diff --git a/proxy/app.js b/proxy/app.js
index 6b96861..0332626 100644
--- a/proxy/app.js
+++ b/proxy/app.js
@@ -8,7 +8,7 @@ const process = require("process");
 const config = process.argv[2] || "default";
 const proxyList = require(`./config/${config}.json`);
 
-const newLog = function() {
+const newLog = function () {
   const date = new Date();
   const year = date.getFullYear();
   const month = date.getMonth() + 1;
@@ -18,11 +18,12 @@ const newLog = function() {
   const minute = date.getMinutes();
   const second = date.getSeconds();
 
-  arguments[0] = `${year}-${month}-${day} ${hour}:${minute}:${second} ` + arguments[0];
+  arguments[0] =
+    `${year}-${month}-${day} ${hour}:${minute}:${second} ` + arguments[0];
   arguments.callee.oLog.apply(this, arguments);
-}
+};
 
-const newError = function() {
+const newError = function () {
   const date = new Date();
   const year = date.getFullYear();
   const month = date.getMonth() + 1;
@@ -32,9 +33,10 @@ const newError = function() {
   const minute = date.getMinutes();
   const second = date.getSeconds();
 
-  arguments[0] = `${year}-${month}-${day} ${hour}:${minute}:${second} ` + arguments[0];
+  arguments[0] =
+    `${year}-${month}-${day} ${hour}:${minute}:${second} ` + arguments[0];
   arguments.callee.oError.apply(this, arguments);
-}
+};
 
 newLog.oLog = console.log;
 newError.oError = console.error;
@@ -75,9 +77,14 @@ function proxy(config) {
       { host: srcHost, port: srcPort, log: true },
       () => {
         isReady = true;
-        connectBuffer.forEach((data) => {
-          stick.putData(data);
-        });
+        try {
+          connectBuffer.forEach((data) => {
+            stick.putData(data);
+          });
+        } catch (e) {
+          console.log("putData error", e);
+          socket.destroy();
+        }
       },
       (route, body) => {
         repPush(route, body);
diff --git a/proxy/lib/stick/lib/core.js b/proxy/lib/stick/lib/core.js
index 9640a04..e9eb182 100644
--- a/proxy/lib/stick/lib/core.js
+++ b/proxy/lib/stick/lib/core.js
@@ -118,6 +118,10 @@ const StackBuffer = function (bufferSize) {
         if (availableLen < dataLength) {
             // 以512字节为基数扩展Buffer空间
             let exLength = Math.ceil((_dataLen + dataLength) / 512) * 512;
+            if (exLength > 1024*1024) {
+                console.error('exLength > 1024*1024');
+                throw new Error('exLength > 1024*1024');
+            }
             let tempBuffer = Buffer.alloc(exLength);
             //_buffer.copy(tempBuffer);
             _bufferLength = exLength;
@@ -266,7 +270,7 @@ const StackBuffer = function (bufferSize) {
                 if (_bufferLength - _dataReadPosition < dataLen) {
                     let firstPartLen = _bufferLength - _dataReadPosition;
                     // 读取第一部分，直接到字符尾部的数据
-                    _buffer.copy(readData, 0, _dataReadPosition, firstPartLen + _dataReadPosition);
+                    _buffer.copy(readData, 0, _dataReadPosition, _dataReadPosition + firstPartLen);
                     // 读取第二部分，存储在开头的数据
                     let secondPartLen = dataLen - firstPartLen;
                     _buffer.copy(readData, firstPartLen, 0, secondPartLen);