docs: update API endpoint examples safely

Use the documented API host and replace credential fragments with placeholders.

docs/openapi/legacy/index.md

@@ -8,18 +8,18 @@ outline: deep
 
 本文档收录历史 `/route/open/*` 路径下仍在维护的兼容接口。鉴权通过请求体 `verify` 中的 `appId`、`password` 和 `timeStamp` 完成；`sign` 为历史兼容字段，当前服务不校验。
 
-这些接口由 iotLCM OpenAPI 服务实现并提供，与 V3 接口同域（`api.iotlcm.example.com`），仅请求路径与鉴权方式不同。
+这些接口由 iotLCM OpenAPI 服务实现并提供，与 V3 接口同域（`apiv3.5iot.cn`），仅请求路径与鉴权方式不同。
 
 ## 服务地址
 
 ```text
-https://api.iotlcm.example.com
+https://apiv3.5iot.cn
 ```
 
 完整请求 URL：
 
 ```text
-https://api.iotlcm.example.com/route/open/{接口名}
+https://apiv3.5iot.cn/route/open/{接口名}
 ```
 
 ## 统一鉴权
@@ -82,7 +82,7 @@ appId={appId}&password={password}&timeStamp={timeStamp}&key={accessKey}
 
 ```java
 // 服务器请求地址
-protected static String server_Ip = "https://api.iotlcm.example.com/route/open";
+protected static String server_Ip = "https://apiv3.5iot.cn/route/open";
 // appId
 public static String appId = null;
 // 密钥密码

docs/openapi/legacy/query.md

@@ -31,7 +31,7 @@ POST /route/open/cardInfo
     },
     "verify": {
         "timeStamp": "1784097284347",
-        "password": "YOUR_APP_SECRETebdebae9763127943f097758e029a0fdbc",
+        "password": "YOUR_APP_SECRET",
         "appId": "YOUR_APP_ID",
         "sign": ""
     }
@@ -111,7 +111,7 @@ POST /route/open/simDataUsage
     },
     "verify": {
         "timeStamp": "1784097284347",
-        "password": "YOUR_APP_SECRETebdebae9763127943f097758e029a0fdbc",
+        "password": "YOUR_APP_SECRET",
         "appId": "YOUR_APP_ID",
         "sign": ""
     }
@@ -161,7 +161,7 @@ POST /route/open/simDataUsageMonthly
     },
     "verify": {
         "timeStamp": "1784097284347",
-        "password": "YOUR_APP_SECRETebdebae9763127943f097758e029a0fdbc",
+        "password": "YOUR_APP_SECRET",
         "appId": "YOUR_APP_ID",
         "sign": ""
     }
@@ -209,7 +209,7 @@ POST /route/open/simStatus
     },
     "verify": {
         "timeStamp": "1784097284347",
-        "password": "YOUR_APP_SECRETebdebae9763127943f097758e029a0fdbc",
+        "password": "YOUR_APP_SECRET",
         "appId": "YOUR_APP_ID",
         "sign": ""
     }
@@ -257,7 +257,7 @@ POST /route/open/simSession
     },
     "verify": {
         "timeStamp": "1784097284347",
-        "password": "YOUR_APP_SECRETebdebae9763127943f097758e029a0fdbc",
+        "password": "YOUR_APP_SECRET",
         "appId": "YOUR_APP_ID",
         "sign": ""
     }
@@ -334,7 +334,7 @@ POST /route/open/queryCardInfoList
     },
     "verify": {
         "timeStamp": "1784097284347",
-        "password": "YOUR_APP_SECRETebdebae9763127943f097758e029a0fdbc",
+        "password": "YOUR_APP_SECRET",
         "appId": "YOUR_APP_ID",
         "sign": ""
     }