diff --git a/.github/diy/patches/luci-app-passwall.patch b/.github/diy/patches/luci-app-passwall.patch
index ad324731..a15df18c 100644
--- a/.github/diy/patches/luci-app-passwall.patch
+++ b/.github/diy/patches/luci-app-passwall.patch
@@ -477,7 +477,7 @@ index 000000000000..a00fff9c79b3
  
 +start_adblock() {
 +	[ "$(config_t_get global adblock 0)" != "1" ] && {
-+	[ -s $RULES_PATH/my_block_host ] && ln -sf $RULES_PATH/my_block_host $RULES_PATH/block_host || echo "" >$RULES_PATH/block_host
++	[ -s $RULES_PATH/my_block_host ] && ln -sf $RULES_PATH/my_block_host $RULES_PATH/block_host || > $RULES_PATH/block_host
 +	return
 +	}
 +	"$APP_PATH/adblock.sh" > /dev/null 2>&1 &