diff --git a/README.md b/README.md
index e3972ed..03ad8f5 100644
--- a/README.md
+++ b/README.md
@@ -18,6 +18,8 @@ git clone https://github.com/pj8/dbdb.git
 cd dbdb
 ```
 
+<details><summary>MySQL</summary><div>
+
 ## MySQL
 
 ### Manage MySQL Server on localhost
@@ -53,7 +55,9 @@ cd dbdb
 - 8.0.23
 - 8.0.30
 
----
+</div></details>
+
+<details><summary>PostgreSQL</summary><div>
 
 ## PostgreSQL
 
@@ -79,7 +83,9 @@ cd dbdb
 - 12.6
 - 13.2
 
----
+</div></details>
+
+<details><summary>Redis</summary><div>
 
 ## Redis
 
@@ -105,7 +111,9 @@ cd dbdb
 - 6.0.16
 - 6.2.6
 
----
+</div></details>
+
+<details><summary>MongoDB</summary><div>
 
 ## MongoDB
 
@@ -130,7 +138,7 @@ cd dbdb
 - 4.4.10
 - 5.0.3
 
----
+</div></details>
 
 ## Tips
 
@@ -149,7 +157,7 @@ cd dbdb
 ### Start by creating the database server if it does not exist.
 
 ```
-# Try create, then start server.
+# Create and start
 /path/to/dbdb/mysql/create-start.sh mysql5-foo 5.7.31 3306
 ```
 
@@ -172,6 +180,6 @@ cd dbdb
 # Start mysql8 with port 13306
 @reboot /path/to/dbdb/mysql/start.sh mysql8-bar
 
-# Try create, then start the server
+# Create and start
 @reboot /path/to/dbdb/redis/create-start.sh redis1 6.0.10 6379
 ```
diff --git a/VERSION b/VERSION
index 46b105a..0ac852d 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-v2.0.0
+v2.0.1
diff --git a/mongodb/delete.sh b/mongodb/delete.sh
index 3ee6caa..afe8d96 100755
--- a/mongodb/delete.sh
+++ b/mongodb/delete.sh
@@ -38,7 +38,6 @@ installDir=$(getInstallDir $(getType))
 dir=$installDir/versions/$optVersion
 
 ./stop.sh -f "$format" $optName $optVersion $optPort > /dev/null
-sleep 1
 
 set -eu
 exitIfNotExistDir $dir/datadir/$optName
diff --git a/mongodb/restart.sh b/mongodb/restart.sh
index 0b9831b..4fb5d80 100755
--- a/mongodb/restart.sh
+++ b/mongodb/restart.sh
@@ -26,7 +26,5 @@ currentDir="$(
 cd $currentDir
 
 ./stop.sh -f "$format" $1 > /dev/null
-sleep 1
-
 set -eu
 ./start.sh -f "$format" $1
diff --git a/mongodb/start.sh b/mongodb/start.sh
index 60de42f..77c7f40 100755
--- a/mongodb/start.sh
+++ b/mongodb/start.sh
@@ -51,6 +51,8 @@ $dir/basedir/bin/mongod \
  --fork 1>&2
 echo $optPort > $dir/datadir/$optName/mongodb.port
 
+sleep 1
+
 normalOutputs=""
 normalOutputs="${normalOutputs}MongoDB Successfully started. $optName $optVersion $optPort\n"
 normalOutputs="${normalOutputs}Your config file is located $dir/datadir/$optName/mongodb.conf"
diff --git a/mongodb/stop.sh b/mongodb/stop.sh
index d50c815..aea8d2d 100755
--- a/mongodb/stop.sh
+++ b/mongodb/stop.sh
@@ -44,6 +44,8 @@ exitIfNotRunningPort $optPort
 [ -f "$dir/datadir/$optName/mongodb.port" ] && cp $dir/datadir/$optName/mongodb.port $dir/datadir/$optName/mongodb.port.last
 [ -f "$dir/datadir/$optName/mongodb.port" ] && rm -f $dir/datadir/$optName/mongodb.port
 
+sleep 1
+
 normalOutputs=""
 normalOutputs="${normalOutputs}MongoDB Successfully stopped. $optName $optVersion $optPort"
 
diff --git a/mysql/restart.sh b/mysql/restart.sh
index 6abcdb1..4fb5d80 100755
--- a/mysql/restart.sh
+++ b/mysql/restart.sh
@@ -26,6 +26,5 @@ currentDir="$(
 cd $currentDir
 
 ./stop.sh -f "$format" $1 > /dev/null
-
 set -eu
 ./start.sh -f "$format" $1
diff --git a/postgresql/restart.sh b/postgresql/restart.sh
index 6abcdb1..4fb5d80 100755
--- a/postgresql/restart.sh
+++ b/postgresql/restart.sh
@@ -26,6 +26,5 @@ currentDir="$(
 cd $currentDir
 
 ./stop.sh -f "$format" $1 > /dev/null
-
 set -eu
 ./start.sh -f "$format" $1
diff --git a/redis/restart.sh b/redis/restart.sh
index 6abcdb1..4fb5d80 100755
--- a/redis/restart.sh
+++ b/redis/restart.sh
@@ -26,6 +26,5 @@ currentDir="$(
 cd $currentDir
 
 ./stop.sh -f "$format" $1 > /dev/null
-
 set -eu
 ./start.sh -f "$format" $1