diff --git a/src/assets/scripts/closebrackets.js b/src/assets/scripts/closebrackets.js
index 1434e64..88fc701 100644
--- a/src/assets/scripts/closebrackets.js
+++ b/src/assets/scripts/closebrackets.js
@@ -11,21 +11,21 @@ import CodeMirror from "codemirror/lib/codemirror";
 
     var Pos = CodeMirror.Pos;
 
-    CodeMirror.defineOption("autoCloseBrackets", false, function (
-        cm,
-        val,
-        old
-    ) {
-        if (old && old != CodeMirror.Init) {
-            cm.removeKeyMap(keyMap);
-            cm.state.closeBrackets = null;
+    CodeMirror.defineOption(
+        "autoCloseBrackets",
+        false,
+        function (cm, val, old) {
+            if (old && old != CodeMirror.Init) {
+                cm.removeKeyMap(keyMap);
+                cm.state.closeBrackets = null;
+            }
+            if (val) {
+                ensureBound(getOption(val, "pairs"));
+                cm.state.closeBrackets = val;
+                cm.addKeyMap(keyMap);
+            }
         }
-        if (val) {
-            ensureBound(getOption(val, "pairs"));
-            cm.state.closeBrackets = val;
-            cm.addKeyMap(keyMap);
-        }
-    });
+    );
 
     function getOption(conf, name) {
         if (name == "pairs" && typeof conf == "string") return conf;
diff --git a/src/assets/scripts/util.js b/src/assets/scripts/util.js
index 3d966ad..b3d13db 100644
--- a/src/assets/scripts/util.js
+++ b/src/assets/scripts/util.js
@@ -190,7 +190,7 @@ export function saveEditorContent(editor, name) {
 
 /**
  * 格式化文档
- * @param {文档内容} content 
+ * @param {文档内容} content
  */
 export function formatDoc(content) {
     const doc = prettier.format(content, {
@@ -200,7 +200,6 @@ export function formatDoc(content) {
     return doc;
 }
 
-
 export function fixCodeWhiteSpace(value = "pre") {
     const preDomList = document.getElementsByClassName("code__pre");
     if (preDomList.length > 0) {
@@ -212,7 +211,7 @@ export function fixCodeWhiteSpace(value = "pre") {
 
 /**
  * 下载原始 Markdown 文档
- * @param {文档内容} doc 
+ * @param {文档内容} doc
  */
 export function downLoadMD(doc) {
     let downLink = document.createElement("a");