diff --git a/demos/speech_server/README.md b/demos/speech_server/README.md
index bb974c97a9eeaad7ba2d675b293fde722378c2d3..5a3de0ccdd50bfc6ba20e4d4b13c9bb9a0ca7874 100644
--- a/demos/speech_server/README.md
+++ b/demos/speech_server/README.md
@@ -52,8 +52,8 @@ wget -c https://paddlespeech.bj.bcebos.com/PaddleAudio/zh.wav https://paddlespee
   [2022-02-23 11:17:32] [INFO] [on.py:26] Waiting for application startup.
   INFO:     Application startup complete.
   [2022-02-23 11:17:32] [INFO] [on.py:38] Application startup complete.
-  INFO:     Uvicorn running on http://127.0.0.1:8090 (Press CTRL+C to quit)
-  [2022-02-23 11:17:32] [INFO] [server.py:204] Uvicorn running on http://127.0.0.1:8090 (Press CTRL+C to quit)
+  INFO:     Uvicorn running on http://0.0.0.0:8090 (Press CTRL+C to quit)
+  [2022-02-23 11:17:32] [INFO] [server.py:204] Uvicorn running on http://0.0.0.0:8090 (Press CTRL+C to quit)
 
   ```
 
@@ -75,8 +75,8 @@ wget -c https://paddlespeech.bj.bcebos.com/PaddleAudio/zh.wav https://paddlespee
   [2022-02-23 14:57:56] [INFO] [on.py:26] Waiting for application startup.
   INFO:     Application startup complete.
   [2022-02-23 14:57:56] [INFO] [on.py:38] Application startup complete.
-  INFO:     Uvicorn running on http://127.0.0.1:8090 (Press CTRL+C to quit)
-  [2022-02-23 14:57:56] [INFO] [server.py:204] Uvicorn running on http://127.0.0.1:8090 (Press CTRL+C to quit)
+  INFO:     Uvicorn running on http://0.0.0.0:8090 (Press CTRL+C to quit)
+  [2022-02-23 14:57:56] [INFO] [server.py:204] Uvicorn running on http://0.0.0.0:8090 (Press CTRL+C to quit)
 
   ```
 
@@ -84,6 +84,9 @@ wget -c https://paddlespeech.bj.bcebos.com/PaddleAudio/zh.wav https://paddlespee
 ### 4. ASR Client Usage
 **Note:** The response time will be slightly longer when using the client for the first time
 - Command Line (Recommended)
+
+   If `127.0.0.1` is not accessible, you need to use the actual service IP address.
+
    ```
    paddlespeech_client asr --server_ip 127.0.0.1 --port 8090 --input ./zh.wav
    ```
@@ -132,6 +135,9 @@ wget -c https://paddlespeech.bj.bcebos.com/PaddleAudio/zh.wav https://paddlespee
 ### 5. TTS Client Usage
 **Note:** The response time will be slightly longer when using the client for the first time
 - Command Line (Recommended)
+
+   If `127.0.0.1` is not accessible, you need to use the actual service IP address
+
    ```bash
    paddlespeech_client tts --server_ip 127.0.0.1 --port 8090 --input "您好，欢迎使用百度飞桨语音合成服务。" --output output.wav
    ```
@@ -192,6 +198,9 @@ wget -c https://paddlespeech.bj.bcebos.com/PaddleAudio/zh.wav https://paddlespee
 ### 6. CLS Client Usage
 **Note:** The response time will be slightly longer when using the client for the first time
 - Command Line (Recommended)
+
+   If `127.0.0.1` is not accessible, you need to use the actual service IP address.
+
    ```
    paddlespeech_client cls --server_ip 127.0.0.1 --port 8090 --input ./zh.wav
    ```
@@ -242,9 +251,11 @@ wget -c https://paddlespeech.bj.bcebos.com/PaddleAudio/zh.wav https://paddlespee
 **Note:** The response time will be slightly longer when using the client for the first time
 - Command Line (Recommended)
 
-``` bash
-paddlespeech_client vector --task spk  --server_ip 127.0.0.1 --port 8090 --input 85236145389.wav
-```
+  If `127.0.0.1` is not accessible, you need to use the actual service IP address.
+
+  ``` bash
+  paddlespeech_client vector --task spk  --server_ip 127.0.0.1 --port 8090 --input 85236145389.wav
+  ```
 
   * Usage:
 
@@ -297,6 +308,8 @@ print(res)
 
 - Command Line (Recommended)
 
+  If `127.0.0.1` is not accessible, you need to use the actual service IP address.
+
   ``` bash
   paddlespeech_client vector --task score  --server_ip 127.0.0.1 --port 8090 --enroll 85236145389.wav --test 123456789.wav
   ```
@@ -357,6 +370,9 @@ print(res)
 **Note:** The response time will be slightly longer when using the client for the first time
 
 - Command Line (Recommended)
+
+  If `127.0.0.1` is not accessible, you need to use the actual service IP address.
+
    ``` bash
    paddlespeech_client text --server_ip 127.0.0.1 --port 8090 --input "我认为跑步最重要的就是给我带来了身体健康"
    ```
diff --git a/demos/speech_server/README_cn.md b/demos/speech_server/README_cn.md
index 8fa67c0dbdd55b48ca766cf388a618ee5fc66118..51b6caa40856d934de362021516186e2c82760df 100644
--- a/demos/speech_server/README_cn.md
+++ b/demos/speech_server/README_cn.md
@@ -53,8 +53,8 @@ wget -c https://paddlespeech.bj.bcebos.com/PaddleAudio/zh.wav https://paddlespee
   [2022-02-23 11:17:32] [INFO] [on.py:26] Waiting for application startup.
   INFO:     Application startup complete.
   [2022-02-23 11:17:32] [INFO] [on.py:38] Application startup complete.
-  INFO:     Uvicorn running on http://127.0.0.1:8090 (Press CTRL+C to quit)
-  [2022-02-23 11:17:32] [INFO] [server.py:204] Uvicorn running on http://127.0.0.1:8090 (Press CTRL+C to quit)
+  INFO:     Uvicorn running on http://0.0.0.0:8090 (Press CTRL+C to quit)
+  [2022-02-23 11:17:32] [INFO] [server.py:204] Uvicorn running on http://0.0.0.0:8090 (Press CTRL+C to quit)
 
