diff --git a/backend/src/main/java/io/metersphere/base/domain/TestPlanProject.java b/backend/src/main/java/io/metersphere/base/domain/TestPlanProject.java
new file mode 100644
index 0000000000..cc92cf7c5a
--- /dev/null
+++ b/backend/src/main/java/io/metersphere/base/domain/TestPlanProject.java
@@ -0,0 +1,13 @@
+package io.metersphere.base.domain;
+
+import java.io.Serializable;
+import lombok.Data;
+
+@Data
+public class TestPlanProject implements Serializable {
+    private String testPlanId;
+
+    private String projectId;
+
+    private static final long serialVersionUID = 1L;
+}
\ No newline at end of file
diff --git a/backend/src/main/java/io/metersphere/base/domain/TestPlanProjectExample.java b/backend/src/main/java/io/metersphere/base/domain/TestPlanProjectExample.java
new file mode 100644
index 0000000000..38ec8d78aa
--- /dev/null
+++ b/backend/src/main/java/io/metersphere/base/domain/TestPlanProjectExample.java
@@ -0,0 +1,340 @@
+package io.metersphere.base.domain;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class TestPlanProjectExample {
+    protected String orderByClause;
+
+    protected boolean distinct;
+
+    protected List<Criteria> oredCriteria;
+
+    public TestPlanProjectExample() {
+        oredCriteria = new ArrayList<Criteria>();
+    }
+
+    public void setOrderByClause(String orderByClause) {
+        this.orderByClause = orderByClause;
+    }
+
+    public String getOrderByClause() {
+        return orderByClause;
+    }
+
+    public void setDistinct(boolean distinct) {
+        this.distinct = distinct;
+    }
+
+    public boolean isDistinct() {
+        return distinct;
+    }
+
+    public List<Criteria> getOredCriteria() {
+        return oredCriteria;
+    }
+
+    public void or(Criteria criteria) {
+        oredCriteria.add(criteria);
+    }
+
+    public Criteria or() {
+        Criteria criteria = createCriteriaInternal();
+        oredCriteria.add(criteria);
+        return criteria;
+    }
+
+    public Criteria createCriteria() {
+        Criteria criteria = createCriteriaInternal();
+        if (oredCriteria.size() == 0) {
+            oredCriteria.add(criteria);
+        }
+        return criteria;
+    }
+
+    protected Criteria createCriteriaInternal() {
+        Criteria criteria = new Criteria();
+        return criteria;
+    }
+
+    public void clear() {
+        oredCriteria.clear();
+        orderByClause = null;
+        distinct = false;
+    }
+
+    protected abstract static class GeneratedCriteria {
+        protected List<Criterion> criteria;
+
+        protected GeneratedCriteria() {
+            super();
+            criteria = new ArrayList<Criterion>();
+        }
+
+        public boolean isValid() {
+            return criteria.size() > 0;
+        }
+
+        public List<Criterion> getAllCriteria() {
+            return criteria;
+        }
+
+        public List<Criterion> getCriteria() {
+            return criteria;
+        }
+
+        protected void addCriterion(String condition) {
+            if (condition == null) {
+                throw new RuntimeException("Value for condition cannot be null");
+            }
+            criteria.add(new Criterion(condition));
+        }
+
+        protected void addCriterion(String condition, Object value, String property) {
+            if (value == null) {
+                throw new RuntimeException("Value for " + property + " cannot be null");
+            }
+            criteria.add(new Criterion(condition, value));
+        }
+
+        protected void addCriterion(String condition, Object value1, Object value2, String property) {
+            if (value1 == null || value2 == null) {
+                throw new RuntimeException("Between values for " + property + " cannot be null");
+            }
+            criteria.add(new Criterion(condition, value1, value2));
+        }
+
+        public Criteria andTestPlanIdIsNull() {
+            addCriterion("test_plan_id is null");
+            return (Criteria) this;
+        }
+
+        public Criteria andTestPlanIdIsNotNull() {
+            addCriterion("test_plan_id is not null");
+            return (Criteria) this;
+        }
+
+        public Criteria andTestPlanIdEqualTo(String value) {
+            addCriterion("test_plan_id =", value, "testPlanId");
+            return (Criteria) this;
+        }
+
+        public Criteria andTestPlanIdNotEqualTo(String value) {
+            addCriterion("test_plan_id <>", value, "testPlanId");
+            return (Criteria) this;
+        }
+
+        public Criteria andTestPlanIdGreaterThan(String value) {
+            addCriterion("test_plan_id >", value, "testPlanId");
+            return (Criteria) this;
+        }
+
