diff --git a/src/main/java/com/service/IDeptService.java b/src/main/java/com/service/IDeptService.java
new file mode 100644
index 0000000..0d0e213
--- /dev/null
+++ b/src/main/java/com/service/IDeptService.java
@@ -0,0 +1,67 @@
+package com.service;
+
+import com.entity.Department;
+import com.utils.Page;
+
+import java.util.List;
+
+/**
+ * @ClassName IDeptService
+ * @Description TODO
+ * @Author YHT
+ * @Date 2021/5/30 16:01
+ */
+public interface IDeptService {
+    /**
+     * 查询部门所有信息
+     * @return
+     */
+    List<Department> findAllDepartment();
+
+    /**
+     * 添加部门
+     * @param department
+     */
+    void addDept(Department department);
+
+    /**
+     * 根据部门名称查找部门
+     * @param deptName
+     * @param page
+     * @return
+     */
+    List<Department> findDeptByName(String deptName, Page page);
+
+    /**
+     * 获取记录总数
+     * @return
+     */
+    int getDeptTotal();
+
+    /**
+     * 获取所有部门信息
+     * @param page
+     * @return
+     */
+    List<Department> listDept(Page page);
+
+    /**
+     * 根据id查找部门
+     * @param id
+     * @return
+     */
+    Department findDeptById(int id);
+
+    /**
+     * 修改部门信息
+     * @param department
+     */
+    void modifyDept(Department department);
+
+    /**
+     * 删除部门信息
+     * @param id
+     */
+    void deleteDept(int id);
+
+}
\ No newline at end of file
diff --git a/src/main/java/com/service/IEmpService.java b/src/main/java/com/service/IEmpService.java
new file mode 100644
index 0000000..aecc0bb
--- /dev/null
+++ b/src/main/java/com/service/IEmpService.java
@@ -0,0 +1,62 @@
+package com.service;
+
+import com.entity.Employee;
+import com.utils.Page;
+
+import java.util.List;
+import java.util.Map;
+
+/**
+ * @ClassName IEmpServoce
+ * @Description TODO
+ * @Author YHT
+ * @Date 2021/7/9 10:41
+ */
+public interface IEmpService {
+    /**
+     * 查找所有员工信息
+     * @param page
+     * @return
+     */
+    List<Employee> listEmp(Page page);
+
+    /**
+     * 获取记录总数
+     * @return
+     */
+    int getEmpTotal();
+
+    /**
+     * 根据条件查找员工
+     * @param map
+     * @return
+     */
+    List<Employee> searchEmp(Map<String, Object> map);
+
+    /**
+     * 添加员工
+     * @param employee
+     */
+    void addEmp(Employee employee);
+
+    /**
+     * 根据id查找员工
+     * @param id
+     * @return
+     */
+    Employee selectEmpById(int id);
+
+    /**
+     * 修改员工信息
+     * @param employee
+     */
+    void modifyEmp(Employee employee);
+
+    /**
+     * 删除员工信息
+     * @param id
+     */
+    void deleteEmp(int id);
+
+
+}
diff --git a/src/main/java/com/service/IUserService.java b/src/main/java/com/service/IUserService.java
deleted file mode 100644
index 554f049..0000000
--- a/src/main/java/com/service/IUserService.java
+++ /dev/null
@@ -1,5 +0,0 @@
-package com.service;
-
-
-public interface IUserService {
-}
diff --git a/src/main/java/com/service/IVisitorService.java b/src/main/java/com/service/IVisitorService.java
new file mode 100644
index 0000000..f21932d
--- /dev/null
+++ b/src/main/java/com/service/IVisitorService.java
@@ -0,0 +1,42 @@
+package com.service;
+
+import com.entity.Visitor;
+import com.utils.Page;
+
+import java.util.List;
+
+/**
+ * @ClassName IVisitorService
+ * @Description TODO
+ * @Author YHT
+ * @Date 2021/7/9 21:47
+ */
+public interface IVisitorService {
+    /**
+     * 查找所有访客信息
+     * @param page
+     * @return
+     */
+    List<Visitor> listVisitor(Page page);
+
+    /**
+     * 获取记录总数
+     * @return
+     */
+    int getVisitorTotal();
+
+    /**
+     * 添加访客
+     * @param visitor
+     */
+    void addVisitor(Visitor visitor);
+
+    /**
+     * 根据姓名查找访客
+     * @param name
+     * @param page
+     * @return
+     */
+    List<Visitor> searchByName(String name, Page page);
+
+}