diff --git a/_server/editor_config.js b/_server/editor_config.js
index 497c246e..188ecfde 100644
--- a/_server/editor_config.js
+++ b/_server/editor_config.js
@@ -1,5 +1,6 @@
 function editor_config() {
     this.address = "_server/config.json";
+    this._isWriting = false;
 }
 
 editor_config.prototype.load = function(callback) {
@@ -27,8 +28,18 @@ editor_config.prototype.set = function(key, value, callback) {
 }
 
 editor_config.prototype.save = function(callback) {
-    fs.writeFile(this.address, JSON.stringify(this.config) ,'utf-8', function(e) {
-        if (e) console.error("写入配置文件失败");
+    // 读写锁防止写文件冲突
+    if (this._isWriting) return;
+    try {
+        this._isWriting = true;
+        fs.writeFile(this.address, JSON.stringify(this.config) ,'utf-8', function(e) {
+            this._isWriting = false;
+            if (e) console.error("写入配置文件失败");
+            if (callback instanceof Function) callback();
+        })
+    } catch (e) {
+        this._isWriting = false;
+        console.error(e);
         if (callback instanceof Function) callback();
-    })
+    }
 }