diff --git a/ArduCopter/version.h b/ArduCopter/version.h
index 9b38784bbd..f13c2dca45 100644
--- a/ArduCopter/version.h
+++ b/ArduCopter/version.h
@@ -6,7 +6,7 @@
 
 #include "ap_version.h"
 
-#define THISFIRMWARE "ZRUAV v4.0.8-RC7"  //"ArduCopter V4.0.0"
+#define THISFIRMWARE "ZRUAV v4.0.8-RC8"  //"ArduCopter V4.0.0"
 
 // the following line is parsed by the autotest scripts
 #define FIRMWARE_VERSION 4,0,8,FIRMWARE_VERSION_TYPE_OFFICIAL
diff --git a/copy.sh b/copy.sh
index d59c52794d..447190e817 100755
--- a/copy.sh
+++ b/copy.sh
@@ -1,2 +1,2 @@
-sudo cp ./build/zr-v4/bin/arducopter.apj  /mnt/f/_01-work/100\=data/固件/zr-v4/wsl/hexa-zrv4-v4.0.8-rc7-test.px4
+sudo cp ./build/zr-v4/bin/arducopter.apj  /mnt/f/_01-work/100\=data/固件/zr-v4/wsl/qusd-zrv4-v4.0.8-rc8.px4
 
diff --git a/libraries/AP_GPS/GPS_Backend.cpp b/libraries/AP_GPS/GPS_Backend.cpp
index fe9770f566..13a432590d 100644
--- a/libraries/AP_GPS/GPS_Backend.cpp
+++ b/libraries/AP_GPS/GPS_Backend.cpp
@@ -90,11 +90,11 @@ void AP_GPS_Backend::make_gps_time(uint32_t bcd_date, uint32_t bcd_milliseconds)
     min  = v % 100; v /= 100;
     hour = v % 100;
 
-    int8_t rmon = mon - 2;
-    if (0 >= rmon) {    
-        rmon += 12;
-        year -= 1;
-    }
+    // int8_t rmon = mon - 2;
+    // if (0 >= rmon) {    
+    //     rmon += 12;
+    //     year -= 1;
+    // }
 
     time_t rawtime; 
     struct tm* timeinfo;
diff --git a/zr-v4.sh b/zr-v4.sh
index d19b47f6cb..22edc39615 100755
--- a/zr-v4.sh
+++ b/zr-v4.sh
@@ -1,2 +1,3 @@
 ./waf configure --board zr-v4
-./waf --targets bin/arducopter --upload
+./waf copter
+cp ./build/zr-v4/bin/arducopter.apj  /mnt/f/_01-work/100\=data/固件/zr-v4/wsl/qusd-zrv4-v4.0.8-rc8.px4