> **PR FORMAT WARNING** : $checkrst";
+                send_back_comment("$check_result_str");
+            }else{
+                $check_result_str .= "> **PR FORMAT ERROR** : $checkrst";
+                send_back_comment("$check_result_str"); 
+                return 1;
+            }
         }
     }
     return 0;