diff --git a/docs/docs/en/guide/installation/pseudo-cluster.md b/docs/docs/en/guide/installation/pseudo-cluster.md
index eb0c0d95af..9575ef9197 100644
--- a/docs/docs/en/guide/installation/pseudo-cluster.md
+++ b/docs/docs/en/guide/installation/pseudo-cluster.md
@@ -89,7 +89,7 @@ alertServer="localhost"
 apiServers="localhost"
 
 # DolphinScheduler installation path, it will auto-create if not exists
-installPath="~/dolphinscheduler"
+installPath=~/dolphinscheduler
 
 # Deploy user, use the user you create in section **Configure machine SSH password-free login**
 deployUser="dolphinscheduler"
diff --git a/docs/docs/zh/guide/installation/pseudo-cluster.md b/docs/docs/zh/guide/installation/pseudo-cluster.md
index 2ade7be397..25d5192e47 100644
--- a/docs/docs/zh/guide/installation/pseudo-cluster.md
+++ b/docs/docs/zh/guide/installation/pseudo-cluster.md
@@ -87,7 +87,7 @@ alertServer="localhost"
 apiServers="localhost"
 
 # DolphinScheduler installation path, it will auto-create if not exists
-installPath="~/dolphinscheduler"
+installPath=~/dolphinscheduler
 
 # Deploy user, use the user you create in section **Configure machine SSH password-free login**
 deployUser="dolphinscheduler"
diff --git a/script/env/install_env.sh b/script/env/install_env.sh
index 8b68c0ea00..ebae1c389e 100644
--- a/script/env/install_env.sh
+++ b/script/env/install_env.sh
@@ -49,7 +49,7 @@ alertServer=${alertServer:-"ds3"}
 apiServers=${apiServers:-"ds1"}
 
 # The directory to install DolphinScheduler for all machine we config above. It will automatically be created by `install.sh` script if not exists.
-# Do not set this configuration same as the current path (pwd)
+# Do not set this configuration same as the current path (pwd). Do not add quotes to it if you using related path.
 installPath=${installPath:-"/tmp/dolphinscheduler"}
 
 # The user to deploy DolphinScheduler for all machine we config above. For now user must create by yourself before running `install.sh`