diff --git a/backend/src/main/java/io/metersphere/base/domain/Project.java b/backend/src/main/java/io/metersphere/base/domain/Project.java
index 5a95aaa5ce..f6f24ddc6b 100644
--- a/backend/src/main/java/io/metersphere/base/domain/Project.java
+++ b/backend/src/main/java/io/metersphere/base/domain/Project.java
@@ -1,8 +1,7 @@
 package io.metersphere.base.domain;
 
-import lombok.Data;
-
 import java.io.Serializable;
+import lombok.Data;
 
 @Data
 public class Project implements Serializable {
@@ -30,5 +29,7 @@ public class Project implements Serializable {
 
     private String issueTemplateId;
 
+    private Boolean customNum;
+
     private static final long serialVersionUID = 1L;
-}
+}
\ No newline at end of file
diff --git a/backend/src/main/java/io/metersphere/base/domain/ProjectExample.java b/backend/src/main/java/io/metersphere/base/domain/ProjectExample.java
index b3c5b9ca12..0ea636173b 100644
--- a/backend/src/main/java/io/metersphere/base/domain/ProjectExample.java
+++ b/backend/src/main/java/io/metersphere/base/domain/ProjectExample.java
@@ -913,6 +913,66 @@ public class ProjectExample {
             addCriterion("issue_template_id not between", value1, value2, "issueTemplateId");
             return (Criteria) this;
         }
+
+        public Criteria andCustomNumIsNull() {
+            addCriterion("custom_num is null");
+            return (Criteria) this;
+        }
+
+        public Criteria andCustomNumIsNotNull() {
+            addCriterion("custom_num is not null");
+            return (Criteria) this;
+        }
+
+        public Criteria andCustomNumEqualTo(Boolean value) {
+            addCriterion("custom_num =", value, "customNum");
+            return (Criteria) this;
+        }
+
+        public Criteria andCustomNumNotEqualTo(Boolean value) {
+            addCriterion("custom_num <>", value, "customNum");
+            return (Criteria) this;
+        }
+
+        public Criteria andCustomNumGreaterThan(Boolean value) {
+            addCriterion("custom_num >", value, "customNum");
+            return (Criteria) this;
+        }
+
+        public Criteria andCustomNumGreaterThanOrEqualTo(Boolean value) {
+            addCriterion("custom_num >=", value, "customNum");
+            return (Criteria) this;
+        }
+
+        public Criteria andCustomNumLessThan(Boolean value) {
+            addCriterion("custom_num <", value, "customNum");
+            return (Criteria) this;
+        }
+
+        public Criteria andCustomNumLessThanOrEqualTo(Boolean value) {
+            addCriterion("custom_num <=", value, "customNum");
+            return (Criteria) this;
+        }
+
+        public Criteria andCustomNumIn(List<Boolean> values) {
+            addCriterion("custom_num in", values, "customNum");
+            return (Criteria) this;
+        }
+
+        public Criteria andCustomNumNotIn(List<Boolean> values) {
+            addCriterion("custom_num not in", values, "customNum");
+            return (Criteria) this;
+        }
+
+        public Criteria andCustomNumBetween(Boolean value1, Boolean value2) {
+            addCriterion("custom_num between", value1, value2, "customNum");
+            return (Criteria) this;
+        }
+
+        public Criteria andCustomNumNotBetween(Boolean value1, Boolean value2) {
+            addCriterion("custom_num not between", value1, value2, "customNum");
+            return (Criteria) this;
+        }
     }
 
     public static class Criteria extends GeneratedCriteria {
diff --git a/backend/src/main/java/io/metersphere/base/domain/TestCase.java b/backend/src/main/java/io/metersphere/base/domain/TestCase.java
index 5b29f508cf..9c18ce630d 100644
--- a/backend/src/main/java/io/metersphere/base/domain/TestCase.java
+++ b/backend/src/main/java/io/metersphere/base/domain/TestCase.java
@@ -49,5 +49,7 @@ public class TestCase implements Serializable {
 
     private String status;
 