   ```
 
@@ -76,39 +76,42 @@ wget -c https://paddlespeech.bj.bcebos.com/PaddleAudio/zh.wav https://paddlespee
   [2022-02-23 14:57:56] [INFO] [on.py:26] Waiting for application startup.
   INFO:     Application startup complete.
   [2022-02-23 14:57:56] [INFO] [on.py:38] Application startup complete.
-  INFO:     Uvicorn running on http://127.0.0.1:8090 (Press CTRL+C to quit)
-  [2022-02-23 14:57:56] [INFO] [server.py:204] Uvicorn running on http://127.0.0.1:8090 (Press CTRL+C to quit)
+  INFO:     Uvicorn running on http://0.0.0.0:8090 (Press CTRL+C to quit)
+  [2022-02-23 14:57:56] [INFO] [server.py:204] Uvicorn running on http://0.0.0.0:8090 (Press CTRL+C to quit)
 
   ```
 
 ### 4. ASR 客户端使用方法
 **注意：** 初次使用客户端时响应时间会略长
 - 命令行 (推荐使用)
-   ```
-   paddlespeech_client asr --server_ip 127.0.0.1 --port 8090 --input ./zh.wav
 
-   ```
+  若 `127.0.0.1` 不能访问，则需要使用实际服务 IP 地址
 
-    使用帮助:
-  
-    ```bash
-    paddlespeech_client asr --help
-    ```
+  ```
+  paddlespeech_client asr --server_ip 127.0.0.1 --port 8090 --input ./zh.wav
 
-    参数:
-    - `server_ip`: 服务端ip地址，默认: 127.0.0.1。
-    - `port`: 服务端口，默认: 8090。
-    - `input`(必须输入): 用于识别的音频文件。
-    - `sample_rate`: 音频采样率，默认值：16000。
-    - `lang`: 模型语言，默认值：zh_cn。
-    - `audio_format`: 音频格式，默认值：wav。
+  ```
 
-    输出:
+  使用帮助:
+
+  ```bash
+  paddlespeech_client asr --help
+  ```
+
+  参数:
+  - `server_ip`: 服务端ip地址，默认: 127.0.0.1。
+  - `port`: 服务端口，默认: 8090。
+  - `input`(必须输入): 用于识别的音频文件。
+  - `sample_rate`: 音频采样率，默认值：16000。
+  - `lang`: 模型语言，默认值：zh_cn。
+  - `audio_format`: 音频格式，默认值：wav。
+
+  输出:
 
-    ```bash
-    [2022-02-23 18:11:22,819] [    INFO] - {'success': True, 'code': 200, 'message': {'description': 'success'}, 'result': {'transcription': '我认为跑步最重要的就是给我带来了身体健康'}}
-    [2022-02-23 18:11:22,820] [    INFO] - time cost 0.689145 s.
-    ```
+  ```bash
+  [2022-02-23 18:11:22,819] [    INFO] - {'success': True, 'code': 200, 'message': {'description': 'success'}, 'result': {'transcription': '我认为跑步最重要的就是给我带来了身体健康'}}
+  [2022-02-23 18:11:22,820] [    INFO] - time cost 0.689145 s.
+  ```
 
