diff --git a/assets/css/netscope.css b/assets/css/netscope.css
index b2efd7f..6c14544 100644
--- a/assets/css/netscope.css
+++ b/assets/css/netscope.css
@@ -15,6 +15,8 @@ h1, h2, h3 {
 /* Layout */
 
 #master-container {
+    //Can't comment out height：100%
+    height: 100%;
     /*overflow: hidden;
     height: 100%;
     width: 100%;*/
@@ -222,4 +224,4 @@ h1, h2, h3 {
     padding-top:5px;
     margin-top:10px;
     border-top: 1px dotted #52637D;
-}
\ No newline at end of file
+}