diff --git a/RKBOOT/RK3036.ini b/RKBOOT/RK3036.ini
index cc03dca0..e91fbb7d 100755
--- a/RKBOOT/RK3036.ini
+++ b/RKBOOT/RK3036.ini
@@ -6,6 +6,7 @@ MINOR=15
 [CODE471_OPTION]
 NUM=1
 Path1=tools/rk_tools/RK3036_DDR3_DDR400M_V1.05.bin
+Sleep=1
 [CODE472_OPTION]
 NUM=1
 Path1=tools/rk_tools/rk303xusbplug.bin
diff --git a/RKBOOT/RK3036MINIALL.ini b/RKBOOT/RK3036MINIALL.ini
index 527f49d1..26cac114 100755
--- a/RKBOOT/RK3036MINIALL.ini
+++ b/RKBOOT/RK3036MINIALL.ini
@@ -6,6 +6,7 @@ MINOR=15
 [CODE471_OPTION]
 NUM=1
 Path1=tools/rk_tools/RK3036_DDR3_DDR400M_V1.05.bin
+Sleep=1
 [CODE472_OPTION]
 NUM=1
 Path1=tools/rk_tools/rk303xusbplug.bin
diff --git a/RKBOOT/RK312X.ini b/RKBOOT/RK312X.ini
index b0c45fb0..b68625db 100755
--- a/RKBOOT/RK312X.ini
+++ b/RKBOOT/RK312X.ini
@@ -6,6 +6,7 @@ MINOR=15
 [CODE471_OPTION]
 NUM=1
 Path1=tools/rk_tools/RK312x_DDR3_DDR400M_V1.04.bin
+Sleep=1
 [CODE472_OPTION]
 NUM=1
 Path1=tools/rk_tools/rk312xusbplug.bin
diff --git a/RKBOOT/RK312XMINIALL.ini b/RKBOOT/RK312XMINIALL.ini
index a42fffb2..29c0a226 100755
--- a/RKBOOT/RK312XMINIALL.ini
+++ b/RKBOOT/RK312XMINIALL.ini
@@ -6,6 +6,7 @@ MINOR=15
 [CODE471_OPTION]
 NUM=1
 Path1=tools/rk_tools/RK312x_DDR3_DDR400M_V1.04.bin
+Sleep=1
 [CODE472_OPTION]
 NUM=1
 Path1=tools/rk_tools/rk312xusbplug.bin
diff --git a/RKBOOT/RK3288.ini b/RKBOOT/RK3288.ini
index f8ce58f9..6184c80d 100755
--- a/RKBOOT/RK3288.ini
+++ b/RKBOOT/RK3288.ini
@@ -6,6 +6,7 @@ MINOR=15
 [CODE471_OPTION]
 NUM=1
 Path1=tools/rk_tools/32_LPDDR2_300MHz_LPDDR3_300MHz_DDR3_300MHz_20140630.bin
+Sleep=1
 [CODE472_OPTION]
 NUM=1
 Path1=tools/rk_tools/rk32xxusbplug.bin
diff --git a/RKBOOT/RK3288MINIALL.ini b/RKBOOT/RK3288MINIALL.ini
index f93ca65f..9af6f26f 100755
--- a/RKBOOT/RK3288MINIALL.ini
+++ b/RKBOOT/RK3288MINIALL.ini
@@ -6,6 +6,7 @@ MINOR=15
 [CODE471_OPTION]
 NUM=1
 Path1=tools/rk_tools/32_LPDDR2_300MHz_LPDDR3_300MHz_DDR3_300MHz_20140630.bin
+Sleep=1
 [CODE472_OPTION]
 NUM=1
 Path1=tools/rk_tools/rk32xxusbplug.bin