diff --git a/auto.sh b/auto.sh
index d667666..0753089 100755
--- a/auto.sh
+++ b/auto.sh
@@ -35,7 +35,7 @@ else
 fi
 
 ### PSOL Download (PageSpeed)
-if [ ! -d "lib/pagespeed" ] && [ "$PAGESPEED" = "y" ]; then
+if [ ! -d "lib/pagespeed" ] && [ "$PAGESPEED" = 1 ]; then
     ### Download pagespeed
     cd lib
     wget -c https://github.com/apache/incubator-pagespeed-ngx/archive/v1.13.35.2-stable.zip
@@ -66,23 +66,23 @@ else
 fi
 
 ### Module check
-if [ "$PAGESPEED" = "y" ]; then
+if [ "$PAGESPEED" = 1 ]; then
     BUILD_MODULES="--add-module=./lib/pagespeed ${PS_NGX_EXTRA_FLAGS}"
 fi
 
-if [ "$RTMP" = "y" ]; then
+if [ "$RTMP" = 1 ]; then
     BUILD_MODULES="${BUILD_MODULES} --add-module=./lib/nginx-rtmp-module"
 fi
 
-if [ "$NAXSI" = "y" ]; then
+if [ "$NAXSI" = 1 ]; then
     BUILD_MODULES="${BUILD_MODULES} --add-module=./lib/naxsi/naxsi_src"
 fi
 
-if [ "$DAV_EXT" = "y" ]; then
+if [ "$DAV_EXT" = 1 ]; then
     BUILD_MODULES="${BUILD_MODULES} --add-module=./lib/nginx-dav-ext-module"
 fi
 
-if [ "$FANCYINDEX" = "y" ]; then
+if [ "$FANCYINDEX" = 1 ]; then
     BUILD_MODULES="${BUILD_MODULES} --add-module=./lib/ngx-fancyindex"
 fi
 
diff --git a/config.inc b/config.inc
index 18a62f9..cc99e93 100644
--- a/config.inc
+++ b/config.inc
@@ -13,29 +13,31 @@ SERVER_HEADER="hakase"
 ### x86, x64 check
 ### If you do not want optimization, uncomment it.
 ### (Comment out existing sources.)
+### Do not modify it under normal circumstances.
 BITCHK=`getconf LONG_BIT`
 #BITCHK="32"
 
 ### Multithread build
+### Do not modify it under normal circumstances.
 BUILD_MTS="-j$(expr $(nproc) \+ 1)"
 
 #########################
 ### Select add module ###
 #########################
 
-### If you do not want to build modules, please enter a value other than "y".
+### Enter 0 for the module that is not to be used.
 
 ### PageSpeed
-PAGESPEED="y"
+PAGESPEED=1
 
 ### nginx-rtmp-module
-RTMP="y"
+RTMP=1
 
 ### naxsi
-NAXSI="y"
+NAXSI=1
 
 ### nginx-dav-ext-module
-DAV_EXT="y"
+DAV_EXT=1
 
 ### fancyindex
-FANCYINDEX="y"
+FANCYINDEX=1