修改完善这个专利部分

backend-java/src/main/java/com/nanri/aiimage/common/exception/GlobalExceptionHandler.java

@@ -6,6 +6,9 @@ import lombok.extern.slf4j.Slf4j;
 import org.springframework.web.bind.MethodArgumentNotValidException;
 import org.springframework.web.bind.annotation.ExceptionHandler;
 import org.springframework.web.bind.annotation.RestControllerAdvice;
+import org.springframework.web.context.request.async.AsyncRequestNotUsableException;
+
+import java.io.IOException;
 
 @Slf4j
 @RestControllerAdvice
@@ -34,9 +37,33 @@ public class GlobalExceptionHandler {
         return ApiResponse.fail(ex.getMessage());
     }
 
+    @ExceptionHandler(AsyncRequestNotUsableException.class)
+    public void handleAsyncRequestNotUsableException(AsyncRequestNotUsableException ex) {
+        log.debug("Client disconnected before response completed: {}", ex.getMessage());
+    }
+
     @ExceptionHandler(Exception.class)
     public ApiResponse<Void> handleException(Exception ex) {
+        if (isClientAbort(ex)) {
+            log.debug("Client disconnected before response completed: {}", ex.getMessage());
+            return ApiResponse.fail("客户端已断开连接");
+        }
         log.error("Unhandled exception", ex);
         return ApiResponse.fail("服务异常: " + ex.getMessage());
     }
+
+    private boolean isClientAbort(Throwable ex) {
+        Throwable cursor = ex;
+        while (cursor != null) {
+            String className = cursor.getClass().getName();
+            String message = cursor.getMessage() == null ? "" : cursor.getMessage().toLowerCase();
+            if (cursor instanceof AsyncRequestNotUsableException
+                    || cursor instanceof IOException && (message.contains("broken pipe") || message.contains("connection reset"))
+                    || className.contains("ClientAbortException")) {
+                return true;
+            }
+            cursor = cursor.getCause();
+        }
+        return false;
+    }
 }