diff --git a/pqs-prepare/prepare-api/src/main/java/com/njcn/prepare/harmonic/utils/PublicUtil.java b/pqs-prepare/prepare-api/src/main/java/com/njcn/prepare/harmonic/utils/PublicUtil.java
index 4db934a11..906fa0b72 100644
--- a/pqs-prepare/prepare-api/src/main/java/com/njcn/prepare/harmonic/utils/PublicUtil.java
+++ b/pqs-prepare/prepare-api/src/main/java/com/njcn/prepare/harmonic/utils/PublicUtil.java
@@ -91,8 +91,12 @@ public class PublicUtil {
 
     public static void main(String[] args) {
 //       Integer temp =Integer.valueOf ("2002-08-07".substring (5, 7)) ;
-        System.out.println (111 );
-        System.out.println ( PublicUtil.getNowQuarter ("2002-01-07"));
+//        System.out.println (111 );
+//        System.out.println ( PublicUtil.getNowQuarter ("2002-01-07"));
+
+        System.out.println(getDayByMonth(2023,03));
+
+
     }
 
     /**
@@ -122,9 +126,24 @@ public class PublicUtil {
                 date = year +"-"+month+"-"+i;
             }
             list.add(date);
+            if (Objects.equals(date,getYesterday())){
+                break;
+            }
         }
         return list;
     }
+
+    /**
+     * 获取昨天日期
+     */
+    public static String getYesterday() {
+        Calendar cal = Calendar.getInstance();
+        cal.add(Calendar.DATE,-1);
+        Date d=cal.getTime();
+        SimpleDateFormat sp = new SimpleDateFormat("yyyy-MM-dd");
+        return sp.format(d);
+    }
+
     /**
      * @Description: 根据电压字典获取电压等级
      * @Param: [id, dictDataList]