优化

ruoyi-common/src/main/java/com/ruoyi/common/utils/DateUtils.java

@@ -1,5 +1,6 @@
 package com.ruoyi.common.utils;
 
+import cn.hutool.core.util.StrUtil;
 import org.apache.commons.lang3.time.DateFormatUtils;
 
 import java.lang.management.ManagementFactory;
@@ -163,6 +164,9 @@ public class DateUtils extends org.apache.commons.lang3.time.DateUtils
 
 	public static LocalDate str2Localdate(String time,String format){
 		// 定义日期格式
+		if(StrUtil.isBlank(time)){
+			return null;
+		}
 		DateTimeFormatter formatter = DateTimeFormatter.ofPattern(format);
 		LocalDate localDate = null;
 		try {