 - Python API
   ```python
@@ -135,33 +138,35 @@ wget -c https://paddlespeech.bj.bcebos.com/PaddleAudio/zh.wav https://paddlespee
 ### 5. TTS 客户端使用方法
 **注意：** 初次使用客户端时响应时间会略长
 - 命令行 (推荐使用)
-
-    ```bash
-    paddlespeech_client tts --server_ip 127.0.0.1 --port 8090 --input "您好，欢迎使用百度飞桨语音合成服务。" --output output.wav
-    ```
-    使用帮助:
   
-    ```bash
-    paddlespeech_client tts --help
-    ```
-
-    参数:
-    - `server_ip`: 服务端ip地址，默认: 127.0.0.1。
-    - `port`: 服务端口，默认: 8090。
-    - `input`(必须输入): 待合成的文本。
-    - `spk_id`: 说话人 id，用于多说话人语音合成，默认值： 0。
-    - `speed`: 音频速度，该值应设置在 0 到 3 之间。 默认值：1.0
-    - `volume`: 音频音量，该值应设置在 0 到 3 之间。 默认值： 1.0
-    - `sample_rate`: 采样率，可选 [0, 8000, 16000]，默认与模型相同。 默认值：0
-    - `output`: 输出音频的路径， 默认值：None，表示不保存音频到本地。
-
-    输出:
-    ```bash
-    [2022-02-23 15:20:37,875] [    INFO] - {'description': 'success.'}
-    [2022-02-23 15:20:37,875] [    INFO] - Save synthesized audio successfully on output.wav.
-    [2022-02-23 15:20:37,875] [    INFO] - Audio duration: 3.612500 s.
-    [2022-02-23 15:20:37,875] [    INFO] - Response time: 0.348050 s.
-    ```
+  若 `127.0.0.1` 不能访问，则需要使用实际服务 IP 地址
+
+  ```bash
+  paddlespeech_client tts --server_ip 127.0.0.1 --port 8090 --input "您好，欢迎使用百度飞桨语音合成服务。" --output output.wav
+  ```
+  使用帮助:
+
+  ```bash
+  paddlespeech_client tts --help
+  ```
+
+  参数:
+  - `server_ip`: 服务端ip地址，默认: 127.0.0.1。
+  - `port`: 服务端口，默认: 8090。
+  - `input`(必须输入): 待合成的文本。
+  - `spk_id`: 说话人 id，用于多说话人语音合成，默认值： 0。
+  - `speed`: 音频速度，该值应设置在 0 到 3 之间。 默认值：1.0
+  - `volume`: 音频音量，该值应设置在 0 到 3 之间。 默认值： 1.0
+  - `sample_rate`: 采样率，可选 [0, 8000, 16000]，默认与模型相同。 默认值：0
+  - `output`: 输出音频的路径， 默认值：None，表示不保存音频到本地。
+
+  输出:
+  ```bash
+  [2022-02-23 15:20:37,875] [    INFO] - {'description': 'success.'}
+  [2022-02-23 15:20:37,875] [    INFO] - Save synthesized audio successfully on output.wav.
+  [2022-02-23 15:20:37,875] [    INFO] - Audio duration: 3.612500 s.
+  [2022-02-23 15:20:37,875] [    INFO] - Response time: 0.348050 s.
+  ```
 
 - Python API
   ```python
@@ -197,9 +202,12 @@ wget -c https://paddlespeech.bj.bcebos.com/PaddleAudio/zh.wav https://paddlespee
 
   **注意：** 初次使用客户端时响应时间会略长
   - 命令行 (推荐使用)
-   ```
-   paddlespeech_client cls --server_ip 127.0.0.1 --port 8090 --input ./zh.wav
-   ```
+
+  若 `127.0.0.1` 不能访问，则需要使用实际服务 IP 地址
+
+  ```
+  paddlespeech_client cls --server_ip 127.0.0.1 --port 8090 --input ./zh.wav
+  ```
 
   使用帮助:
   
@@ -247,15 +255,17 @@ wget -c https://paddlespeech.bj.bcebos.com/PaddleAudio/zh.wav https://paddlespee
 注意： 初次使用客户端时响应时间会略长
 * 命令行 (推荐使用)
 
-``` bash
-paddlespeech_client vector --task spk  --server_ip 127.0.0.1 --port 8090 --input 85236145389.wav
-```
+  若 `127.0.0.1` 不能访问，则需要使用实际服务 IP 地址
+
+  ``` bash
+  paddlespeech_client vector --task spk  --server_ip 127.0.0.1 --port 8090 --input 85236145389.wav
+  ```
 
 * 使用帮助:
 
-``` bash
-paddlespeech_client vector --help
-```
+  ``` bash
+  paddlespeech_client vector --help
+  ```
 * 参数:
   * server_ip: 服务端ip地址，默认: 127.0.0.1。
   * port: 服务端口，默认: 8090。
@@ -299,15 +309,17 @@ print(res)
 注意： 初次使用客户端时响应时间会略长
 * 命令行 (推荐使用)
 
-``` bash
-paddlespeech_client vector --task score  --server_ip 127.0.0.1 --port 8090 --enroll 85236145389.wav --test 123456789.wav
-```
+  若 `127.0.0.1` 不能访问，则需要使用实际服务 IP 地址
+
+  ``` bash
+  paddlespeech_client vector --task score  --server_ip 127.0.0.1 --port 8090 --enroll 85236145389.wav --test 123456789.wav
+  ```
 
 * 使用帮助:
 
-``` bash
-paddlespeech_client vector --help
-```
+  ``` bash
+  paddlespeech_client vector --help
+  ```
 
 * 参数:
   * server_ip: 服务端ip地址，默认: 127.0.0.1。
@@ -357,9 +369,12 @@ print(res)
   
   **注意：** 初次使用客户端时响应时间会略长
   - 命令行 (推荐使用)
-   ``` bash
-   paddlespeech_client text --server_ip 127.0.0.1 --port 8090 --input "我认为跑步最重要的就是给我带来了身体健康"
-   ```
+
+  若 `127.0.0.1` 不能访问，则需要使用实际服务 IP 地址
+
+  ``` bash
+  paddlespeech_client text --server_ip 127.0.0.1 --port 8090 --input "我认为跑步最重要的就是给我带来了身体健康"
+  ```
 
   使用帮助:
   
