diff --git a/WebContent/demo/mock.plugin/casebox/case1_seajs_jquery_preload.html b/WebContent/demo/mock.plugin/casebox/case1_seajs_jquery_preload.html
new file mode 100644
index 0000000..517d49e
--- /dev/null
+++ b/WebContent/demo/mock.plugin/casebox/case1_seajs_jquery_preload.html
@@ -0,0 +1,60 @@
+<!DOCTYPE html>
+<html>
+<head lang="en">
+    <meta charset="UTF-8">
+    <title></title>
+    <script src="http://style.aliunicorn.com/js/6v/atom/atom-sc.js"></script>
+    <script type="text/javascript" src="http://rap.alibaba-inc.com/rap.plugin.js?projectId=306&mode=3"></script>
+</head>
+<body>
+<div class="row row-990 wrapper">
+    <div id="newFastFeedback" class="fastfeedback-content"></div>
+    <p>
+    RAP plugin case1: seajs jquery preload issue.
+    </p>
+    <p>LOG:</p>
+    <pre id="preResult"></pre>
+</div>
+
+<script>
+	// 这里的代码封装到一个脚本中，紧接着RAP插件执行。
+
+	!function() {
+		var oldSeajsUse = seajs.use;
+		var initialized = false;
+		seajs.use = function() {
+			var handler = arguments[arguments.length - 1];
+			arguments[arguments.length - 1] = function() {
+				if (!initialized) {
+					wrapJQueryForRAP(arguments[0]);
+					initialized = true;
+				}
+				handler.apply(this, arguments);
+			};
+			oldSeajsUse.apply(seajs, arguments);
+		}
+	}();
+
+</script>
+<script>
+	function log() {
+		var ele = document.getElementById('preResult');
+		ele.innerHTML += [].join.call(arguments, ': ') + "\n";
+	}
+
+
+    seajs.use('$',function($){
+
+        $.ajax({
+            dataType: 'jsonp',
+            url: 'http://cn.message.alibaba.com/msgsend/productInfo.htm',
+            data: {sourceID:'1907157359'},
+            success: function(result){
+                console.info(result);
+                log('result:', JSON.stringify(result, null, 4));
+            }
+        });
+    });
+</script>
+</body>
+</html>
\ No newline at end of file
diff --git a/WebContent/stat/js/util/mock.plugin.js b/WebContent/stat/js/util/mock.plugin.js
index 6e7b31c..4ca4bbc 100644
--- a/WebContent/stat/js/util/mock.plugin.js
+++ b/WebContent/stat/js/util/mock.plugin.js
@@ -227,15 +227,6 @@
     }
 
     if (window.seajs && window.define && window.define.cmd) {
-    	// 删除已经加载的jquery缓存
-        var cache = seajs.cache || {};
-        for(var prop in cache) {
-        	prop = prop.toLowerCase();
-        	if (prop.indexOf('jquery') != -1) {
-        		delete cache[prop];
-        	}
-        }
-        
         var data = seajs.config().data;
         data.alias = data.alias || {};
         var path = 'http://' + ROOT + '/stat/js/util/jquery-rapped.js';
