diff --git a/README.md b/README.md
index 989cc130..a783b3e9 100644
--- a/README.md
+++ b/README.md
@@ -163,6 +163,8 @@ server:
 
 ```
 智控台地址: https://2662r3426b.vicp.fun
+
+服务测试工具： https://2662r3426b.vicp.fun/test/
 OTA接口地址: https://2662r3426b.vicp.fun/xiaozhi/ota/
 Websocket接口地址: wss://2662r3426b.vicp.fun/xiaozhi/v1/
 ```
diff --git a/docs/FAQ.md b/docs/FAQ.md
index c859498a..cfcbe373 100644
--- a/docs/FAQ.md
+++ b/docs/FAQ.md
@@ -106,10 +106,6 @@ VAD:
 
 ### 8、更多问题，可联系我们反馈 💬
 
-我们的联系方式放在[百度网盘中,点击前往](https://pan.baidu.com/s/1x6USjvP1nTRsZ45XlJu65Q)，提取码是`223y`。
+可以在[issues](https://github.com/xinnan-tech/xiaozhi-esp32-server/issues)提交您的问题。
 
-网盘里有"硬件烧录QQ群"、"开源服务端交流群"、"产品建议联系人" 三张图片，请根据需要选择加入。
-
-- 硬件烧录QQ群：适用于硬件烧录问题
-- 开源服务端交流群：适用于服务端问题
-- 产品建议联系人：适用于产品功能、产品设计等建议 
\ No newline at end of file
+也可以发邮件我们取得联系：huangrongzhuang@xin-nan.com
\ No newline at end of file
diff --git a/docs/firmware-build.md b/docs/firmware-build.md
index f9935951..fffac288 100644
--- a/docs/firmware-build.md
+++ b/docs/firmware-build.md
@@ -86,14 +86,9 @@ idf.py set-target esp32s3
 idf.py menuconfig
 ```
 
-![图片](images/build_setting01.png)
-
-进入菜单配置后，再进入`Xiaozhi Assistant`，将`CONNECTION_TYPE`设置为`Websocket`
-回退到主菜单，再进入`Xiaozhi Assistant`，将`BOARD_TYPE`设置你板子的具体型号
+进入菜单配置后，再进入`Xiaozhi Assistant`，将`BOARD_TYPE`设置你板子的具体型号
 保存退出，回到终端命令行。
 
-![图片](images/build_setting02.png)
-
 ## 第5步 编译固件
 
 ```
diff --git a/docs/images/build_setting01.png b/docs/images/build_setting01.png
deleted file mode 100644
index 24e2aeec..00000000
Binary files a/docs/images/build_setting01.png and /dev/null differ
diff --git a/docs/images/build_setting02.png b/docs/images/build_setting02.png
deleted file mode 100644
index 791a5b05..00000000
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diff --git a/docs/images/vscode_idf.png b/docs/images/vscode_idf.png
deleted file mode 100644
index f943b71e..00000000
Binary files a/docs/images/vscode_idf.png and /dev/null differ
diff --git a/main/manager-api/src/main/java/xiaozhi/modules/device/controller/OTAController.java b/main/manager-api/src/main/java/xiaozhi/modules/device/controller/OTAController.java
index fc0a61c1..05d36e9a 100644
--- a/main/manager-api/src/main/java/xiaozhi/modules/device/controller/OTAController.java
+++ b/main/manager-api/src/main/java/xiaozhi/modules/device/controller/OTAController.java
@@ -52,8 +52,9 @@ public class OTAController {
             clientId = deviceId;
         }
         String macAddress = deviceReportReqDTO.getMacAddress();
+        boolean macAddressValid = isMacAddressValid(macAddress);
         // 设备Id和Mac地址应是一致的, 并且必须需要application字段
-        if (!deviceId.equals(macAddress) || deviceReportReqDTO.getApplication() == null) {
+        if (!deviceId.equals(macAddress) || !macAddressValid || deviceReportReqDTO.getApplication() == null) {
             return createResponse(DeviceReportRespDTO.createError("Invalid OTA request"));
         }
         return createResponse(deviceService.checkDeviceActive(macAddress, clientId, deviceReportReqDTO));
@@ -100,4 +101,19 @@ public class OTAController {
                 .contentLength(jsonBytes.length)
                 .body(json);
     }
+
+    /**
+     * 简单判断mac地址是否有效（非严格）
+     * 
+     * @param macAddress
+     * @return
+     */
+    private boolean isMacAddressValid(String macAddress) {
+        if (StringUtils.isBlank(macAddress)) {
+            return false;
+        }
+        // MAC地址通常为12位十六进制数字，可以包含冒号或连字符分隔符
+        String macPattern = "^([0-9A-Za-z]{2}[:-]){5}([0-9A-Za-z]{2})$";
+        return macAddress.matches(macPattern);
+    }
 }