diff --git a/swagger-docs/en/trade/asset/account.yml b/swagger-docs/en/trade/asset/account.yml
index 0bb56338..fc8fe30a 100644
--- a/swagger-docs/en/trade/asset/account.yml
+++ b/swagger-docs/en/trade/asset/account.yml
@@ -21,12 +21,23 @@ paths:
       request_body:
         type: "python"
         value: |
+          from longbridge.http import Auth, Config, HttpClient
+
+          URL = "https://openapi.lbkrs.com"
+
           def example():
-            from longbridge.http import Auth, Config, HttpClient
-            auth = Auth("${APP_KEY}", "${APP_SECRET}", "${ACCESS_TOKEN}")
-            config = Config(base_url = "https://openapi.lbkrs.com")
-            client = HttpClient(auth, config)
-            result = client.get("/v1/asset/account")
+              """
+              下单接口
+                  前置条件：账号需要有充足金额
+              """
+              auth = Auth(os.getenv("LONGBRIDGE_APP_KEY"), os.getenv("LONGBRIDGE_APP_SECRET"), access_token=os.getenv("LONGBRIDGE_ACCESS_TOKEN"))
+              config = Config(base_url=URL)
+              client = HttpClient(auth, config)
+              result = client.get("/v1/asset/account")
+              print(result.data)
+
+          if __name__ == "__main__":
+              example()
       response_body:
         {
           "code": 0,
diff --git a/swagger-docs/en/trade/asset/cashflow.yml b/swagger-docs/en/trade/asset/cashflow.yml
index 0ecd70db..0d154b82 100644
--- a/swagger-docs/en/trade/asset/cashflow.yml
+++ b/swagger-docs/en/trade/asset/cashflow.yml
@@ -47,12 +47,23 @@ paths:
       request_body:
         type: "python"
         value: |
+          from longbridge.http import Auth, Config, HttpClient
+
+          URL = "https://openapi.lbkrs.com"
+
           def example():
-            from longbridge.http import Auth, Config, HttpClient
-            auth = Auth("${APP_KEY}", "${APP_SECRET}", "${ACCESS_TOKEN}")
-            config = Config(base_url = "https://openapi.lbkrs.com")
-            client = HttpClient(auth, config)
-            result = client.get("/v1/asset/cashflow",{"start_time":"1623881671","end_time":"1626881673"})
+              """
+              下单接口
+                  前置条件：账号需要有充足金额
+              """
+              auth = Auth(os.getenv("LONGBRIDGE_APP_KEY"), os.getenv("LONGBRIDGE_APP_SECRET"), access_token=os.getenv("LONGBRIDGE_ACCESS_TOKEN"))
+              config = Config(base_url=URL)
+              client = HttpClient(auth, config)
+              result = client.get("/v1/asset/cashflow",{"start_time":"1623881671","end_time":"1626881673"})
+              print(result.data)
+
+          if __name__ == "__main__":
+              example()
       response_body:
         {
           "code": 0,
diff --git a/swagger-docs/en/trade/asset/fund.yml b/swagger-docs/en/trade/asset/fund.yml
index bb6085c5..f8860bcf 100644
--- a/swagger-docs/en/trade/asset/fund.yml
+++ b/swagger-docs/en/trade/asset/fund.yml
@@ -26,12 +26,23 @@ paths:
       request_body:
         type: "python"
         value: |
+          from longbridge.http import Auth, Config, HttpClient
+
+          URL = "https://openapi.lbkrs.com"
+
           def example():
-            from longbridge.http import Auth, Config, HttpClient
-            auth = Auth("${APP_KEY}", "${APP_SECRET}", "${ACCESS_TOKEN}")
-            config = Config(base_url = "https://openapi.lbkrs.com")
-            client = HttpClient(auth, config)
-            result = client.get("/v1/asset/fund")
+              """
+              下单接口
+                  前置条件：账号需要有充足金额
+              """
+              auth = Auth(os.getenv("LONGBRIDGE_APP_KEY"), os.getenv("LONGBRIDGE_APP_SECRET"), access_token=os.getenv("LONGBRIDGE_ACCESS_TOKEN"))
+              config = Config(base_url=URL)
+              client = HttpClient(auth, config)
+              result = client.get("/v1/asset/fund")
+              print(result.data)
+
+          if __name__ == "__main__":
+              example()
       response_body:
         {
           "code": 0,
diff --git a/swagger-docs/en/trade/asset/stock.yml b/swagger-docs/en/trade/asset/stock.yml
index ab5a8325..832cb0f6 100644
--- a/swagger-docs/en/trade/asset/stock.yml
+++ b/swagger-docs/en/trade/asset/stock.yml
@@ -26,12 +26,23 @@ paths:
       request_body:
         type: "python"
         value: |