@@ -409,4 +424,4 @@ print(res)
 通过 `paddlespeech_server stats --task vector` 获取Vector服务支持的所有模型。
 
 ### Text支持的模型
-通过 `paddlespeech_server stats --task text` 获取Text服务支持的所有模型。
\ No newline at end of file
+通过 `paddlespeech_server stats --task text` 获取Text服务支持的所有模型。
diff --git a/demos/speech_server/asr_client.sh b/demos/speech_server/asr_client.sh
index afe2f82181aeab08194963d126f7621bc59b8b63..37a7ab0b02e8afd6bb7d412314e804c56a2ac254 100644
--- a/demos/speech_server/asr_client.sh
+++ b/demos/speech_server/asr_client.sh
@@ -1,4 +1,6 @@
 #!/bin/bash
 
 wget -c https://paddlespeech.bj.bcebos.com/PaddleAudio/zh.wav https://paddlespeech.bj.bcebos.com/PaddleAudio/en.wav
+
+# If `127.0.0.1` is not accessible, you need to use the actual service IP address.
 paddlespeech_client asr --server_ip 127.0.0.1 --port 8090 --input ./zh.wav
diff --git a/demos/speech_server/cls_client.sh b/demos/speech_server/cls_client.sh
index 5797aa204f6ba2cb260440e8709d7905134ddf53..67012648c7ec9ce3be6aa5f4da234116864fb503 100644
--- a/demos/speech_server/cls_client.sh
+++ b/demos/speech_server/cls_client.sh
@@ -1,4 +1,6 @@
 #!/bin/bash
 
 wget -c https://paddlespeech.bj.bcebos.com/PaddleAudio/zh.wav https://paddlespeech.bj.bcebos.com/PaddleAudio/en.wav
+
+# If `127.0.0.1` is not accessible, you need to use the actual service IP address.
 paddlespeech_client cls --server_ip 127.0.0.1 --port 8090 --input ./zh.wav --topk 1
diff --git a/demos/speech_server/conf/application.yaml b/demos/speech_server/conf/application.yaml
index 14a9195acd925d2f6f6d1a5869d44d81b2bdca06..c6588ce802caa2419425fd5b94170a1e75d16568 100644
--- a/demos/speech_server/conf/application.yaml
+++ b/demos/speech_server/conf/application.yaml
@@ -3,7 +3,7 @@
 #################################################################################
 #                             SERVER SETTING                                    #
 #################################################################################
-host: 127.0.0.1
+host: 0.0.0.0
 port: 8090
 
 # The task format in the engin_list is: <speech task>_<engine type>
@@ -157,4 +157,4 @@ vector_python:
     sample_rate: 16000
     cfg_path: # [optional]
     ckpt_path: # [optional]
-    device:  # set 'gpu:id' or 'cpu'
\ No newline at end of file
+    device:  # set 'gpu:id' or 'cpu'
diff --git a/demos/speech_server/tts_client.sh b/demos/speech_server/tts_client.sh
index a756dfd3ef555f0b74e845d1b7754bed1d826e19..a443a0a94a6a6e19f0a0cf40708ebca3e8137624 100644
--- a/demos/speech_server/tts_client.sh
+++ b/demos/speech_server/tts_client.sh
@@ -1,3 +1,4 @@
 #!/bin/bash
 
+# If `127.0.0.1` is not accessible, you need to use the actual service IP address.
 paddlespeech_client tts --server_ip 127.0.0.1 --port 8090 --input "您好，欢迎使用百度飞桨语音合成服务。" --output output.wav
diff --git a/demos/streaming_asr_server/README.md b/demos/streaming_asr_server/README.md
index 909f5a4c735841a9390404547fb915ee193f53b9..cfc89f7bea310ab825b8eb1e44d46ae96277d11b 100644
--- a/demos/streaming_asr_server/README.md
+++ b/demos/streaming_asr_server/README.md
@@ -119,9 +119,12 @@ wget -c https://paddlespeech.bj.bcebos.com/PaddleAudio/zh.wav
 
 **Note:** The response time will be slightly longer when using the client for the first time
 - Command Line (Recommended)
-   ```
-   paddlespeech_client asr_online --server_ip 127.0.0.1 --port 8090 --input ./zh.wav
-   ```
+
+  If `127.0.0.1` is not accessible, you need to use the actual service IP address.
+
+  ```
+  paddlespeech_client asr_online --server_ip 127.0.0.1 --port 8090 --input ./zh.wav
+  ```
 
   Usage:
   
@@ -374,10 +377,13 @@ wget -c https://paddlespeech.bj.bcebos.com/PaddleAudio/zh.wav
 ### 2. Client usage
 **Note** The response time will be slightly longer when using the client for the first time
 
-- Command line
-   ```
-   paddlespeech_client text --server_ip 127.0.0.1 --port 8190 --input "我认为跑步最重要的就是给我带来了身体健康"
-   ```
+- Command line:
+
+  If `127.0.0.1` is not accessible, you need to use the actual service IP address.
+
+  ```
+  paddlespeech_client text --server_ip 127.0.0.1 --port 8190 --input "我认为跑步最重要的就是给我带来了身体健康"
+  ```
   
