修复processing参数验证逻辑，支持字符串类型的数据

custom-server-app/src/main/java/com/jomalls/custom/app/dto/CustomProductInfoQuerySnakeDTO.java

@@ -184,6 +184,12 @@ public class CustomProductInfoQuerySnakeDTO extends PageRequest {
             this.processing = (Boolean) value ? 1 : 0;
             this.processing = (Boolean) value ? 1 : 0;
         } else if (value instanceof Number) {
         } else if (value instanceof Number) {
             this.processing = ((Number) value).intValue();
             this.processing = ((Number) value).intValue();
+        } else if (value instanceof String s) {
+            try {
+                this.processing = Integer.parseInt(s.trim());
+            } catch (NumberFormatException ignored) {
+                this.processing = null;
+            }
         } else {
         } else {
             this.processing = null;
             this.processing = null;
         }
         }