diff --git a/.travis.yml b/.travis.yml
index ab6e5b0a..e76d282e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -24,4 +24,6 @@ jobs:
         - make build-linux
         - echo "$DOCKER_PASSWORD" | docker login -u "$DOCKER_USERNAME" --password-stdin
         - docker build -t moiot/gravity:${TRAVIS_TAG} -f Dockerfile.gravity .
-        - docker push moiot/gravity:${TRAVIS_TAG}
\ No newline at end of file
+        - docker push moiot/gravity:${TRAVIS_TAG}
+        - docker tag moiot/gravity:${TRAVIS_TAG} moiot/gravity:latest
+        - docker push moiot/gravity:latest
\ No newline at end of file
diff --git a/Dockerfile.gravity b/Dockerfile.gravity
index 145ef744..8359f120 100644
--- a/Dockerfile.gravity
+++ b/Dockerfile.gravity
@@ -6,4 +6,6 @@ RUN cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime && echo "Asia/Shanghai"
 
 WORKDIR /
 
-COPY bin/gravity-linux-amd64 /gravity
\ No newline at end of file
+COPY bin/gravity-linux-amd64 /gravity
+
+CMD /gravity -config=/etc/gravity/config.toml
\ No newline at end of file
diff --git a/docs/2.0/01-quick-start-en.md b/docs/2.0/01-quick-start-en.md
index 47f62687..5b012250 100644
--- a/docs/2.0/01-quick-start-en.md
+++ b/docs/2.0/01-quick-start-en.md
@@ -25,7 +25,7 @@ This document takes synchronizing the data of the local MySQL instance and data
     ) ENGINE=InnoDB DEFAULT CHARSET=utf8
     ```
 
-## Step 2: Compile (TODO: Download binary from GitHub after it is open sourced)
+## Step 2: Compile (optional, docker image is ready for use)
 
 [Configure the Go environment](https://golang.org/doc/install) and compile:
 
@@ -38,13 +38,13 @@ cd gravity && make
 
 ```
 
-## Step 3: Synchronize data 
+## Step 3: Write config file 
 
 You can choose to synchronize data between two MySQL clusters or from MySQL to Kafka.
 
 - Synchronize data between two MySQL clusters
 
-    1. Create the configuration file, as shown in the following file `mysql2mysql.toml`:
+    Create the configuration file, as shown in the following file `config.toml`:
 
         ```toml
         # name (required)
@@ -89,17 +89,9 @@ You can choose to synchronize data between two MySQL clusters or from MySQL to K
         target-table = "test_target_table"
         ```
 
-    2. Enable `gravity`.
-
-        ```bash
-        bin/gravity -config mysql2mysql.toml
-        ```
-
-    3. After the incremental synchronization between `test_source_table` and `test_target_table` begins, you can insert data in the source cluster and then you will see the change in the target cluster.
-
 - Synchronize data from MySQL to Kafka
 
-    1. Create the configuration file, as shown in the following file `mysql2kafka.toml`:
+    Create the configuration file, as shown in the following file `config.toml`:
 
         ```toml
         
@@ -134,10 +126,12 @@ You can choose to synchronize data between two MySQL clusters or from MySQL to K
         dml-topic = "test"
         ```
 
-    2. Enable `gravity`:
-
-        ```bash
-        bin/gravity -config mysql2kafka.toml
-        ```
-
-    3. The data mutation of `test`.`test_source_table` table in the MySQL cluster is sent to `test` of Kafka.
\ No newline at end of file
+## Step 4: Start Gravity
+From binary
+```bash
+bin/gravity -config mysql2mysql.toml
+```
+or docker
+```bash
+docker run -v ${PWD}/config.toml:/etc/gravity/config.toml -d --net=host moiot/gravity:latest
+```
\ No newline at end of file
diff --git a/docs/2.0/01-quick-start.md b/docs/2.0/01-quick-start.md
index 8d5e40ca..2414213f 100644
--- a/docs/2.0/01-quick-start.md
+++ b/docs/2.0/01-quick-start.md
@@ -19,7 +19,7 @@ CREATE TABLE `test`.`test_target_table` (
 ```
 
 
-#### 编译 (TODO: 开源后直接从 github 下载 binary)
+#### 编译（可选，可以直接用 docker）
 
 首先，[配置好 Go 语言环境](https://golang.org/doc/install) 并编译
 
@@ -36,7 +36,7 @@ cd gravity && make
 
 #### MySQL 到 MySQL 同步
 
-创建如下配置文件 `mysql2mysql.toml`
+创建如下配置文件 `config.toml`
 
 ```toml
 # name 必填
@@ -76,17 +76,9 @@ target-schema = "test"
 target-table = "test_target_table"
 ```
 
-启动 `gravity`
-
-```bash
-bin/gravity -config mysql2mysql.toml
-```
-
-`test_source_table` 和 `test_target_table` 之间的同步已经开始，现在可以在源端插入数据，然后在目标端会看到相应的变化。
-
 #### MySQL 到 Kafka
 
-创建如下配置文件 `mysql2kafka.toml`
+创建如下配置文件 `config.toml`
 
 ```toml
 name = "mysql2kafkaDemo"
@@ -119,10 +111,12 @@ match-table = "test_source_table"
 dml-topic = "test"
 ```
 
-启动 `gravity`
-
+## 启动 gravity
+从编译完的程序
 ```bash
-bin/gravity -config mysql2kafka.toml
+bin/gravity -config mysql2mysql.toml
 ```
-
-MySQL 源库的 `test`.`test_source_table` 这个表的数据变更会发送到 Kafka 的 `test` 这个 topic。
\ No newline at end of file
+从 docker
+```bash
+docker run -v ${PWD}/config.toml:/etc/gravity/config.toml -d --net=host moiot/gravity:latest
+```
\ No newline at end of file