   Output
   ```
@@ -419,6 +425,9 @@ bash server.sh
 
 ### 2. Call client
 - Command line
+
+  If `127.0.0.1` is not accessible, you need to use the actual service IP address.
+
   ```
   paddlespeech_client asr_online --server_ip 127.0.0.1 --port 8290 --punc.server_ip 127.0.0.1 --punc.port 8190 --input ./zh.wav
   ```
@@ -494,6 +503,9 @@ bash server.sh
   ```
 
 - Use script
+
+  If `127.0.0.1` is not accessible, you need to use the actual service IP address.
+
   ```
   python3 websocket_client.py --server_ip 127.0.0.1 --port 8290 --punc.server_ip 127.0.0.1 --punc.port 8190 --wavfile ./zh.wav
   ```
diff --git a/demos/streaming_asr_server/README_cn.md b/demos/streaming_asr_server/README_cn.md
index 0f1ae1c1550f14a3028cce3a04c1814798db0004..1660cef7ef1916e79711e4a3e2c757c0749ae75d 100644
--- a/demos/streaming_asr_server/README_cn.md
+++ b/demos/streaming_asr_server/README_cn.md
@@ -125,6 +125,9 @@ wget -c https://paddlespeech.bj.bcebos.com/PaddleAudio/zh.wav
 
 **注意：** 初次使用客户端时响应时间会略长
 - 命令行 (推荐使用)
+
+   若 `127.0.0.1` 不能访问，则需要使用实际服务 IP 地址
+
    ```
    paddlespeech_client asr_online --server_ip 127.0.0.1 --port 8090 --input ./zh.wav
    ```
@@ -384,6 +387,9 @@ wget -c https://paddlespeech.bj.bcebos.com/PaddleAudio/zh.wav
 **注意：** 初次使用客户端时响应时间会略长
 
 - 命令行 (推荐使用)
+
+  若 `127.0.0.1` 不能访问，则需要使用实际服务 IP 地址
+
    ```
    paddlespeech_client text --server_ip 127.0.0.1 --port 8190 --input "我认为跑步最重要的就是给我带来了身体健康"
    ```
@@ -427,6 +433,9 @@ bash server.sh
 
 ### 2. 调用服务
 - 使用命令行：
+
+  若 `127.0.0.1` 不能访问，则需要使用实际服务 IP 地址
+
   ```
   paddlespeech_client asr_online --server_ip 127.0.0.1 --port 8290 --punc.server_ip 127.0.0.1 --punc.port 8190 --input ./zh.wav
   ```
@@ -502,6 +511,9 @@ bash server.sh
   ```
 
 - 使用脚本调用
+  
+  若 `127.0.0.1` 不能访问，则需要使用实际服务 IP 地址
+
   ```
   python3 websocket_client.py --server_ip 127.0.0.1 --port 8290 --punc.server_ip 127.0.0.1 --punc.port 8190 --wavfile ./zh.wav
   ```
diff --git a/demos/streaming_asr_server/test.sh b/demos/streaming_asr_server/test.sh
index c7b57e9b3f66fc518b170d9754ddaa15dc7ae038..4f43c6534f078683329a287bb87a1c79cff15b8f 100755
--- a/demos/streaming_asr_server/test.sh
+++ b/demos/streaming_asr_server/test.sh
@@ -2,9 +2,11 @@
 wget -c https://paddlespeech.bj.bcebos.com/PaddleAudio/zh.wav 
 
 # read the wav and pass it to only streaming asr service
+# If `127.0.0.1` is not accessible, you need to use the actual service IP address.
 # python3 websocket_client.py --server_ip 127.0.0.1 --port 8290 --wavfile ./zh.wav
 paddlespeech_client asr_online --server_ip 127.0.0.1 --port 8290 --input ./zh.wav
 
 # read the wav and call streaming and punc service
+# If `127.0.0.1` is not accessible, you need to use the actual service IP address.
 # python3 websocket_client.py --server_ip 127.0.0.1 --port 8290 --punc.server_ip 127.0.0.1 --punc.port 8190 --wavfile ./zh.wav
 paddlespeech_client asr_online --server_ip 127.0.0.1 --port 8290 --punc.server_ip 127.0.0.1 --punc.port 8190 --input ./zh.wav
\ No newline at end of file
diff --git a/demos/streaming_tts_server/README.md b/demos/streaming_tts_server/README.md
index 299aa3d2aff6d46dd7b50e234b2cedf9bc3b2ba4..775cd908603d7447a7587834f11a8b3248ae9f55 100644
--- a/demos/streaming_tts_server/README.md
+++ b/demos/streaming_tts_server/README.md
@@ -63,8 +63,8 @@ The configuration file can be found in `conf/tts_online_application.yaml`.
   [2022-04-24 20:05:28] [INFO] [on.py:45] Waiting for application startup.
   INFO:     Application startup complete.
   [2022-04-24 20:05:28] [INFO] [on.py:59] Application startup complete.
-  INFO:     Uvicorn running on http://127.0.0.1:8092 (Press CTRL+C to quit)
-  [2022-04-24 20:05:28] [INFO] [server.py:211] Uvicorn running on http://127.0.0.1:8092 (Press CTRL+C to quit)
+  INFO:     Uvicorn running on http://0.0.0.0:8092 (Press CTRL+C to quit)
+  [2022-04-24 20:05:28] [INFO] [server.py:211] Uvicorn running on http://0.0.0.0:8092 (Press CTRL+C to quit)
 
   ```
 
