diff --git a/src/main/java/mjkf/xinke/main/controller/PublicController.java b/src/main/java/mjkf/xinke/main/controller/PublicController.java
index 779f81a..c31fea4 100644
--- a/src/main/java/mjkf/xinke/main/controller/PublicController.java
+++ b/src/main/java/mjkf/xinke/main/controller/PublicController.java
@@ -4,8 +4,10 @@ import cn.hutool.core.util.ObjectUtil;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.jgy.xxs.core.http.resp.HttpResponse;
+import io.swagger.annotations.ApiModelProperty;
 import io.swagger.annotations.ApiOperation;
 import io.swagger.annotations.ApiParam;
+import lombok.Data;
 import mjkf.xinke.dev.modular.file.entity.DevFile;
 import mjkf.xinke.dev.modular.file.service.DevFileService;
 import mjkf.xinke.main.common.http.FuHttpResponse;
@@ -20,6 +22,8 @@ import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
 
 import javax.annotation.Resource;
+import java.io.Serializable;
+import java.time.LocalDate;
 
 /**
  * <p>
@@ -95,4 +99,46 @@ public class PublicController {
         var result = devFileService.page(new Page<>(1, 10), query);
         return FuHttpResponse.Builder().dataResponse(result.getRecords()).build();
     }
+
+    @Data
+    static public class PublicUpdateInfo implements Serializable {
+        @ApiModelProperty("日期")
+        private LocalDate date;
+
+        @ApiModelProperty("期数")
+        private Integer period;
+
+        public PublicUpdateInfo () {}
+
+        public PublicUpdateInfo (PricePublish lastData) {
+            Integer initialPeriod = 0;
+            var initialDate = LocalDate.of(2000,1,1);
+
+            this.date = lastData.getCreateTime().toLocalDate();
+            Integer months = 0;
+            for (var i = 0; i < 1000;i++) {
+                var date = initialDate.plusMonths(i);
+                if (date.getYear() == this.date.getYear() && date.getMonth() == this.date.getMonth()) {
+                    months = i;
+                    break;
+                }
+            }
+            this.period = initialPeriod + months;
+        }
+    }
+
+    @ApiOperation("更新信息")
+    @GetMapping("/update-info")
+    public HttpResponse updateInfo () throws Exception {
+        var query = new LambdaQueryWrapper<PricePublish>();
+        query.orderByDesc(PricePublish::getCreateTime);
+        var items = pricePublishService.list();
+        var data = items.get(0);
+
+        var result = new PublicUpdateInfo(data);
+
+        return FuHttpResponse.Builder().dataResponse(result).build();
+    }
+
+
 }
diff --git a/src/main/java/mjkf/xinke/main/model/vo/PublicTrendResponse.java b/src/main/java/mjkf/xinke/main/model/vo/PublicTrendResponse.java
index 05b0ad7..5a51dfd 100644
--- a/src/main/java/mjkf/xinke/main/model/vo/PublicTrendResponse.java
+++ b/src/main/java/mjkf/xinke/main/model/vo/PublicTrendResponse.java
@@ -65,6 +65,8 @@ public class PublicTrendResponse {
 
     private Integer type;
 
+    private String unit;
+
     static public List<PublicTrendResponse> list(List<PricePublish> data, String region) {
         var result = data.stream().map(item -> new PublicTrendResponse(item, region)).collect(Collectors.toList());
         return result;
@@ -89,6 +91,7 @@ public class PublicTrendResponse {
         this.tax = item.getTax();
         this.status = item.getStatus();
         this.type = item.getType();
+        this.unit = item.getUnit();
 
         this.price = item.getRegionPrice(region);
     }