diff --git a/doc/RUN_IN_DOCKER.md b/doc/RUN_IN_DOCKER.md
index edfd914123b2262b36e85552b179a0e412b68413..972de2d951e602d025fb5fcb8b3229dcc300f696 100644
--- a/doc/RUN_IN_DOCKER.md
+++ b/doc/RUN_IN_DOCKER.md
@@ -147,7 +147,7 @@ tar -xzf uci_housing.tar.gz
   Running on the Server side (inside the container):
 
   ```bash
-  python -m paddle_serving_server_gpu.serve --model uci_housing_model --thread 10 --port 9292 --name uci
+  python -m paddle_serving_server_gpu.serve --model uci_housing_model --thread 10 --port 9292 --name uci --gpu_ids 0
   ```
 
   Running on the Client side (inside or outside the container):
@@ -161,7 +161,7 @@ tar -xzf uci_housing.tar.gz
   Running on the Server side (inside the container):
 
   ```bash
-  python -m paddle_serving_server_gpu.serve --model uci_housing_model --thread 10 --port 9292
+  python -m paddle_serving_server_gpu.serve --model uci_housing_model --thread 10 --port 9292 --gpu_ids 0
   ```
 
   Running following Python code on the Client side (inside or outside the container, The `paddle-serving-client` package needs to be installed):
diff --git a/doc/RUN_IN_DOCKER_CN.md b/doc/RUN_IN_DOCKER_CN.md
index 47914a2fdd6aa78956b783ab813edb5d3a587b7d..17bdd30adbcbecd971904011208fe01d1d08f5ba 100644
--- a/doc/RUN_IN_DOCKER_CN.md
+++ b/doc/RUN_IN_DOCKER_CN.md
@@ -145,7 +145,7 @@ tar -xzf uci_housing.tar.gz
   在Server端（容器内）运行：
 
   ```bash
-  python -m paddle_serving_server_gpu.serve --model uci_housing_model --thread 10 --port 9292 --name uci 
+  python -m paddle_serving_server_gpu.serve --model uci_housing_model --thread 10 --port 9292 --name uci --gpu_ids 0
   ```
 
   在Client端（容器内或容器外）运行：
@@ -159,7 +159,7 @@ tar -xzf uci_housing.tar.gz
   在Server端（容器内）运行：
 
   ```bash
-  python -m paddle_serving_server_gpu.serve --model uci_housing_model --thread 10 --port 9292
+  python -m paddle_serving_server_gpu.serve --model uci_housing_model --thread 10 --port 9292 --gpu_ids 0
   ```
 
   在Client端（容器内或容器外，需要安装`paddle-serving-client`包）运行下面Python代码：