问题修正

src/main/java/com/diagbot/dto/ExportExcelBehospitalDTO.java

@@ -5,6 +5,7 @@ import cn.afterturn.easypoi.excel.annotation.ExcelCollection;
 import lombok.Getter;
 import lombok.Setter;
 
+import java.util.Date;
 import java.util.List;
 
 /**
@@ -22,9 +23,9 @@ public class ExportExcelBehospitalDTO {
     @Excel(name = "住院号", needMerge = true)
     private String behospitalCode;
     @Excel(name = "入院时间", needMerge = true, exportFormat = "yyyy/MM/dd")
-    private String behospitalDate;
+    private Date behospitalDate;
     @Excel(name = "出院时间", needMerge = true, exportFormat = "yyyy/MM/dd")
-    private String leaveHospitalDate;
+    private Date leaveHospitalDate;
     @Excel(name = "分数", needMerge = true)
     private String score;
     @ExcelCollection(name = "")