add confirm

replay-dashboard.html

@@ -94,9 +94,11 @@ function loadreplays() {
 }
 
 function clearreplays() {
+    if (confirm("确实要清空记录吗？")) {
         var url=$("#http").val() + "://" + $("#ip").val() + ":" + $("#port").val() + "/api/clearlog?callback=?"+ ($("#password").val() ? "&pass="+$("#password").val() : "");
         $.getJSON(url, listreplay);
         $("#open_button").removeClass("btn-success");
+    }
 }
 
 function listreplay(data) {