diff --git a/.drone.yml b/.drone.yml
index e218d98..7182897 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -18,7 +18,6 @@ steps:
 trigger:
   branch:
   - main
-  - drone-deploy
   event:
   - push
   - tag
\ No newline at end of file
diff --git a/README.md b/README.md
index a48ada2..6573adc 100644
--- a/README.md
+++ b/README.md
@@ -208,4 +208,22 @@ you can see the container is runninng like as follow.
 ![image](https://user-images.githubusercontent.com/51738970/178057363-1351be0d-16a9-460a-a8dd-57ab86c0653b.png)
 
 ## 4. API test
-you can reference [Test the API can parse data](https://github.com/a631953720/thingsboard-sendbox/blob/main/README.md#4-test-the-api-can-parse-data)
+you can reference [Test the API can parse data](#4-test-the-api-can-parse-data)
+
+# Customzied the docker
+## `release/.env` can control all the docker image config
+```env
+# project build
+OUTPUT_FOLDER=output # create folder in root path
+OUTPUT_IMAGE_FILE_NAME=thingsboard-sendbox
+
+# deploy
+DEPLOY_VERSION=v0.2.0-beta
+DEPLOY_PORT=8000
+SERVER_LISTEN=8000 # must equal to the "config.json" at root folder
+
+# docker
+IMAGE_NAME=thingsboard-sendbox
+CONTAINER_NAME=thingsboard-sendbox
+
+```
diff --git a/release/rewrite_config.sh b/release/rewrite_config.sh
index 17eb6bd..a4123f7 100644
--- a/release/rewrite_config.sh
+++ b/release/rewrite_config.sh
@@ -7,6 +7,8 @@ copy_config="../config.origin.json"
 yellow_printf "rename origin config.json"
 mv ${config} ${copy_config}
 
+# make sure that the production flag is 'true'
+# it can don't need to modify the config file every drone deploy
 yellow_printf "rewrite the config file to production"
 rewrite_config_file ${copy_config} ${config}
 green_printf "convert the 'production' flag to 'true'"
diff --git a/release/utils.sh b/release/utils.sh
index 0cb308f..10bd102 100644
--- a/release/utils.sh
+++ b/release/utils.sh
@@ -33,8 +33,9 @@ function load_dot_env() {
   yellow_printf "------ read env end ------"
 }
 
-# 會逐行讀取取得屬性值，只能取得單純的字串、數字或布林
-# 如果重複，只會回傳第一個找到的值
+# will read the file line by line
+# only can get string, number, and boolean
+# only return the first result
 function find_json_value() {
   while read -r LINE; do
     # can ignore 
@@ -48,6 +49,7 @@ function find_json_value() {
   echo $REAULT
 }
 
+# this function case only for this project situation
 function rewrite_config_file() {
   target_file=$1
   new_file=$2