优化

common-web/src/main/java/com/baiyue/common/web/GlobalExceptionHandler.java

@@ -15,6 +15,7 @@ import org.springframework.security.core.AuthenticationException;
 import org.springframework.validation.BindException;
 import org.springframework.validation.FieldError;
 import org.springframework.http.converter.HttpMessageNotReadableException;
+import org.springframework.dao.CannotAcquireLockException;
 import org.springframework.web.bind.MethodArgumentNotValidException;
 import org.springframework.web.bind.MissingRequestHeaderException;
 import org.springframework.web.bind.MissingServletRequestParameterException;
@@ -96,6 +97,14 @@ public class GlobalExceptionHandler {
         return failure(ResultCode.NOT_FOUND, ResultCode.NOT_FOUND.message(), request);
     }
 
+    @ExceptionHandler(CannotAcquireLockException.class)
+    public ResponseEntity<ApiResponse<Void>> handleCannotAcquireLock(
+            CannotAcquireLockException exception, HttpServletRequest request) {
+        log.warn("Database lock acquisition conflict requestId={} traceId={}",
+                CorrelationContext.requestId(request), CorrelationContext.traceId(request));
+        return failure(ResultCode.CONFLICT, "资源正在处理中，请稍后重试", request);
+    }
+
     @ExceptionHandler(Exception.class)
     public ResponseEntity<ApiResponse<Void>> handleUnexpected(Exception exception, HttpServletRequest request) {
         log.error("Unhandled request failure requestId={} traceId={}",