中配升级解压包的时候没有快速下盘，导致解压的文件为空

output/t113s/push/tools/script.sh

@@ -55,6 +55,11 @@ echo release $obj
 tar -zxvf  $obj  -C  /  >/dev/null  2>&1
 rm -f  $obj
 
+sync
+
+sync
+
+
 #chg_net
 
 echo ++++ upgrade ok! ++++

output/t113s/push/tools/script_retain.sh

@@ -56,6 +56,12 @@ echo release $obj
 tar -zxkf  $obj  -C  /  >/dev/null  2>&1
 rm -f  $obj
 
+
+sync 
+
+sync
+
+
 #chg_net
 
 echo ++++ upgrade ok! ++++

pro/config/cfg.h

@@ -504,6 +504,7 @@
     #define PROD_POWER_TYPE                     0
     #define USE_BEEP                            1
     #define USE_LED                             1
+    #define BRD_MAX                             1
     #define USE_Cellular
 #elif (defined PRJ_IP_CHONGQING_AC_I1_O1)
     #define LANGUAGE                            0
@@ -516,6 +517,7 @@
     #define PROD_POWER_TYPE                     0
     #define USE_BEEP                            1
     #define USE_LED                             1
+    #define BRD_MAX                             1
 #elif (defined PRJ_IP_AOSENS_AC_I1_O1)
     #define LANGUAGE                            1
     #define SMPLE_TIME                          30          //ms