@@ -90,8 +90,8 @@ The configuration file can be found in `conf/tts_online_application.yaml`.
   [2022-04-24 21:00:17] [INFO] [on.py:45] Waiting for application startup.
   INFO:     Application startup complete.
   [2022-04-24 21:00:17] [INFO] [on.py:59] Application startup complete.
-  INFO:     Uvicorn running on http://127.0.0.1:8092 (Press CTRL+C to quit)
-  [2022-04-24 21:00:17] [INFO] [server.py:211] Uvicorn running on http://127.0.0.1:8092 (Press CTRL+C to quit)
+  INFO:     Uvicorn running on http://0.0.0.0:8092 (Press CTRL+C to quit)
+  [2022-04-24 21:00:17] [INFO] [server.py:211] Uvicorn running on http://0.0.0.0:8092 (Press CTRL+C to quit)
 
 
   ```
@@ -101,6 +101,8 @@ The configuration file can be found in `conf/tts_online_application.yaml`.
 
     Access http streaming TTS service:
 
+    If `127.0.0.1` is not accessible, you need to use the actual service IP address.
+
     ```bash
     paddlespeech_client tts_online --server_ip 127.0.0.1 --port 8092 --protocol http --input "您好，欢迎使用百度飞桨语音合成服务。" --output output.wav
     ```
@@ -198,8 +200,8 @@ The configuration file can be found in `conf/tts_online_application.yaml`.
     [2022-04-27 10:18:09] [INFO] [on.py:45] Waiting for application startup.
     INFO:     Application startup complete.
     [2022-04-27 10:18:09] [INFO] [on.py:59] Application startup complete.
-    INFO:     Uvicorn running on http://127.0.0.1:8092 (Press CTRL+C to quit)
-    [2022-04-27 10:18:09] [INFO] [server.py:211] Uvicorn running on http://127.0.0.1:8092 (Press CTRL+C to quit)
+    INFO:     Uvicorn running on http://0.0.0.0:8092 (Press CTRL+C to quit)
+    [2022-04-27 10:18:09] [INFO] [server.py:211] Uvicorn running on http://0.0.0.0:8092 (Press CTRL+C to quit)
 
 
   ```
@@ -226,8 +228,8 @@ The configuration file can be found in `conf/tts_online_application.yaml`.
     [2022-04-27 10:20:16] [INFO] [on.py:45] Waiting for application startup.
     INFO:     Application startup complete.
     [2022-04-27 10:20:16] [INFO] [on.py:59] Application startup complete.
-    INFO:     Uvicorn running on http://127.0.0.1:8092 (Press CTRL+C to quit)
-    [2022-04-27 10:20:16] [INFO] [server.py:211] Uvicorn running on http://127.0.0.1:8092 (Press CTRL+C to quit)
+    INFO:     Uvicorn running on http://0.0.0.0:8092 (Press CTRL+C to quit)
+    [2022-04-27 10:20:16] [INFO] [server.py:211] Uvicorn running on http://0.0.0.0:8092 (Press CTRL+C to quit)
 
   ```
 
@@ -236,6 +238,8 @@ The configuration file can be found in `conf/tts_online_application.yaml`.
 
     Access websocket streaming TTS service:
 
+    If `127.0.0.1` is not accessible, you need to use the actual service IP address.
+
     ```bash
     paddlespeech_client tts_online --server_ip 127.0.0.1 --port 8092 --protocol websocket --input "您好，欢迎使用百度飞桨语音合成服务。" --output output.wav
     ```
diff --git a/demos/streaming_tts_server/README_cn.md b/demos/streaming_tts_server/README_cn.md
index bb159503d2656b43d6b6ecbffab2deadf927ee84..9c2cc50ecca8b8c38d41593eefa5020cc67ab63b 100644
--- a/demos/streaming_tts_server/README_cn.md
+++ b/demos/streaming_tts_server/README_cn.md
@@ -62,8 +62,8 @@
   [2022-04-24 20:05:28] [INFO] [on.py:45] Waiting for application startup.
   INFO:     Application startup complete.
   [2022-04-24 20:05:28] [INFO] [on.py:59] Application startup complete.
-  INFO:     Uvicorn running on http://127.0.0.1:8092 (Press CTRL+C to quit)
-  [2022-04-24 20:05:28] [INFO] [server.py:211] Uvicorn running on http://127.0.0.1:8092 (Press CTRL+C to quit)
+  INFO:     Uvicorn running on http://0.0.0.0:8092 (Press CTRL+C to quit)
+  [2022-04-24 20:05:28] [INFO] [server.py:211] Uvicorn running on http://0.0.0.0:8092 (Press CTRL+C to quit)
 
   ```
 
@@ -89,8 +89,8 @@
   [2022-04-24 21:00:17] [INFO] [on.py:45] Waiting for application startup.
   INFO:     Application startup complete.
   [2022-04-24 21:00:17] [INFO] [on.py:59] Application startup complete.
-  INFO:     Uvicorn running on http://127.0.0.1:8092 (Press CTRL+C to quit)
-  [2022-04-24 21:00:17] [INFO] [server.py:211] Uvicorn running on http://127.0.0.1:8092 (Press CTRL+C to quit)
+  INFO:     Uvicorn running on http://0.0.0.0:8092 (Press CTRL+C to quit)
+  [2022-04-24 21:00:17] [INFO] [server.py:211] Uvicorn running on http://0.0.0.0:8092 (Press CTRL+C to quit)
 
