fix: handle ConstraintViolationException as 400 instead of 500

services/delivery-platform-api/src/main/java/cn/craftlabs/platform/api/config/ApiExceptionHandler.java

@@ -1,5 +1,7 @@
 package cn.craftlabs.platform.api.config;
 
+import jakarta.validation.ConstraintViolationException;
+import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.ExceptionHandler;
 import org.springframework.web.bind.annotation.RestControllerAdvice;
@@ -18,4 +20,20 @@ public class ApiExceptionHandler {
         body.put("message", ex.getReason() != null ? ex.getReason() : "");
         return ResponseEntity.status(ex.getStatusCode()).body(body);
     }
+
+    @ExceptionHandler(ConstraintViolationException.class)
+    public ResponseEntity<Map<String, Object>> handleConstraintViolation(ConstraintViolationException ex) {
+        Map<String, Object> body = new LinkedHashMap<>();
+        body.put("status", HttpStatus.BAD_REQUEST.value());
+        body.put("message", "参数校验失败: " + ex.getMessage());
+        return ResponseEntity.badRequest().body(body);
+    }
+
+    @ExceptionHandler(Exception.class)
+    public ResponseEntity<Map<String, Object>> handleGeneral(Exception ex) {
+        Map<String, Object> body = new LinkedHashMap<>();
+        body.put("status", HttpStatus.INTERNAL_SERVER_ERROR.value());
+        body.put("message", "服务器内部错误");
+        return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body(body);
+    }
 }