fix: 修复获取最新数据的异常

src/main/java/mjkf/xinke/main/controller/PricePublishController.java

@@ -52,7 +52,7 @@ public class PricePublishController {
         if (month < 0 || year < 0) {
             var date = pricePublishService.getLatestDate();
             year = date.getYear();
-            month = date.getMonth();
+            month = date.getMonthValue();
         }
 
         var query = pricePublishService.getQuery(year, month, materialId, name, spec, type);

src/main/java/mjkf/xinke/main/service/PricePublishService.java

@@ -7,7 +7,7 @@ import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import mjkf.xinke.main.model.vo.BudgetCreateRequest;
 import org.springframework.stereotype.Service;
 
-import java.util.Date;
+import java.time.LocalDate;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -58,12 +58,12 @@ public class PricePublishService extends ServiceImpl<BaseMapper<PricePublish>, P
         return result;
     }
 
-    public Date getLatestDate() {
+    public LocalDate getLatestDate() {
         var query = new LambdaQueryWrapper<PricePublish>();
         query.orderByDesc(PricePublish::getYear);
         query.orderByDesc(PricePublish::getMonth);
         var data = this.getOne(query, false);
-        var result = new Date(data.getYear(), data.getMonth(), 1);
+        var result = LocalDate.of(data.getYear(), data.getMonth(), 1);
         return result;
     }
 }