+        public Criteria andTestPlanIdGreaterThanOrEqualTo(String value) {
+            addCriterion("test_plan_id >=", value, "testPlanId");
+            return (Criteria) this;
+        }
+
+        public Criteria andTestPlanIdLessThan(String value) {
+            addCriterion("test_plan_id <", value, "testPlanId");
+            return (Criteria) this;
+        }
+
+        public Criteria andTestPlanIdLessThanOrEqualTo(String value) {
+            addCriterion("test_plan_id <=", value, "testPlanId");
+            return (Criteria) this;
+        }
+
+        public Criteria andTestPlanIdLike(String value) {
+            addCriterion("test_plan_id like", value, "testPlanId");
+            return (Criteria) this;
+        }
+
+        public Criteria andTestPlanIdNotLike(String value) {
+            addCriterion("test_plan_id not like", value, "testPlanId");
+            return (Criteria) this;
+        }
+
+        public Criteria andTestPlanIdIn(List<String> values) {
+            addCriterion("test_plan_id in", values, "testPlanId");
+            return (Criteria) this;
+        }
+
+        public Criteria andTestPlanIdNotIn(List<String> values) {
+            addCriterion("test_plan_id not in", values, "testPlanId");
+            return (Criteria) this;
+        }
+
+        public Criteria andTestPlanIdBetween(String value1, String value2) {
+            addCriterion("test_plan_id between", value1, value2, "testPlanId");
+            return (Criteria) this;
+        }
+
+        public Criteria andTestPlanIdNotBetween(String value1, String value2) {
+            addCriterion("test_plan_id not between", value1, value2, "testPlanId");
+            return (Criteria) this;
+        }
+
+        public Criteria andProjectIdIsNull() {
+            addCriterion("project_id is null");
+            return (Criteria) this;
+        }
+
+        public Criteria andProjectIdIsNotNull() {
+            addCriterion("project_id is not null");
+            return (Criteria) this;
+        }
+
+        public Criteria andProjectIdEqualTo(String value) {
+            addCriterion("project_id =", value, "projectId");
+            return (Criteria) this;
+        }
+
+        public Criteria andProjectIdNotEqualTo(String value) {
+            addCriterion("project_id <>", value, "projectId");
+            return (Criteria) this;
+        }
+
+        public Criteria andProjectIdGreaterThan(String value) {
+            addCriterion("project_id >", value, "projectId");
+            return (Criteria) this;
+        }
+
+        public Criteria andProjectIdGreaterThanOrEqualTo(String value) {
+            addCriterion("project_id >=", value, "projectId");
+            return (Criteria) this;
+        }
+
+        public Criteria andProjectIdLessThan(String value) {
+            addCriterion("project_id <", value, "projectId");
+            return (Criteria) this;
+        }
+
+        public Criteria andProjectIdLessThanOrEqualTo(String value) {
+            addCriterion("project_id <=", value, "projectId");
+            return (Criteria) this;
+        }
+
+        public Criteria andProjectIdLike(String value) {
+            addCriterion("project_id like", value, "projectId");
+            return (Criteria) this;
+        }
+
+        public Criteria andProjectIdNotLike(String value) {
+            addCriterion("project_id not like", value, "projectId");
+            return (Criteria) this;
+        }
+
+        public Criteria andProjectIdIn(List<String> values) {
+            addCriterion("project_id in", values, "projectId");
+            return (Criteria) this;
+        }
+
+        public Criteria andProjectIdNotIn(List<String> values) {
+            addCriterion("project_id not in", values, "projectId");
+            return (Criteria) this;
+        }
+
+        public Criteria andProjectIdBetween(String value1, String value2) {
+            addCriterion("project_id between", value1, value2, "projectId");
+            return (Criteria) this;
+        }
+
+        public Criteria andProjectIdNotBetween(String value1, String value2) {
+            addCriterion("project_id not between", value1, value2, "projectId");
+            return (Criteria) this;
+        }
+    }
+
+    public static class Criteria extends GeneratedCriteria {
+
+        protected Criteria() {
+            super();
+        }
+    }
+
+    public static class Criterion {
+        private String condition;
+
+        private Object value;
+
+        private Object secondValue;
+
+        private boolean noValue;
+
+        private boolean singleValue;
+
+        private boolean betweenValue;
+
+        private boolean listValue;
+
+        private String typeHandler;
+
+        public String getCondition() {
