diff --git a/web/cis.cc b/web/cis.cc
index 90c8ba3f89d63cdfc88b846f40b874e7e27457a4..cc42a360a1f67679a68b29a47fe57fb1db6cb004 100644
--- a/web/cis.cc
+++ b/web/cis.cc
@@ -1,11 +1,11 @@
 // This is a DEMO. You may use any C++17 syntax here. 
 
-// 先用这种语法定义每一个单独的Activity。
+// 先演示一下定义一个Activity的正常语法。
 //                  (ActivityName,   ClassName_In_Our_Code            , DependencyEntityName)
 Activity HaveASleep ("HaveASleep", "FleetAGC.Activities.DelayActivity", "");
 HaveASleep.addInputSetting("Timespan", "60");
 
-// 不想把上面的定义复制粘贴很多遍。那就偷个懒。
+// 但是如果你要定义很多很多Activity，建议用这种方法偷懒。
 #define DEFINE_ACTIVITY(name, entityName) \
         Activity name (#name, "FleetAGC.Activities.DelayActivity", entityName); \
         name.addInputSetting("Timespan", "60");
@@ -25,7 +25,7 @@ DEFINE_ACTIVITY(ODFBSyncClient, "M365Poc.SPO.ODFBSyncClient")
 // 把定义好的Activity组合一下，其中箭头表示串行，竖线表示并行。
 auto block1 = GridManager >> FarmsAndTennats >> (CSC | FastSearch);
 auto block2 = Microservices | MonitorAndAlert;
-auto completeFlow = block1 | AuthAndProvision | block2 | SPOTooling | UXCDNFailover | ODFBSyncClient;
+auto completeFlow = block1 | AuthAndProvision | block2 >> SPOTooling | UXCDNFailover | ODFBSyncClient;
 
 // 最后指定一下workflow的名字就可以了。
 println(completeFlow.generateXaml("FleetAGC.Workflows.SPOBuildoutPOCWorkflow"));
diff --git a/web/index.php b/web/index.php
index 9715e647369101a919ce7f78e5bcaed59ea88929..b7d8b50947f3a82f9c7a2544ce38df31abc27d24 100644
--- a/web/index.php
+++ b/web/index.php
@@ -18,7 +18,7 @@ $temp_path = 'cis.cc';
 function showform($content) {
     global $demo_path;
     echo("<form action='index.php' id='subm' method='post'><input type='submit'><br /><br />");
-    echo('<textarea id="txa_content" name="content" form="subm" rows="50" cols="60">');
+    echo('<textarea id="txa_content" name="content" form="subm">');
     if($content == '') {
         $content = file_get_contents($demo_path);
         $content = htmlentities($content, ENT_QUOTES);
@@ -51,7 +51,7 @@ else {
     <script>
         var editor = CodeMirror.fromTextArea(document.getElementById("txa_content"), {
           lineNumbers: true,
-//          extraKeys: {"Ctrl-Space": "autocomplete"},
+          matchBrackets: true,
           mode: "text/x-c++src", 
         });
     </script>