diff --git a/core/src/main/java/com/dite/znpt/domain/entity/ExpenseTypeEntity.java b/core/src/main/java/com/dite/znpt/domain/entity/ExpenseTypeEntity.java
new file mode 100644
index 0000000..d702485
--- /dev/null
+++ b/core/src/main/java/com/dite/znpt/domain/entity/ExpenseTypeEntity.java
@@ -0,0 +1,27 @@
+package com.dite.znpt.domain.entity;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableField;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+
+import java.util.List;
+
+@Data
+@EqualsAndHashCode(callSuper = false)
+@TableName("expense_type")
+@ApiModel(value="ExpenseTypeEntity对象", description="支出类型表")
+public class ExpenseTypeEntity {
+    @TableId(type = IdType.AUTO)
+    private Integer Id;
+
+    @ApiModelProperty("支出类型名称")
+    private String name;
+
+    @ApiModelProperty("父级id")
+    private Integer parentId;
+}
diff --git a/core/src/main/java/com/dite/znpt/mapper/ExpenseTypeMapper.java b/core/src/main/java/com/dite/znpt/mapper/ExpenseTypeMapper.java
new file mode 100644
index 0000000..927b0f3
--- /dev/null
+++ b/core/src/main/java/com/dite/znpt/mapper/ExpenseTypeMapper.java
@@ -0,0 +1,11 @@
+package com.dite.znpt.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.dite.znpt.domain.entity.ExpenseTypeEntity;
+import org.mapstruct.Mapper;
+
+import java.util.List;
+
+public interface ExpenseTypeMapper extends BaseMapper<ExpenseTypeEntity> {
+    List<ExpenseTypeEntity> search(String key);
+}
diff --git a/core/src/main/java/com/dite/znpt/service/ExpenseTypeService.java b/core/src/main/java/com/dite/znpt/service/ExpenseTypeService.java
new file mode 100644
index 0000000..da3a6f7
--- /dev/null
+++ b/core/src/main/java/com/dite/znpt/service/ExpenseTypeService.java
@@ -0,0 +1,11 @@
+package com.dite.znpt.service;
+
+import com.baomidou.mybatisplus.extension.service.IService;
+import com.dite.znpt.domain.entity.ExpenseTypeEntity;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+public interface ExpenseTypeService extends IService<ExpenseTypeEntity> {
+    List<ExpenseTypeEntity> search(String key);
+}
diff --git a/core/src/main/java/com/dite/znpt/service/impl/ExpenseTypeServiceImpl.java b/core/src/main/java/com/dite/znpt/service/impl/ExpenseTypeServiceImpl.java
new file mode 100644
index 0000000..e2013a5
--- /dev/null
+++ b/core/src/main/java/com/dite/znpt/service/impl/ExpenseTypeServiceImpl.java
@@ -0,0 +1,18 @@
+package com.dite.znpt.service.impl;
+
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+
+import com.dite.znpt.mapper.ExpenseTypeMapper;
+import com.dite.znpt.domain.entity.ExpenseTypeEntity;
+import com.dite.znpt.service.ExpenseTypeService;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+@Service
+public class ExpenseTypeServiceImpl extends ServiceImpl<ExpenseTypeMapper, ExpenseTypeEntity> implements ExpenseTypeService {
+    @Override
+    public List<ExpenseTypeEntity> search(String key) {
+        return this.baseMapper.search(key);
+    }
+}
diff --git a/core/src/main/java/com/dite/znpt/service/impl/ProjectServiceImpl.java b/core/src/main/java/com/dite/znpt/service/impl/ProjectServiceImpl.java
index b76759a..8d3a466 100644
--- a/core/src/main/java/com/dite/znpt/service/impl/ProjectServiceImpl.java
+++ b/core/src/main/java/com/dite/znpt/service/impl/ProjectServiceImpl.java
@@ -119,7 +119,9 @@ public class ProjectServiceImpl extends ServiceImpl<ProjectMapper, ProjectEntity
                         constructorName.append(userIdMap.get(id).getName()).append(StrUtil.COMMA);
                     }
                 });
-                constructorName.deleteCharAt(constructorName.lastIndexOf(StrUtil.COMMA));
+                if(!constructorName.isEmpty()){
+                    constructorName.deleteCharAt(constructorName.lastIndexOf(StrUtil.COMMA));
