diff --git "a/\346\235\216\346\254\247\351\233\257/3.2-stream/demo.js" "b/\346\235\216\346\254\247\351\233\257/3.2-stream/demo.js"
new file mode 100644
index 0000000000000000000000000000000000000000..ce743b547f87a34768161901eac9f7d475d6a85b
--- /dev/null
+++ "b/\346\235\216\346\254\247\351\233\257/3.2-stream/demo.js"
@@ -0,0 +1,31 @@
+//创建个大文件，分别用传统方式于流方式，再计算下内存的消耗
+let fs = require("fs");
+let os = require("os");
+//传统方式
+let startTime = Date.now();
+let start = os.freemem();
+let fd = fs.openSync("bigFile.txt", 'a');
+for (let i = 0; i < 10000; i++) {
+    fs.writeSync(fd, "我没事就吃溜溜梅\n");
+}
+let end = os.freemem();
+let diff = ((start - end) / 1024 / 1024);
+let endTime = Date.now();
+let diffTime = ((endTime-startTime)/1000);
+console.log("传统方式的内存消耗：" + diff);
+console.log("传统方式的时间消耗：" + diffTime);
+fs.closeSync(fd);
+//流方式
+let startTime2 = Date.now();
+let start2 = os.freemem();
+let stream = fs.createWriteStream("bigFile2.txt", "utf-8", { flag: "a" });
+for (let j = 0; j < 10000; j++) {
+    stream.write("你别管我了\n");
+}
+let end2 = os.freemem();
+let endTime2 = Date.now();
+let diffTime2 = ((endTime2-startTime2)/1000);
+let diff2 = ((start2 - end2) / 1024 / 1024);
+console.log("流方式的内存消耗：" + diff2);
+console.log("流方式的时间消耗：" + diffTime2);
+stream.close();
\ No newline at end of file
diff --git "a/\346\235\216\346\254\247\351\233\257/3.3-http\345\215\217\350\256\256/demo.js" "b/\346\235\216\346\254\247\351\233\257/3.3-http\345\215\217\350\256\256/demo.js"
new file mode 100644
index 0000000000000000000000000000000000000000..c3cfa3c115eb729a498d9d6c87ad9579255da579
--- /dev/null
+++ "b/\346\235\216\346\254\247\351\233\257/3.3-http\345\215\217\350\256\256/demo.js"
@@ -0,0 +1,17 @@
+// 创建一个web服务器,根据不同的url 去读取页面,给前端渲染
+let http = require("http");
+let serve = http.createServer(function(req,res){
+    res.setHeader('Content-type','text/html; charset=utf-8')
+    let url = req.url;
+    console.log(url);
+    if(url == "/"){
+        res.end("来测测你是谁吧");
+    }else if(url == "/pig"){
+        res.end("哈哈哈你是猪");
+    }else if(url == "/dog"){
+        res.end("哈哈哈你是狗")
+    }
+})
+serve.listen(3000,function(){
+    console.log("服务已启动：http://127.0.0.1:3000");
+});
\ No newline at end of file