Update MQTT gateway rule and system upgrade documentation to reflect changes in timestamp format from seconds to milliseconds in both English and Chinese versions.

Author: hezhuozhuo

docs/device-connectivity/mqtt-gateway-rule.md

@@ -142,13 +142,13 @@ Array of time-series data.
 ```json title="Historical (Single Gateway)"
 {   
     "gateway_data": [
-        {"ts": 1609459200, "values": {"temperature": 25.0, "humidity": 60.0}},
-        {"ts": 1609462800, "values": {"temperature": 26.0, "humidity": 62.0}}
+        {"ts": 1754928146491, "values": {"temperature": 25.0, "humidity": 60.0}},
+        {"ts": 1754931746491, "values": {"temperature": 26.0, "humidity": 62.0}}
     ],
     "sub_device_data": {
         "sensor_001": [
-            {"ts": 1609459200, "values": {"temperature": 24.5, "humidity": 65.0}},
-            {"ts": 1609462800, "values": {"temperature": 25.5, "humidity": 63.0}}
+            {"ts": 1754928146491, "values": {"temperature": 24.5, "humidity": 65.0}},
+            {"ts": 1754931746491, "values": {"temperature": 25.5, "humidity": 63.0}}
         ]
     }
 }

docs/installation/system_upgrade_1panel.md

@@ -3,11 +3,11 @@ sidebar_position: 9
 ---
 
 
-## System Upgrade Guide (1Panel)
+# System Upgrade Guide (1Panel)
 
 Compare with the latest mirror version of the ThingsPanel community edition (mainly refer to the `docker-compose.yml` file in the [ThingsPanel Quick Start Guide](/docs/quick_start))
 
-### Version Compatibility Note
+## Version Compatibility Note
 **Main Reference:** [ThingsPanel System Upgrade Guide](/docs/installation/system_upgrade)
 
 :::caution IMPORTANT

i18n/zh-Hans/docusaurus-plugin-content-docs/current/device-connectivity/mqtt-gateway-rule.md

@@ -146,13 +146,13 @@ sequenceDiagram
 ```json title="历史遥测数据格式示例（单层网关）"
 {   
     "gateway_data": [
-        {"ts": 1609459200, "values": {"temperature": 25.0, "humidity": 60.0}},
-        {"ts": 1609462800, "values": {"temperature": 26.0, "humidity": 62.0}}
+        {"ts": 1754928146491, "values": {"temperature": 25.0, "humidity": 60.0}},
+        {"ts": 1754931746491, "values": {"temperature": 26.0, "humidity": 62.0}}
     ],
     "sub_device_data": {
         "sensor_001": [
-            {"ts": 1609459200, "values": {"temperature": 24.5, "humidity": 65.0}},
-            {"ts": 1609462800, "values": {"temperature": 25.5, "humidity": 63.0}}
+            {"ts": 1754928146491, "values": {"temperature": 24.5, "humidity": 65.0}},
+            {"ts": 1754931746491, "values": {"temperature": 25.5, "humidity": 63.0}}
         ]
     }
 }
@@ -161,22 +161,22 @@ sequenceDiagram
 ```json title="历史遥测数据格式示例（多级网关）"
 {
   "gateway_data": [
-    {"ts": 1609459200, "values": {"temperature": 26.0, "humidity": 70.0}},
-    {"ts": 1609462800, "values": {"temperature": 27.0, "humidity": 68.0}}
+    {"ts": 1754928146491, "values": {"temperature": 26.0, "humidity": 70.0}},
+    {"ts": 1754931746491, "values": {"temperature": 27.0, "humidity": 68.0}}
   ],
   "sub_device_data": {
     "device_001": [
-      {"ts": 1609459200, "values": {"temperature": 25.0, "humidity": 72.0}}
+      {"ts": 1754928146491, "values": {"temperature": 25.0, "humidity": 72.0}}
     ]
   },
   "sub_gateway_data": {
     "gateway_001": {
       "gateway_data": [
-        {"ts": 1609459200, "values": {"temperature": 28.0, "humidity": 55.0}}
+        {"ts": 1754928146491, "values": {"temperature": 28.0, "humidity": 55.0}}
       ],
       "sub_device_data": {
         "sensor_101": [
-          {"ts": 1609462800, "values": {"temperature": 29.0, "humidity": 52.0}}
+          {"ts": 1754931746491, "values": {"temperature": 29.0, "humidity": 52.0}}
         ]
       }
     }
@@ -659,7 +659,7 @@ sequenceDiagram
 
 | 字段 | 类型 | 说明 |
 |------|------|------|
-| `ts` | number | Unix时间戳，遥测数据为秒级，事件数据为毫秒级 |
+| `ts` | number | Unix时间戳（毫秒级） |
 | `values` | object | 该时间点的遥测数据键值对 |
 | `method` | string | 事件方法名，必填字段 |
 | `params` | object | 事件参数，可选字段 |

i18n/zh-Hans/docusaurus-plugin-content-docs/current/installation/system_upgrade_1panel.md

@@ -3,11 +3,11 @@ sidebar_position: 9
 ---
 
 
-## 系统升级指南（1Panel）
+# 系统升级指南（1Panel）
 
 与 ThingsPanel 社区版最新镜像版本比对（主要参考 [ThingsPanel 快速开始文档](https://docs.thingspanel.cn/zh-Hans/docs/quick_start) 中的 `docker-compose.yml` 文件）
 
-### 版本兼容性说明
+## 版本兼容性说明
 **主要参考查阅：** [ThingsPanel 系统升级指南](https://docs.thingspanel.cn/zh-Hans/docs/installation/system_upgrade)
 
 :::caution 重要提示