+    private String customNum;
+
     private static final long serialVersionUID = 1L;
 }
\ No newline at end of file
diff --git a/backend/src/main/java/io/metersphere/base/domain/TestCaseExample.java b/backend/src/main/java/io/metersphere/base/domain/TestCaseExample.java
index 96daffcbf2..80aeb81946 100644
--- a/backend/src/main/java/io/metersphere/base/domain/TestCaseExample.java
+++ b/backend/src/main/java/io/metersphere/base/domain/TestCaseExample.java
@@ -1603,6 +1603,76 @@ public class TestCaseExample {
             addCriterion("`status` not between", value1, value2, "status");
             return (Criteria) this;
         }
+
+        public Criteria andCustomNumIsNull() {
+            addCriterion("custom_num is null");
+            return (Criteria) this;
+        }
+
+        public Criteria andCustomNumIsNotNull() {
+            addCriterion("custom_num is not null");
+            return (Criteria) this;
+        }
+
+        public Criteria andCustomNumEqualTo(String value) {
+            addCriterion("custom_num =", value, "customNum");
+            return (Criteria) this;
+        }
+
+        public Criteria andCustomNumNotEqualTo(String value) {
+            addCriterion("custom_num <>", value, "customNum");
+            return (Criteria) this;
+        }
+
+        public Criteria andCustomNumGreaterThan(String value) {
+            addCriterion("custom_num >", value, "customNum");
+            return (Criteria) this;
+        }
+
+        public Criteria andCustomNumGreaterThanOrEqualTo(String value) {
+            addCriterion("custom_num >=", value, "customNum");
+            return (Criteria) this;
+        }
+
+        public Criteria andCustomNumLessThan(String value) {
+            addCriterion("custom_num <", value, "customNum");
+            return (Criteria) this;
+        }
+
+        public Criteria andCustomNumLessThanOrEqualTo(String value) {
+            addCriterion("custom_num <=", value, "customNum");
+            return (Criteria) this;
+        }
+
+        public Criteria andCustomNumLike(String value) {
+            addCriterion("custom_num like", value, "customNum");
+            return (Criteria) this;
+        }
+
+        public Criteria andCustomNumNotLike(String value) {
+            addCriterion("custom_num not like", value, "customNum");
+            return (Criteria) this;
+        }
+
+        public Criteria andCustomNumIn(List<String> values) {
+            addCriterion("custom_num in", values, "customNum");
+            return (Criteria) this;
+        }
+
+        public Criteria andCustomNumNotIn(List<String> values) {
+            addCriterion("custom_num not in", values, "customNum");
+            return (Criteria) this;
+        }
+
+        public Criteria andCustomNumBetween(String value1, String value2) {
+            addCriterion("custom_num between", value1, value2, "customNum");
+            return (Criteria) this;
+        }
+
+        public Criteria andCustomNumNotBetween(String value1, String value2) {
+            addCriterion("custom_num not between", value1, value2, "customNum");
+            return (Criteria) this;
+        }
     }
 