 
   ```
@@ -100,6 +100,8 @@
 
     访问 http 流式TTS服务：
 
+    若 `127.0.0.1` 不能访问，则需要使用实际服务 IP 地址
+
     ```bash
     paddlespeech_client tts_online --server_ip 127.0.0.1 --port 8092 --protocol http --input "您好，欢迎使用百度飞桨语音合成服务。" --output output.wav
     ```
@@ -198,8 +200,8 @@
     [2022-04-27 10:18:09] [INFO] [on.py:45] Waiting for application startup.
     INFO:     Application startup complete.
     [2022-04-27 10:18:09] [INFO] [on.py:59] Application startup complete.
-    INFO:     Uvicorn running on http://127.0.0.1:8092 (Press CTRL+C to quit)
-    [2022-04-27 10:18:09] [INFO] [server.py:211] Uvicorn running on http://127.0.0.1:8092 (Press CTRL+C to quit)
+    INFO:     Uvicorn running on http://0.0.0.0:8092 (Press CTRL+C to quit)
+    [2022-04-27 10:18:09] [INFO] [server.py:211] Uvicorn running on http://0.0.0.0:8092 (Press CTRL+C to quit)
 
 
   ```
@@ -226,8 +228,8 @@
     [2022-04-27 10:20:16] [INFO] [on.py:45] Waiting for application startup.
     INFO:     Application startup complete.
     [2022-04-27 10:20:16] [INFO] [on.py:59] Application startup complete.
-    INFO:     Uvicorn running on http://127.0.0.1:8092 (Press CTRL+C to quit)
-    [2022-04-27 10:20:16] [INFO] [server.py:211] Uvicorn running on http://127.0.0.1:8092 (Press CTRL+C to quit)
+    INFO:     Uvicorn running on http://0.0.0.0:8092 (Press CTRL+C to quit)
+    [2022-04-27 10:20:16] [INFO] [server.py:211] Uvicorn running on http://0.0.0.0:8092 (Press CTRL+C to quit)
 
   ```
 