+          from longbridge.http import Auth, Config, HttpClient
+
+          URL = "https://openapi.lbkrs.com"
+
           def example():
-            from longbridge.http import Auth, Config, HttpClient
-            auth = Auth("${APP_KEY}", "${APP_SECRET}", "${ACCESS_TOKEN}")
-            config = Config(base_url = "https://openapi.lbkrs.com")
-            client = HttpClient(auth, config)
-            result = client.get("/v1/asset/stock")
+              """
+              下单接口
+                  前置条件：账号需要有充足金额
+              """
+              auth = Auth(os.getenv("LONGBRIDGE_APP_KEY"), os.getenv("LONGBRIDGE_APP_SECRET"), access_token=os.getenv("LONGBRIDGE_ACCESS_TOKEN"))
+              config = Config(base_url=URL)
+              client = HttpClient(auth, config)
+              result = client.get("/v1/asset/stock")
+              print(result.data)
+
+          if __name__ == "__main__":
+              example()
       response_body:
         {
           "code": 0,
diff --git a/swagger-docs/zh-CN/trade/asset/account.yml b/swagger-docs/zh-CN/trade/asset/account.yml
index 9585f825..d98c34f8 100644
--- a/swagger-docs/zh-CN/trade/asset/account.yml
+++ b/swagger-docs/zh-CN/trade/asset/account.yml
@@ -21,12 +21,23 @@ paths:
       request_body:
         type: "python"
         value: |
-          def example():
-            from longbridge.http import Auth, Config, HttpClient
-            auth = Auth("${APP_KEY}", "${APP_SECRET}", "${ACCESS_TOKEN}")
-            config = Config(base_url = "https://openapi.lbkrs.com")
-            client = HttpClient(auth, config)
-            result = client.get("/v1/asset/account")
+          from longbridge.http import Auth, Config, HttpClient
+
+                    URL = "https://openapi.lbkrs.com"
+
+                    def example():
+                        """
+                        下单接口
+                            前置条件：账号需要有充足金额
+                        """
+                        auth = Auth(os.getenv("LONGBRIDGE_APP_KEY"), os.getenv("LONGBRIDGE_APP_SECRET"), access_token=os.getenv("LONGBRIDGE_ACCESS_TOKEN"))
+                        config = Config(base_url=URL)
+                        client = HttpClient(auth, config)
+                        result = client.get("/v1/asset/account")
+                        print(result.data)
+
+                    if __name__ == "__main__":
+                        example()
       response_body:
         {
           "code": 0,
diff --git a/swagger-docs/zh-CN/trade/asset/cashflow.yml b/swagger-docs/zh-CN/trade/asset/cashflow.yml
index 9e4185fe..a43a643f 100644
--- a/swagger-docs/zh-CN/trade/asset/cashflow.yml
+++ b/swagger-docs/zh-CN/trade/asset/cashflow.yml
@@ -47,12 +47,23 @@ paths:
       request_body:
         type: "python"
         value: |
-          def example():
-            from longbridge.http import Auth, Config, HttpClient
-            auth = Auth("${APP_KEY}", "${APP_SECRET}", "${ACCESS_TOKEN}")
-            config = Config(base_url = "https://openapi.lbkrs.com")
-            client = HttpClient(auth, config)
-            result = client.get("/v1/asset/cashflow",{"start_time":"1623881671","end_time":"1626881673"})
+          from longbridge.http import Auth, Config, HttpClient
+
+                    URL = "https://openapi.lbkrs.com"
+
+                    def example():
+                        """
+                        下单接口
+                            前置条件：账号需要有充足金额
+                        """
+                        auth = Auth(os.getenv("LONGBRIDGE_APP_KEY"), os.getenv("LONGBRIDGE_APP_SECRET"), access_token=os.getenv("LONGBRIDGE_ACCESS_TOKEN"))
+                        config = Config(base_url=URL)
+                        client = HttpClient(auth, config)
+                        result = client.get("/v1/asset/cashflow",{"start_time":"1623881671","end_time":"1626881673"})
+                        print(result.data)
+
+                    if __name__ == "__main__":
+                        example()
       response_body:
         {
           "code": 0,
diff --git a/swagger-docs/zh-CN/trade/asset/fund.yml b/swagger-docs/zh-CN/trade/asset/fund.yml
index 53b871a7..a8e60749 100644
--- a/swagger-docs/zh-CN/trade/asset/fund.yml
+++ b/swagger-docs/zh-CN/trade/asset/fund.yml
@@ -26,12 +26,23 @@ paths:
       request_body:
