diff --git a/uart/uart.cpp b/uart/uart.cpp
index f9b57c7..376e435 100644
--- a/uart/uart.cpp
+++ b/uart/uart.cpp
@@ -46,7 +46,7 @@ int Uart::UartRecv(int fd, char srcshow, char *buffer) {
             ret = read_data(fd, buff, BUF_LENGTH, 10);
             if (ret <= 0) {
                 timeoutflag++;
-                if (timeoutflag > 500) {
+                if (timeoutflag > 200) {
                     DealReviveDuration(wave_shortAddr);
                     zlog_warn(zct, "===============0x9999 timeout= %d offSize = %d===============shortAddr = %02x%02x", timeoutflag, offSize,UINT16_HIGH(wave_shortAddr),UINT16_LOW(wave_shortAddr));
                     zlog_warn(zct, "0x9999 timeout %d===============Size = %d", timeoutflag, offSize);