diff --git "a/\346\235\216\351\235\226\346\256\267/\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/index.js" "b/\346\235\216\351\235\226\346\256\267/\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/index.js"
new file mode 100644
index 0000000000000000000000000000000000000000..06574b1e4e56acf459442ac176b8e877117e3cb0
--- /dev/null
+++ "b/\346\235\216\351\235\226\346\256\267/\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/index.js"
@@ -0,0 +1,25 @@
+let fs = require("fs");
+
+//同步
+let newtime = new Date().getTime();
+for(var i = 1;i<=1000;i++){
+    fs.writeFileSync("./"+i+".txt","111");
+}
+let newtime2 = new Date().getTime();
+let time = newtime2-newtime;
+console.log("同步创建文件耗时："+time);
+
+//异步
+let newtime3 = new Date().getTime();
+let count = 0;
+let newtime4 = 0;
+for(var j = 1;j<=1000;j++){
+    fs.writeFile("./"+j+".txt","222",(err)=>{
+        count++;
+        if(count==1000){
+            newtime4 = new Date().getTime();
+            console.log("异步创建文件耗时："+(newtime4-newtime3));
+        }
+    });
+    
+}