diff --git a/modules/image/text_to_image/ernie_vilg/README.md b/modules/image/text_to_image/ernie_vilg/README.md
index 60c34a93a47ff04c6871fdb66744d0c3ae7cccba..44644e7548c4f0838b3a2d95ba0fe05461273b20 100755
--- a/modules/image/text_to_image/ernie_vilg/README.md
+++ b/modules/image/text_to_image/ernie_vilg/README.md
@@ -54,12 +54,17 @@
   - 如您安装时遇到问题，可参考：[零基础windows安装](../../../../docs/docs_ch/get_start/windows_quickstart.md)
  | [零基础Linux安装](../../../../docs/docs_ch/get_start/linux_quickstart.md) | [零基础MacOS安装](../../../../docs/docs_ch/get_start/mac_quickstart.md)
 
+- ### 3. 使用申请（可选）
+  - 请前往 [文心旸谷社区](https://wenxin.baidu.com/moduleApi/key) 申请使用本模型所需的 API key 和 Secret Key。
 
 ## 三、模型API预测  
 
 - ### 1、命令行预测
 
   - ```shell
+    # 请设置 '--ak' 和 '--sk' 参数
+    # 或者设置 'WENXIN_AK' 和 'WENXIN_SK' 环境变量
+    # 更多细节参考下方 API 说明
     $ hub run ernie_vilg --text_prompts "宁静的小镇" --style "油画" --output_dir ernie_vilg_out
     ```
 
@@ -68,6 +73,9 @@
   - ```python
     import paddlehub as hub
 
+    # 请设置 'ak' 和 'sk' 参数
+    # 或者设置 'WENXIN_AK' 和 'WENXIN_SK' 环境变量
+    # 更多细节参考下方 API 说明
     module = hub.Module(name="ernie_vilg")
     text_prompts = ["宁静的小镇"]
     images = module.generate_image(text_prompts=text_prompts, style='油画', output_dir='./ernie_vilg_out/')  
@@ -75,12 +83,27 @@
 
 - ### 3、API
 
+  - ```python
+    def __init__(
+      ak: Optional[str] = None,
+      sk: Optional[str] = None
+    )
+    ```
+
+    - 初始化 API。
+
+    - **参数**
+
+      - ak(Optional[str]): 文心 API AK，默认为 None，即从环境变量 'WENXIN_AK' 中获取；
+      - sk(Optional[str]): 文心 API SK，默认为 None，即从环境变量 'WENXIN_SK' 中获取。
+
   - ```python
     def generate_image(
-              text_prompts:str,
-              style: Optional[str] = "探索无限",
-              topk: Optional[int] = 6,
-              output_dir: Optional[str] = 'ernievilg_output')
+      text_prompts:str,
+      style: Optional[str] = "探索无限",
+      topk: Optional[int] = 6,
+      output_dir: Optional[str] = 'ernievilg_output'
+    )
     ```
 
     - 文图生成API，生成文本描述内容的图像。
@@ -390,7 +413,7 @@ DiscoDiffusion Prompt 技巧资料：https://docs.google.com/document/d/1l8s7uS2
 
 * 1.2.0
 
-  移除分辨率参数
+  移除分辨率参数，移除默认 AK 和 SK
 
   ```shell
   $ hub install ernie_vilg == 1.2.0
diff --git a/modules/image/text_to_image/ernie_vilg/__init__.py b/modules/image/text_to_image/ernie_vilg/__init__.py
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git a/modules/image/text_to_image/ernie_vilg/module.py b/modules/image/text_to_image/ernie_vilg/module.py
index a1e41ac18bafb8a8af3f7df2ccbcb143bc57b0df..84c6d3a010cb14b63557dd38c8b916d85f475a63 100755
--- a/modules/image/text_to_image/ernie_vilg/module.py
+++ b/modules/image/text_to_image/ernie_vilg/module.py
@@ -27,19 +27,17 @@ class ErnieVilG:
       :param ak: ak for applying token to request wenxin api.
       :param sk: sk for applying token to request wenxin api.
       """
-        if ak is None or sk is None:
-            self.ak = 'G26BfAOLpGIRBN5XrOV2eyPA25CE01lE'
-            self.sk = 'txLZOWIjEqXYMU3lSm05ViW4p9DWGOWs'
-        else:
-            self.ak = ak
-            self.sk = sk
+        self.ak = ak
+        self.sk = sk
         self.token_host = 'https://wenxin.baidu.com/younger/portal/api/oauth/token'
         self.token = self._apply_token(self.ak, self.sk)
 
     def _apply_token(self, ak, sk):
-        if ak is None or sk is None:
-            ak = self.ak
-            sk = self.sk
+        ak = ak if ak else os.getenv('WENXIN_AK')
+        sk = sk if sk else os.getenv('WENXIN_SK')
+        assert ak and sk, RuntimeError(
+            'Please go to the wenxin official website to apply for AK and SK and set the parameters “ak” and “sk” correctly, or set the environment variables “WENXIN_AK” and “WENXIN_SK”.'
+        )
         response = requests.get(self.token_host,
                                 params={
                                     'grant_type': 'client_credentials',
@@ -145,7 +143,7 @@ class ErnieVilG:
                 time.sleep(5)
                 continue
             else:
-                time.sleep(6)
+                time.sleep(10)
             if not taskids:
                 break
             has_done = []
@@ -226,10 +224,9 @@ class ErnieVilG:
         self.arg_input_group = self.parser.add_argument_group(title="Input options", description="Input data. Required")
         self.add_module_input_arg()
         args = self.parser.parse_args(argvs)
-        if args.ak is not None and args.sk is not None:
-            self.ak = args.ak
-            self.sk = args.sk
-            self.token = self._apply_token(self.ak, self.sk)
+        self.ak = args.ak
+        self.sk = args.sk
+        self.token = self._apply_token(self.ak, self.sk)
         results = self.generate_image(text_prompts=args.text_prompts,
                                       style=args.style,
                                       topk=args.topk,
diff --git a/modules/image/text_to_image/ernie_vilg/test.py b/modules/image/text_to_image/ernie_vilg/test.py
index a549a734ceefea3299154647ca1901b516ebe654..370b7a979531037854bfbac0b465e1ab31f6453f 100644
--- a/modules/image/text_to_image/ernie_vilg/test.py
+++ b/modules/image/text_to_image/ernie_vilg/test.py
@@ -16,7 +16,7 @@ class TestHubModule(unittest.TestCase):
 
     def test_generate_image(self):
         self.module.generate_image(text_prompts=['戴眼镜的猫'],
-                                   style="探索无限",
+                                   style="像素风格",
                                    topk=6,
                                    visualization=True,
                                    output_dir='ernievilg_output')