     public static class Criteria extends GeneratedCriteria {
diff --git a/backend/src/main/java/io/metersphere/base/mapper/ProjectMapper.xml b/backend/src/main/java/io/metersphere/base/mapper/ProjectMapper.xml
index 9e8035bbef..2723649d41 100644
--- a/backend/src/main/java/io/metersphere/base/mapper/ProjectMapper.xml
+++ b/backend/src/main/java/io/metersphere/base/mapper/ProjectMapper.xml
@@ -14,6 +14,7 @@
     <result column="repeatable" jdbcType="BIT" property="repeatable" />
     <result column="case_template_id" jdbcType="VARCHAR" property="caseTemplateId" />
     <result column="issue_template_id" jdbcType="VARCHAR" property="issueTemplateId" />
+    <result column="custom_num" jdbcType="BIT" property="customNum" />
   </resultMap>
   <sql id="Example_Where_Clause">
     <where>
@@ -75,7 +76,7 @@
   </sql>
   <sql id="Base_Column_List">
     id, workspace_id, `name`, description, create_time, update_time, tapd_id, jira_key, 
-    zentao_id, `repeatable`, case_template_id, issue_template_id
+    zentao_id, `repeatable`, case_template_id, issue_template_id, custom_num
   </sql>
   <select id="selectByExample" parameterType="io.metersphere.base.domain.ProjectExample" resultMap="BaseResultMap">
     select
@@ -111,13 +112,13 @@
     insert into project (id, workspace_id, `name`, 
       description, create_time, update_time, 
       tapd_id, jira_key, zentao_id, 
-      `repeatable`, case_template_id, issue_template_id
-      )
+      `repeatable`, case_template_id, issue_template_id, 
+      custom_num)
     values (#{id,jdbcType=VARCHAR}, #{workspaceId,jdbcType=VARCHAR}, #{name,jdbcType=VARCHAR}, 
       #{description,jdbcType=VARCHAR}, #{createTime,jdbcType=BIGINT}, #{updateTime,jdbcType=BIGINT}, 
       #{tapdId,jdbcType=VARCHAR}, #{jiraKey,jdbcType=VARCHAR}, #{zentaoId,jdbcType=VARCHAR}, 
-      #{repeatable,jdbcType=BIT}, #{caseTemplateId,jdbcType=VARCHAR}, #{issueTemplateId,jdbcType=VARCHAR}
-      )
+      #{repeatable,jdbcType=BIT}, #{caseTemplateId,jdbcType=VARCHAR}, #{issueTemplateId,jdbcType=VARCHAR}, 
+      #{customNum,jdbcType=BIT})
   </insert>
   <insert id="insertSelective" parameterType="io.metersphere.base.domain.Project">
     insert into project
@@ -158,6 +159,9 @@
       <if test="issueTemplateId != null">
         issue_template_id,
       </if>
+      <if test="customNum != null">
+        custom_num,
+      </if>
     </trim>
     <trim prefix="values (" suffix=")" suffixOverrides=",">
       <if test="id != null">
@@ -196,6 +200,9 @@
       <if test="issueTemplateId != null">
         #{issueTemplateId,jdbcType=VARCHAR},
       </if>
+      <if test="customNum != null">
+        #{customNum,jdbcType=BIT},
+      </if>
     </trim>
   </insert>
   <select id="countByExample" parameterType="io.metersphere.base.domain.ProjectExample" resultType="java.lang.Long">
@@ -243,6 +250,9 @@
       <if test="record.issueTemplateId != null">
         issue_template_id = #{record.issueTemplateId,jdbcType=VARCHAR},
       </if>
+      <if test="record.customNum != null">
+        custom_num = #{record.customNum,jdbcType=BIT},
+      </if>
     </set>
     <if test="_parameter != null">
       <include refid="Update_By_Example_Where_Clause" />
@@ -261,7 +271,8 @@
       zentao_id = #{record.zentaoId,jdbcType=VARCHAR},
       `repeatable` = #{record.repeatable,jdbcType=BIT},
       case_template_id = #{record.caseTemplateId,jdbcType=VARCHAR},
-      issue_template_id = #{record.issueTemplateId,jdbcType=VARCHAR}
+      issue_template_id = #{record.issueTemplateId,jdbcType=VARCHAR},
+      custom_num = #{record.customNum,jdbcType=BIT}
     <if test="_parameter != null">
       <include refid="Update_By_Example_Where_Clause" />
     </if>
@@ -302,6 +313,9 @@
       <if test="issueTemplateId != null">
         issue_template_id = #{issueTemplateId,jdbcType=VARCHAR},
       </if>
+      <if test="customNum != null">
+        custom_num = #{customNum,jdbcType=BIT},
+      </if>
     </set>
     where id = #{id,jdbcType=VARCHAR}
   </update>
@@ -317,7 +331,8 @@
       zentao_id = #{zentaoId,jdbcType=VARCHAR},
       `repeatable` = #{repeatable,jdbcType=BIT},
       case_template_id = #{caseTemplateId,jdbcType=VARCHAR},
-      issue_template_id = #{issueTemplateId,jdbcType=VARCHAR}
+      issue_template_id = #{issueTemplateId,jdbcType=VARCHAR},
+      custom_num = #{customNum,jdbcType=BIT}
     where id = #{id,jdbcType=VARCHAR}
   </update>
 </mapper>
\ No newline at end of file
