diff --git a/wCenterWindow/wCenterWindow.cpp b/wCenterWindow/wCenterWindow.cpp
index 92d5006..b03236f 100644
--- a/wCenterWindow/wCenterWindow.cpp
+++ b/wCenterWindow/wCenterWindow.cpp
@@ -7,7 +7,7 @@
 #define KEY_C 0x43
 #define KEY_V 0x56
 
-#define BUF_LEN 4096
+#define BUF_LEN 1024
 #define MAX_LOADSTRING 50
 #define WM_WCW	0x8F00