新增了同步app视频，

src/main/java/com/example/caseData/extend/app/Base.java

@@ -12,9 +12,12 @@ import org.apache.commons.io.IOUtils;
 
 import javax.crypto.Mac;
 import javax.crypto.spec.SecretKeySpec;
+import java.io.BufferedReader;
+import java.io.InputStreamReader;
 import java.nio.charset.StandardCharsets;
 import java.util.Map;
 import java.util.*;
+import java.util.stream.Collectors;
 
 @Slf4j
 public class Base {
@@ -125,39 +128,36 @@ public class Base {
     }
 
     /**
-     * 校验签名
-     * @param request   请求对象
-     * @param secretKey 密钥
-     * @param mapper    ObjectMapper 实例（用于 JSON 反序列化）
+     * 校验签名（使用已反序列化的 dto 对象）
+     * @param request   HttpServletRequest（用于获取 appId 和 sign）
+     * @param secretKey 签名用的密钥
+     * @param dto       请求对象（如 addClinicalVideoApp）
+     * @param mapper    ObjectMapper 实例（用于序列化 dto）
      */
-    public static void checkSign(HttpServletRequest request, String secretKey, ObjectMapper mapper) {
+    public void checkSign(HttpServletRequest request, String secretKey, Object dto, ObjectMapper mapper) {
         try {
             String appId = request.getHeader("appId");
             String sign = request.getHeader("sign");
 
             if (appId == null || appId.isEmpty()) {
-                throw new BusinessException("-1", "请求未授权");
+                throw new BusinessException("-1", "请求未授权（缺少 appId）");
             }
             if (sign == null || sign.isEmpty()) {
                 throw new BusinessException("-1", "缺少签名");
             }
 
-            // 读取请求体
-            String body = IOUtils.toString(request.getInputStream(), StandardCharsets.UTF_8);
-            if (body == null || body.isEmpty()) {
-                throw new BusinessException("-1", "请求体为空");
-            }
-
-            // 使用 TypeReference 明确泛型类型，避免警告
-            Map<String, Object> params = mapper.readValue(body, new TypeReference<Map<String, Object>>() {});
+            // 转换 dto 为 Map<String, Object> 用于签名生成
+            @SuppressWarnings("unchecked")
+            Map<String, Object> params = mapper.convertValue(dto, Map.class);
 
             // 生成签名
-            String serverSign = Base.genSignature(params, secretKey);
+            String serverSign = genSignature(params, secretKey);
+            System.out.println("客户端签名: " + sign);
+            System.out.println("服务端签名: " + serverSign);
 
             if (!sign.equals(serverSign)) {
                 throw new BusinessException("-1", "签名错误");
             }
-
         } catch (BusinessException e) {
             throw e;
         } catch (Exception e) {