Index: sdk/yc_bt.c
===================================================================
--- /YC3121_SDK/fw/sdk/yc_bt.c	(revision 920)
+++ /YC3121_SDK/fw/sdk/yc_bt.c	(working copy)
@@ -11,7 +11,7 @@
 static tick StartTick;
 static uint32_t HCI_CMD_BIT_FLAG[2]= {0};
 #define BTTIMEOUT 500
-#define BT_BUFSIZE 2048
+#define BT_BUFSIZE 5120
 uint8_t rcvbuf[BT_BUFSIZE]= {0};
 extern uint8_t ipcrecbuf[IPCREVSIZE];