diff --git a/src/main/resources/static/js/common.js b/src/main/resources/static/js/common.js
index 46be523..a6db1ed 100644
--- a/src/main/resources/static/js/common.js
+++ b/src/main/resources/static/js/common.js
@@ -1,34 +1,36 @@
+Array.prototype.indexOf = function (val) {
+    for (var i = 0; i < this.length; i++) {
+        if (this[i] == val) return i;
+    }
+    return -1;
+};
+
+Array.prototype.remove = function (val) {
+    var index = this.indexOf(val);
+    if (index > -1) {
+        this.splice(index, 1);
+    }
+};
+
 var token = localStorage.getItem("token");
 if (token) {
-    $.get("/user/isLogin", { "token": token}, function (data) {
-        if(data.code != 1){//未登录
+    $.get("/user/isLogin", {"token": token}, function (data) {
+        if (data.code != 1) {//未登录
             localStorage.removeItem("token");
-        }})
+        }
+    })
+}
+
+
+function readHistory() {
+
+    var books = localStorage.getItem("historyBooks");
+    var bookIds = "-1929";
+    if (books) {
+        bookIds = JSON.parse(localStorage.getItem("historyBooks")).join(",");
     }
-    Array.prototype.indexOf = function (val) {
-        for (var i = 0; i < this.length; i++) {
-            if (this[i] == val) return i;
-        }
-        return -1;
-    };
-
-    Array.prototype.remove = function (val) {
-        var index = this.indexOf(val);
-        if (index > -1) {
-            this.splice(index, 1);
-        }
-    };
-
-
-    function readHistory() {
-
-        var books = localStorage.getItem("historyBooks");
-        var bookIds = "-1929";
-        if (books) {
-            bookIds = JSON.parse(localStorage.getItem("historyBooks")).join(",");
-        }
-        window.location.href = "/book/search?historyBookIds=" + bookIds;
-    };
+    window.location.href = "/book/search?historyBookIds=" + bookIds;
+};