倒计时js @review by 王成龙

@@ -11,3 +11,19 @@
 {{/ resetSuccess}}
 </div>
 {{> layout/footer}} 
+<script type="text/javascript">
+    (function() {
+        var count = 5,
+            countDown = document.getElementById('count-down');
+
+        
+        var timer = setInterval(function(){
+            if (count > 1) {
+                count--;
+                countDown.innerHTML = count;
+            } else {
+                location.href = '/';
+            }
+        }, 1000);
+    })();
+</script>
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