diff --git a/src/cn/edu/hactcm/po/DormClean.java b/src/cn/edu/hactcm/po/DormClean.java
new file mode 100644
index 0000000..57fb05c
--- /dev/null
+++ b/src/cn/edu/hactcm/po/DormClean.java
@@ -0,0 +1,66 @@
+package cn.edu.hactcm.po;
+
+import com.fasterxml.jackson.annotation.JsonFormat;
+
+import java.util.Date;
+
+public class DormClean {
+    private Integer g_id;
+    private Integer d_id;
+    private String  d_dormbuilding;
+    private Integer d_grade;
+
+    @JsonFormat(pattern="yyyy-MM-dd HH:mm:ss",timezone = "GMT+8")
+    private Date create_time;
+    @JsonFormat(pattern="yyyy-MM-dd HH:mm:ss",timezone = "GMT+8")
+    private Date update_time;
+
+    public Integer getG_id() {
+        return g_id;
+    }
+
+    public void setG_id(Integer g_id) {
+        this.g_id = g_id;
+    }
+
+    public Integer getD_id() {
+        return d_id;
+    }
+
+    public void setD_id(Integer d_id) {
+        this.d_id = d_id;
+    }
+
+    public String getD_dormbuilding() {
+        return d_dormbuilding;
+    }
+
+    public void setD_dormbuilding(String d_dormbuilding) {
+        this.d_dormbuilding = d_dormbuilding;
+    }
+
+    public Integer getD_grade() {
+        return d_grade;
+    }
+
+    public void setD_grade(Integer d_grade) {
+        this.d_grade = d_grade;
+    }
+
+    public Date getCreate_time() {
+        return create_time;
+    }
+
+    public void setCreate_time(Date create_time) {
+        this.create_time = create_time;
+    }
+
+    public Date getUpdate_time() {
+        return update_time;
+    }
+
+    public void setUpdate_time(Date update_time) {
+        this.update_time = update_time;
+    }
+}
+