+            return condition;
+        }
+
+        public Object getValue() {
+            return value;
+        }
+
+        public Object getSecondValue() {
+            return secondValue;
+        }
+
+        public boolean isNoValue() {
+            return noValue;
+        }
+
+        public boolean isSingleValue() {
+            return singleValue;
+        }
+
+        public boolean isBetweenValue() {
+            return betweenValue;
+        }
+
+        public boolean isListValue() {
+            return listValue;
+        }
+
+        public String getTypeHandler() {
+            return typeHandler;
+        }
+
+        protected Criterion(String condition) {
+            super();
+            this.condition = condition;
+            this.typeHandler = null;
+            this.noValue = true;
+        }
+
+        protected Criterion(String condition, Object value, String typeHandler) {
+            super();
+            this.condition = condition;
+            this.value = value;
+            this.typeHandler = typeHandler;
+            if (value instanceof List<?>) {
+                this.listValue = true;
+            } else {
+                this.singleValue = true;
+            }
+        }
+
+        protected Criterion(String condition, Object value) {
+            this(condition, value, null);
+        }
+
+        protected Criterion(String condition, Object value, Object secondValue, String typeHandler) {
+            super();
+            this.condition = condition;
+            this.value = value;
+            this.secondValue = secondValue;
+            this.typeHandler = typeHandler;
+            this.betweenValue = true;
+        }
+
+        protected Criterion(String condition, Object value, Object secondValue) {
+            this(condition, value, secondValue, null);
+        }
+    }
+}
\ No newline at end of file
diff --git a/backend/src/main/java/io/metersphere/base/mapper/TestPlanProjectMapper.java b/backend/src/main/java/io/metersphere/base/mapper/TestPlanProjectMapper.java
new file mode 100644
index 0000000000..8cc74a97cf
--- /dev/null
+++ b/backend/src/main/java/io/metersphere/base/mapper/TestPlanProjectMapper.java
@@ -0,0 +1,22 @@
+package io.metersphere.base.mapper;
+
+import io.metersphere.base.domain.TestPlanProject;
+import io.metersphere.base.domain.TestPlanProjectExample;
+import java.util.List;
+import org.apache.ibatis.annotations.Param;
+
+public interface TestPlanProjectMapper {
+    long countByExample(TestPlanProjectExample example);
+
+    int deleteByExample(TestPlanProjectExample example);
+
+    int insert(TestPlanProject record);
+
+    int insertSelective(TestPlanProject record);
+
+    List<TestPlanProject> selectByExample(TestPlanProjectExample example);
+
+    int updateByExampleSelective(@Param("record") TestPlanProject record, @Param("example") TestPlanProjectExample example);
+
+    int updateByExample(@Param("record") TestPlanProject record, @Param("example") TestPlanProjectExample example);
+}
\ No newline at end of file
diff --git a/backend/src/main/java/io/metersphere/base/mapper/TestPlanProjectMapper.xml b/backend/src/main/java/io/metersphere/base/mapper/TestPlanProjectMapper.xml
new file mode 100644
index 0000000000..34bf58bc7c
--- /dev/null
+++ b/backend/src/main/java/io/metersphere/base/mapper/TestPlanProjectMapper.xml
@@ -0,0 +1,140 @@
+<?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="io.metersphere.base.mapper.TestPlanProjectMapper">
+  <resultMap id="BaseResultMap" type="io.metersphere.base.domain.TestPlanProject">
+    <result column="test_plan_id" jdbcType="VARCHAR" property="testPlanId" />
+    <result column="project_id" jdbcType="VARCHAR" property="projectId" />
+  </resultMap>
+  <sql id="Example_Where_Clause">
+    <where>
+      <foreach collection="oredCriteria" item="criteria" separator="or">
+        <if test="criteria.valid">
+          <trim prefix="(" prefixOverrides="and" suffix=")">
+            <foreach collection="criteria.criteria" item="criterion">
+              <choose>
+                <when test="criterion.noValue">
+                  and ${criterion.condition}
+                </when>
+                <when test="criterion.singleValue">
+                  and ${criterion.condition} #{criterion.value}
+                </when>
+                <when test="criterion.betweenValue">
+                  and ${criterion.condition} #{criterion.value} and #{criterion.secondValue}
+                </when>
+                <when test="criterion.listValue">
+                  and ${criterion.condition}
+                  <foreach close=")" collection="criterion.value" item="listItem" open="(" separator=",">
+                    #{listItem}
+                  </foreach>