@@ -236,6 +238,8 @@
 
     访问 websocket 流式TTS服务：
 
+    若 `127.0.0.1` 不能访问，则需要使用实际服务 IP 地址
+
     ```bash
     paddlespeech_client tts_online --server_ip 127.0.0.1 --port 8092 --protocol websocket --input "您好，欢迎使用百度飞桨语音合成服务。" --output output.wav
     ```
diff --git a/demos/streaming_tts_server/conf/tts_online_application.yaml b/demos/streaming_tts_server/conf/tts_online_application.yaml
index 714f4a68969b2ec196c483692c4f712baeaad3a3..964e85ef95a80db29a35ee9a69e5909c1aef70d8 100644
--- a/demos/streaming_tts_server/conf/tts_online_application.yaml
+++ b/demos/streaming_tts_server/conf/tts_online_application.yaml
@@ -3,7 +3,7 @@
 #################################################################################
 #                             SERVER SETTING                                    #
 #################################################################################
-host: 127.0.0.1
+host: 0.0.0.0
 port: 8092
 
 # The task format in the engin_list is: <speech task>_<engine type>
diff --git a/demos/streaming_tts_server/test_client.sh b/demos/streaming_tts_server/test_client.sh
index 8698209521d4ed05ca53d4844e7b7bcba06f7cca..bd88f20b1bce760437c5c2bf7ffa85624b5490e2 100644
--- a/demos/streaming_tts_server/test_client.sh
+++ b/demos/streaming_tts_server/test_client.sh
@@ -1,7 +1,9 @@
 #!/bin/bash
 
 # http client test
+# If `127.0.0.1` is not accessible, you need to use the actual service IP address.
 paddlespeech_client tts_online --server_ip 127.0.0.1 --port 8092 --protocol http --input "您好，欢迎使用百度飞桨语音合成服务。" --output output.wav
 
 # websocket client test
-#paddlespeech_client tts_online --server_ip 127.0.0.1 --port 8092 --protocol websocket --input "您好，欢迎使用百度飞桨语音合成服务。" --output output.wav
+# If `127.0.0.1` is not accessible, you need to use the actual service IP address.
+# paddlespeech_client tts_online --server_ip 127.0.0.1 --port 8092 --protocol websocket --input "您好，欢迎使用百度飞桨语音合成服务。" --output output.wav
diff --git a/paddlespeech/server/bin/paddlespeech_client.py b/paddlespeech/server/bin/paddlespeech_client.py
index 3adf8015bbceda29fe678ee0f452212b4f36f8cb..c3ecaa717bc78199edf76fd390485a8ec5b82498 100644
--- a/paddlespeech/server/bin/paddlespeech_client.py
+++ b/paddlespeech/server/bin/paddlespeech_client.py
@@ -20,6 +20,7 @@ import os
 import random
 import sys
 import time
+import warnings
 from typing import List
 
 import numpy as np
@@ -34,6 +35,7 @@ from paddlespeech.server.utils.audio_handler import ASRWsAudioHandler
 from paddlespeech.server.utils.audio_process import wav2pcm
 from paddlespeech.server.utils.util import compute_delay
 from paddlespeech.server.utils.util import wav2base64
+warnings.filterwarnings("ignore")
 
 __all__ = [
     'TTSClientExecutor', 'TTSOnlineClientExecutor', 'ASRClientExecutor',
diff --git a/paddlespeech/server/bin/paddlespeech_server.py b/paddlespeech/server/bin/paddlespeech_server.py
index db92f17950c39ca57c3fd0425ccc5b9528df5123..0a0c863750e4000e22aea89bea061f2165e211e4 100644
--- a/paddlespeech/server/bin/paddlespeech_server.py
+++ b/paddlespeech/server/bin/paddlespeech_server.py
@@ -13,11 +13,13 @@
 # limitations under the License.
 import argparse
 import sys
+import warnings
 from typing import List
 
 import uvicorn
 from fastapi import FastAPI
 from prettytable import PrettyTable
+from starlette.middleware.cors import CORSMiddleware
 
 from ..executor import BaseExecutor
 from ..util import cli_server_register
@@ -27,12 +29,20 @@ from paddlespeech.server.engine.engine_pool import init_engine_pool
 from paddlespeech.server.restful.api import setup_router as setup_http_router
 from paddlespeech.server.utils.config import get_config
 from paddlespeech.server.ws.api import setup_router as setup_ws_router
+warnings.filterwarnings("ignore")
 
 __all__ = ['ServerExecutor', 'ServerStatsExecutor']
 
 app = FastAPI(
     title="PaddleSpeech Serving API", description="Api", version="0.0.1")
 
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=["*"],
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"])
+
 
 @cli_server_register(
     name='paddlespeech_server.start', description='Start the service')
diff --git a/paddlespeech/server/conf/application.yaml b/paddlespeech/server/conf/application.yaml
index 31a37ef04e2dc910314bad88c1e81fdbff07bb4b..8650154e953c9db0dcc4eb03e598cef64f648878 100644
--- a/paddlespeech/server/conf/application.yaml
+++ b/paddlespeech/server/conf/application.yaml
@@ -3,7 +3,7 @@
 #################################################################################
 #                             SERVER SETTING                                    #
 #################################################################################
-host: 127.0.0.1
+host: 0.0.0.0
 port: 8090
 
 # The task format in the engin_list is: <speech task>_<engine type>
@@ -157,4 +157,4 @@ vector_python:
     sample_rate: 16000
     cfg_path: # [optional]
     ckpt_path: # [optional]
-    device:  # set 'gpu:id' or 'cpu'
\ No newline at end of file
+    device:  # set 'gpu:id' or 'cpu'
diff --git a/paddlespeech/server/conf/tts_online_application.yaml b/paddlespeech/server/conf/tts_online_application.yaml
index 714f4a68969b2ec196c483692c4f712baeaad3a3..964e85ef95a80db29a35ee9a69e5909c1aef70d8 100644
--- a/paddlespeech/server/conf/tts_online_application.yaml
+++ b/paddlespeech/server/conf/tts_online_application.yaml
@@ -3,7 +3,7 @@
 #################################################################################
 #                             SERVER SETTING                                    #
 #################################################################################
-host: 127.0.0.1
+host: 0.0.0.0
 port: 8092
 
 # The task format in the engin_list is: <speech task>_<engine type>
diff --git a/tests/unit/server/offline/conf/application.yaml b/tests/unit/server/offline/conf/application.yaml
index 762f4af6e952fad3c671b452899584ffcfe81aeb..ce399e288c9e4c51069538962568dfaa03565f8e 100644
--- a/tests/unit/server/offline/conf/application.yaml
+++ b/tests/unit/server/offline/conf/application.yaml
@@ -3,7 +3,7 @@
 #################################################################################
 #                             SERVER SETTING                                    #
 #################################################################################
-host: 127.0.0.1
+host: 0.0.0.0
 port: 8090
 
 # The task format in the engin_list is: <speech task>_<engine type>
diff --git a/tests/unit/server/online/tts/check_server/conf/application.yaml b/tests/unit/server/online/tts/check_server/conf/application.yaml
index dd1a7e197875df335b491f5fab971c58bc7d1a23..9bf663964c93c3a3de886664451ea93f2953aa06 100644
--- a/tests/unit/server/online/tts/check_server/conf/application.yaml
+++ b/tests/unit/server/online/tts/check_server/conf/application.yaml
@@ -3,7 +3,7 @@
 #################################################################################
 #                             SERVER SETTING                                    #
 #################################################################################
-host: 127.0.0.1
+host: 0.0.0.0
 port: 8092
 
 # The task format in the engin_list is: <speech task>_<engine type>
diff --git a/tests/unit/server/online/tts/check_server/tts_online_application.yaml b/tests/unit/server/online/tts/check_server/tts_online_application.yaml
index dd1a7e197875df335b491f5fab971c58bc7d1a23..9bf663964c93c3a3de886664451ea93f2953aa06 100644
--- a/tests/unit/server/online/tts/check_server/tts_online_application.yaml
+++ b/tests/unit/server/online/tts/check_server/tts_online_application.yaml
@@ -3,7 +3,7 @@
 #################################################################################
 #                             SERVER SETTING                                    #
 #################################################################################
-host: 127.0.0.1
+host: 0.0.0.0
 port: 8092
 
 # The task format in the engin_list is: <speech task>_<engine type>