         type: "python"
         value: |
-          def example():
-            from longbridge.http import Auth, Config, HttpClient
-            auth = Auth("${APP_KEY}", "${APP_SECRET}", "${ACCESS_TOKEN}")
-            config = Config(base_url = "https://openapi.lbkrs.com")
-            client = HttpClient(auth, config)
-            result = client.get("/v1/asset/fund")
+          from longbridge.http import Auth, Config, HttpClient
+
+                    URL = "https://openapi.lbkrs.com"
+
+                    def example():
+                        """
+                        下单接口
+                            前置条件：账号需要有充足金额
+                        """
+                        auth = Auth(os.getenv("LONGBRIDGE_APP_KEY"), os.getenv("LONGBRIDGE_APP_SECRET"), access_token=os.getenv("LONGBRIDGE_ACCESS_TOKEN"))
+                        config = Config(base_url=URL)
+                        client = HttpClient(auth, config)
+                        result = client.get("/v1/asset/fund")
+                        print(result.data)
+
+                    if __name__ == "__main__":
+                        example()
       response_body:
         {
           "code": 0,
diff --git a/swagger-docs/zh-CN/trade/asset/stock.yml b/swagger-docs/zh-CN/trade/asset/stock.yml
index 2afbe383..88985d1a 100644
--- a/swagger-docs/zh-CN/trade/asset/stock.yml
+++ b/swagger-docs/zh-CN/trade/asset/stock.yml
@@ -26,12 +26,23 @@ paths:
       request_body:
         type: "python"
         value: |
-          def example():
-            from longbridge.http import Auth, Config, HttpClient
-            auth = Auth("${APP_KEY}", "${APP_SECRET}", "${ACCESS_TOKEN}")
-            config = Config(base_url = "https://openapi.lbkrs.com")
-            client = HttpClient(auth, config)
-            result = client.get("/v1/asset/stock")
+          from longbridge.http import Auth, Config, HttpClient
+
+                    URL = "https://openapi.lbkrs.com"
+
+                    def example():
+                        """
+                        下单接口
+                            前置条件：账号需要有充足金额
+                        """
+                        auth = Auth(os.getenv("LONGBRIDGE_APP_KEY"), os.getenv("LONGBRIDGE_APP_SECRET"), access_token=os.getenv("LONGBRIDGE_ACCESS_TOKEN"))
+                        config = Config(base_url=URL)
+                        client = HttpClient(auth, config)
+                        result = client.get("/v1/asset/stock")
+                        print(result.data)
+
+                    if __name__ == "__main__":
+                        example()
       response_body:
         {
           "code": 0,
diff --git a/swagger-docs/zh-HK/trade/asset/account.yml b/swagger-docs/zh-HK/trade/asset/account.yml
index 76f9d25a..3cad5952 100644
--- a/swagger-docs/zh-HK/trade/asset/account.yml
+++ b/swagger-docs/zh-HK/trade/asset/account.yml
@@ -21,12 +21,23 @@ paths:
       request_body:
         type: "python"
         value: |
-          def example():
-            from longbridge.http import Auth, Config, HttpClient
-            auth = Auth("${APP_KEY}", "${APP_SECRET}", "${ACCESS_TOKEN}")
-            config = Config(base_url = "https://openapi.lbkrs.com")
-            client = HttpClient(auth, config)
-            result = client.get("/v1/asset/account")
+          from longbridge.http import Auth, Config, HttpClient
+
+                    URL = "https://openapi.lbkrs.com"
+
+                    def example():
+                        """
+                        下单接口
+                            前置条件：账号需要有充足金额
+                        """
+                        auth = Auth(os.getenv("LONGBRIDGE_APP_KEY"), os.getenv("LONGBRIDGE_APP_SECRET"), access_token=os.getenv("LONGBRIDGE_ACCESS_TOKEN"))
+                        config = Config(base_url=URL)
+                        client = HttpClient(auth, config)
+                        result = client.get("/v1/asset/account")
+                        print(result.data)
+
+                    if __name__ == "__main__":
+                        example()
       response_body:
         {
           "code": 0,
diff --git a/swagger-docs/zh-HK/trade/asset/cashflow.yml b/swagger-docs/zh-HK/trade/asset/cashflow.yml
index ebbac9e8..4f8b12a2 100644
--- a/swagger-docs/zh-HK/trade/asset/cashflow.yml
