diff --git a/src/Transmit.cpp b/src/Transmit.cpp
index 393aa82..7dca784 100644
--- a/src/Transmit.cpp
+++ b/src/Transmit.cpp
@@ -13,6 +13,7 @@
 namespace Transmission {
 
     const int32_t Transmit::DATA_STOP = 0x20030507;
+    int Transmit::compressSize = 64;
 
     Transmit::Transmit(SOCKET fd, std::string ip) : ip(std::move(ip)), fd(fd) {
 
@@ -123,8 +124,8 @@ namespace Transmission {
         dataPackets.set_type(type);
         std::string byteData(reinterpret_cast<const char *>(data), size);
         dataPackets.set_data(byteData);
-        if (size < 64) {
-            //小于64字节的数据包不压缩
+        if (size < compressSize) {
+            //小于compressSize的数据包不压缩
             pushData(dataPackets);
         } else {
             //大于64字节的数据使用lzma压缩后发送
diff --git a/src/Transmit.h b/src/Transmit.h
index 37acf01..cd5fa52 100644
--- a/src/Transmit.h
+++ b/src/Transmit.h
@@ -58,6 +58,8 @@ namespace Transmission {
         virtual std::shared_ptr<unsigned char> unLzma(const std::string &str, size_t &size);
 
     public:
+        //最小压缩大小
+        static int compressSize;
         static const int32_t DATA_STOP;
 
         explicit Transmit(SOCKET fd, std::string ip);