+                }
                 resp.setConstructorName(constructorName.toString());
             }
         }
diff --git a/core/src/main/resources/mapper/ExpenseTypeMapper.xml b/core/src/main/resources/mapper/ExpenseTypeMapper.xml
new file mode 100644
index 0000000..4c9eb93
--- /dev/null
+++ b/core/src/main/resources/mapper/ExpenseTypeMapper.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!DOCTYPE mapper
+        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
+        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.dite.znpt.mapper.ExpenseTypeMapper">
+    <select id="search" resultType="com.dite.znpt.domain.entity.ExpenseTypeEntity">
+        SELECT * FROM expense_type WHERE name LIKE CONCAT('%', #{key}, '%')
+    </select>
+</mapper>
\ No newline at end of file
diff --git a/web/src/main/java/com/dite/znpt/web/controller/ExpenseTypeController.java b/web/src/main/java/com/dite/znpt/web/controller/ExpenseTypeController.java
new file mode 100644
index 0000000..5b3eb1d
--- /dev/null
+++ b/web/src/main/java/com/dite/znpt/web/controller/ExpenseTypeController.java
@@ -0,0 +1,68 @@
+package com.dite.znpt.web.controller;
+
+import cn.hutool.core.io.LimitedInputStream;
+import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
+import com.dite.znpt.domain.Result;
+import com.dite.znpt.domain.entity.ExpenseTypeEntity;
+import com.dite.znpt.service.ExpenseTypeService;
+import io.swagger.annotations.Api;
+import io.swagger.annotations.ApiOperation;
+import io.swagger.v3.oas.annotations.Operation;
+import org.springframework.web.bind.annotation.*;
+
+import javax.annotation.Resource;
+import java.util.List;
+
+@Api(tags = "支出类型信息")
+@RestController
+@RequestMapping("/expenseType")
+public class ExpenseTypeController {
+    @Resource
+    private ExpenseTypeService expenseTypeService;
+
+    @GetMapping("")
+    @ApiOperation(value = "查询一级支出类型", httpMethod = "GET")
+    public Result<List<ExpenseTypeEntity>> list() {
+        QueryWrapper<ExpenseTypeEntity> queryWrapper = new QueryWrapper<>();
+        queryWrapper.isNull("parent_id");
+        List<ExpenseTypeEntity> list = expenseTypeService.list(queryWrapper);
+        return Result.ok(list);
+    }
+
+    @GetMapping("/{pid}")
+    @ApiOperation(value = "查询二级支出类型", httpMethod = "GET")
+    public Result<List<ExpenseTypeEntity>> list2(@PathVariable Integer pid) {
+        QueryWrapper<ExpenseTypeEntity> queryWrapper = new QueryWrapper<>();
+        queryWrapper.eq("parent_id", pid);
+        List<ExpenseTypeEntity> list = expenseTypeService.list(queryWrapper);
+        return Result.ok(list);
+    }
+
+    @PostMapping("")
+    @ApiOperation(value = "新增支出类型", httpMethod = "POST")
+    public Result<Boolean> save(@RequestBody ExpenseTypeEntity expenseTypeEntity) {
+        boolean b = expenseTypeService.save(expenseTypeEntity);
+        return Result.ok(b);
+    }
+
+    @PutMapping("")
+    @ApiOperation(value = "更新支出类型", httpMethod = "PUT")
+    public Result<Boolean> update(@RequestBody ExpenseTypeEntity expenseTypeEntity) {
+        boolean b = expenseTypeService.updateById(expenseTypeEntity);
+        return Result.ok(b);
+    }
+
+    @DeleteMapping("/{id}")
+    @ApiOperation(value = "删除支出类型", httpMethod = "DELETE")
+    public Result<Boolean> delete(@PathVariable Integer id) {
+        boolean b = expenseTypeService.removeById(id);
+        return Result.ok(b);
+    }
+
+    @GetMapping("search/{key}")
+    @ApiOperation(value = "查询支出类型", httpMethod = "GET")
+    public Result<List<ExpenseTypeEntity>> search(@PathVariable String key) {
+        List<ExpenseTypeEntity> list = expenseTypeService.search(key);
+        return Result.ok(list);
+    }
+}