+                </when>
+              </choose>
+            </foreach>
+          </trim>
+        </if>
+      </foreach>
+    </where>
+  </sql>
+  <sql id="Update_By_Example_Where_Clause">
+    <where>
+      <foreach collection="example.oredCriteria" item="criteria" separator="or">
+        <if test="criteria.valid">
+          <trim prefix="(" prefixOverrides="and" suffix=")">
+            <foreach collection="criteria.criteria" item="criterion">
+              <choose>
+                <when test="criterion.noValue">
+                  and ${criterion.condition}
+                </when>
+                <when test="criterion.singleValue">
+                  and ${criterion.condition} #{criterion.value}
+                </when>
+                <when test="criterion.betweenValue">
+                  and ${criterion.condition} #{criterion.value} and #{criterion.secondValue}
+                </when>
+                <when test="criterion.listValue">
+                  and ${criterion.condition}
+                  <foreach close=")" collection="criterion.value" item="listItem" open="(" separator=",">
+                    #{listItem}
+                  </foreach>
+                </when>
+              </choose>
+            </foreach>
+          </trim>
+        </if>
+      </foreach>
+    </where>
+  </sql>
+  <sql id="Base_Column_List">
+    test_plan_id, project_id
+  </sql>
+  <select id="selectByExample" parameterType="io.metersphere.base.domain.TestPlanProjectExample" resultMap="BaseResultMap">
+    select
+    <if test="distinct">
+      distinct
+    </if>
+    <include refid="Base_Column_List" />
+    from test_plan_project
+    <if test="_parameter != null">
+      <include refid="Example_Where_Clause" />
+    </if>
+    <if test="orderByClause != null">
+      order by ${orderByClause}
+    </if>
+  </select>
+  <delete id="deleteByExample" parameterType="io.metersphere.base.domain.TestPlanProjectExample">
+    delete from test_plan_project
+    <if test="_parameter != null">
+      <include refid="Example_Where_Clause" />
+    </if>
+  </delete>
+  <insert id="insert" parameterType="io.metersphere.base.domain.TestPlanProject">
+    insert into test_plan_project (test_plan_id, project_id)
+    values (#{testPlanId,jdbcType=VARCHAR}, #{projectId,jdbcType=VARCHAR})
+  </insert>
+  <insert id="insertSelective" parameterType="io.metersphere.base.domain.TestPlanProject">
+    insert into test_plan_project
+    <trim prefix="(" suffix=")" suffixOverrides=",">
+      <if test="testPlanId != null">
+        test_plan_id,
+      </if>
+      <if test="projectId != null">
+        project_id,
+      </if>
+    </trim>
+    <trim prefix="values (" suffix=")" suffixOverrides=",">
+      <if test="testPlanId != null">
+        #{testPlanId,jdbcType=VARCHAR},
+      </if>
+      <if test="projectId != null">
+        #{projectId,jdbcType=VARCHAR},
+      </if>
+    </trim>
+  </insert>
+  <select id="countByExample" parameterType="io.metersphere.base.domain.TestPlanProjectExample" resultType="java.lang.Long">
+    select count(*) from test_plan_project
+    <if test="_parameter != null">
+      <include refid="Example_Where_Clause" />
+    </if>
+  </select>
+  <update id="updateByExampleSelective" parameterType="map">
+    update test_plan_project
+    <set>
+      <if test="record.testPlanId != null">
+        test_plan_id = #{record.testPlanId,jdbcType=VARCHAR},
+      </if>
+      <if test="record.projectId != null">
+        project_id = #{record.projectId,jdbcType=VARCHAR},
+      </if>
+    </set>
+    <if test="_parameter != null">
+      <include refid="Update_By_Example_Where_Clause" />
+    </if>
+  </update>
+  <update id="updateByExample" parameterType="map">
+    update test_plan_project
+    set test_plan_id = #{record.testPlanId,jdbcType=VARCHAR},
+      project_id = #{record.projectId,jdbcType=VARCHAR}
+    <if test="_parameter != null">
+      <include refid="Update_By_Example_Where_Clause" />
+    </if>
+  </update>
+</mapper>
\ No newline at end of file
diff --git a/backend/src/main/resources/db/migration/V17__test_plan_project.sql b/backend/src/main/resources/db/migration/V17__test_plan_project.sql
new file mode 100644
index 0000000000..c1f57b0667
--- /dev/null
+++ b/backend/src/main/resources/db/migration/V17__test_plan_project.sql
@@ -0,0 +1,9 @@
+create table if not exists test_plan_project
+(
+	test_plan_id varchar(50) null,
+	project_id varchar(50) null,
+	constraint test_plan_project_pk
+		unique (test_plan_id, project_id)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+insert into test_plan_project(test_plan_id, project_id) select id test_plan_id, project_id project_id from test_plan;
\ No newline at end of file