+++ b/swagger-docs/zh-HK/trade/asset/cashflow.yml
@@ -47,12 +47,23 @@ paths:
       request_body:
         type: "python"
         value: |
-          def example():
-            from longbridge.http import Auth, Config, HttpClient
-            auth = Auth("${APP_KEY}", "${APP_SECRET}", "${ACCESS_TOKEN}")
-            config = Config(base_url = "https://openapi.lbkrs.com")
-            client = HttpClient(auth, config)
-            result = client.get("/v1/asset/cashflow",{"start_time":"1623881671","end_time":"1626881673"})
+          from longbridge.http import Auth, Config, HttpClient
+
+                    URL = "https://openapi.lbkrs.com"
+
+                    def example():
+                        """
+                        下单接口
+                            前置条件：账号需要有充足金额
+                        """
+                        auth = Auth(os.getenv("LONGBRIDGE_APP_KEY"), os.getenv("LONGBRIDGE_APP_SECRET"), access_token=os.getenv("LONGBRIDGE_ACCESS_TOKEN"))
+                        config = Config(base_url=URL)
+                        client = HttpClient(auth, config)
+                        result = client.get("/v1/asset/cashflow",{"start_time":"1623881671","end_time":"1626881673"})
+                        print(result.data)
+
+                    if __name__ == "__main__":
+                        example()
       response_body:
         {
           "code": 0,
diff --git a/swagger-docs/zh-HK/trade/asset/fund.yml b/swagger-docs/zh-HK/trade/asset/fund.yml
index 89b49036..575d3762 100644
--- a/swagger-docs/zh-HK/trade/asset/fund.yml
+++ b/swagger-docs/zh-HK/trade/asset/fund.yml
@@ -26,12 +26,23 @@ paths:
       request_body:
         type: "python"
         value: |
-          def example():
-            from longbridge.http import Auth, Config, HttpClient
-            auth = Auth("${APP_KEY}", "${APP_SECRET}", "${ACCESS_TOKEN}")
-            config = Config(base_url = "https://openapi.lbkrs.com")
-            client = HttpClient(auth, config)
-            result = client.get("/v1/asset/fund")
+          from longbridge.http import Auth, Config, HttpClient
+
+                    URL = "https://openapi.lbkrs.com"
+
+                    def example():
+                        """
+                        下单接口
+                            前置条件：账号需要有充足金额
+                        """
+                        auth = Auth(os.getenv("LONGBRIDGE_APP_KEY"), os.getenv("LONGBRIDGE_APP_SECRET"), access_token=os.getenv("LONGBRIDGE_ACCESS_TOKEN"))
+                        config = Config(base_url=URL)
+                        client = HttpClient(auth, config)
+                        result = client.get("/v1/asset/fund")
+                        print(result.data)
+
+                    if __name__ == "__main__":
+                        example()
       response_body:
         {
           "code": 0,
diff --git a/swagger-docs/zh-HK/trade/asset/stock.yml b/swagger-docs/zh-HK/trade/asset/stock.yml
index 7c8dbed4..ce706364 100644
--- a/swagger-docs/zh-HK/trade/asset/stock.yml
+++ b/swagger-docs/zh-HK/trade/asset/stock.yml
@@ -26,12 +26,23 @@ paths:
       request_body:
         type: "python"
         value: |
-          def example():
-            from longbridge.http import Auth, Config, HttpClient
-            auth = Auth("${APP_KEY}", "${APP_SECRET}", "${ACCESS_TOKEN}")
-            config = Config(base_url = "https://openapi.lbkrs.com")
-            client = HttpClient(auth, config)
-            result = client.get("/v1/asset/stock")
+          from longbridge.http import Auth, Config, HttpClient
+
+                    URL = "https://openapi.lbkrs.com"
+
+                    def example():
+                        """
+                        下单接口
+                            前置条件：账号需要有充足金额
+                        """
+                        auth = Auth(os.getenv("LONGBRIDGE_APP_KEY"), os.getenv("LONGBRIDGE_APP_SECRET"), access_token=os.getenv("LONGBRIDGE_ACCESS_TOKEN"))
+                        config = Config(base_url=URL)
+                        client = HttpClient(auth, config)
+                        result = client.get("/v1/asset/stock")
+                        print(result.data)
+
+                    if __name__ == "__main__":
+                        example()
       response_body:
         {
           "code": 0,