diff --git a/backend/src/main/java/io/metersphere/base/mapper/TestCaseMapper.xml b/backend/src/main/java/io/metersphere/base/mapper/TestCaseMapper.xml
index c9d1cb6d90..2bfeb8402e 100644
--- a/backend/src/main/java/io/metersphere/base/mapper/TestCaseMapper.xml
+++ b/backend/src/main/java/io/metersphere/base/mapper/TestCaseMapper.xml
@@ -24,6 +24,7 @@
     <result column="demand_name" jdbcType="VARCHAR" property="demandName" />
     <result column="follow_people" jdbcType="VARCHAR" property="followPeople" />
     <result column="status" jdbcType="VARCHAR" property="status" />
+    <result column="custom_num" jdbcType="VARCHAR" property="customNum" />
   </resultMap>
   <resultMap extends="BaseResultMap" id="ResultMapWithBLOBs" type="io.metersphere.base.domain.TestCaseWithBLOBs">
     <result column="remark" jdbcType="LONGVARCHAR" property="remark" />
@@ -93,7 +94,7 @@
   <sql id="Base_Column_List">
     id, node_id, node_path, project_id, `name`, `type`, maintainer, priority, `method`, 
     prerequisite, create_time, update_time, test_id, sort, num, other_test_name, review_status, 
-    tags, demand_id, demand_name, follow_people, `status`
+    tags, demand_id, demand_name, follow_people, `status`, custom_num
   </sql>
   <sql id="Blob_Column_List">
     remark, steps, step_description, expected_result, custom_fields
@@ -154,8 +155,8 @@
       test_id, sort, num, 
       other_test_name, review_status, tags, 
       demand_id, demand_name, follow_people, 
-      `status`, remark, steps, 
-      step_description, expected_result, 
+      `status`, custom_num, remark, 
+      steps, step_description, expected_result, 
       custom_fields)
     values (#{id,jdbcType=VARCHAR}, #{nodeId,jdbcType=VARCHAR}, #{nodePath,jdbcType=VARCHAR}, 
       #{projectId,jdbcType=VARCHAR}, #{name,jdbcType=VARCHAR}, #{type,jdbcType=VARCHAR}, 
@@ -164,8 +165,8 @@
       #{testId,jdbcType=VARCHAR}, #{sort,jdbcType=INTEGER}, #{num,jdbcType=INTEGER}, 
       #{otherTestName,jdbcType=VARCHAR}, #{reviewStatus,jdbcType=VARCHAR}, #{tags,jdbcType=VARCHAR}, 
       #{demandId,jdbcType=VARCHAR}, #{demandName,jdbcType=VARCHAR}, #{followPeople,jdbcType=VARCHAR}, 
-      #{status,jdbcType=VARCHAR}, #{remark,jdbcType=LONGVARCHAR}, #{steps,jdbcType=LONGVARCHAR}, 
-      #{stepDescription,jdbcType=LONGVARCHAR}, #{expectedResult,jdbcType=LONGVARCHAR}, 
+      #{status,jdbcType=VARCHAR}, #{customNum,jdbcType=VARCHAR}, #{remark,jdbcType=LONGVARCHAR}, 
+      #{steps,jdbcType=LONGVARCHAR}, #{stepDescription,jdbcType=LONGVARCHAR}, #{expectedResult,jdbcType=LONGVARCHAR}, 
       #{customFields,jdbcType=LONGVARCHAR})
   </insert>
   <insert id="insertSelective" parameterType="io.metersphere.base.domain.TestCaseWithBLOBs">
@@ -237,6 +238,9 @@
       <if test="status != null">
         `status`,
       </if>
+      <if test="customNum != null">
+        custom_num,
+      </if>
       <if test="remark != null">
         remark,
       </if>
@@ -320,6 +324,9 @@
       <if test="status != null">
         #{status,jdbcType=VARCHAR},
       </if>
+      <if test="customNum != null">
+        #{customNum,jdbcType=VARCHAR},
+      </if>
       <if test="remark != null">
         #{remark,jdbcType=LONGVARCHAR},
       </if>
@@ -412,6 +419,9 @@
       <if test="record.status != null">
         `status` = #{record.status,jdbcType=VARCHAR},
       </if>
+      <if test="record.customNum != null">
+        custom_num = #{record.customNum,jdbcType=VARCHAR},
+      </if>
       <if test="record.remark != null">
         remark = #{record.remark,jdbcType=LONGVARCHAR},
       </if>
@@ -456,6 +466,7 @@
       demand_name = #{record.demandName,jdbcType=VARCHAR},
       follow_people = #{record.followPeople,jdbcType=VARCHAR},
       `status` = #{record.status,jdbcType=VARCHAR},
+      custom_num = #{record.customNum,jdbcType=VARCHAR},
       remark = #{record.remark,jdbcType=LONGVARCHAR},
       steps = #{record.steps,jdbcType=LONGVARCHAR},
       step_description = #{record.stepDescription,jdbcType=LONGVARCHAR},
@@ -488,7 +499,8 @@
       demand_id = #{record.demandId,jdbcType=VARCHAR},
       demand_name = #{record.demandName,jdbcType=VARCHAR},
       follow_people = #{record.followPeople,jdbcType=VARCHAR},
-      `status` = #{record.status,jdbcType=VARCHAR}
+      `status` = #{record.status,jdbcType=VARCHAR},
+      custom_num = #{record.customNum,jdbcType=VARCHAR}
     <if test="_parameter != null">
       <include refid="Update_By_Example_Where_Clause" />
     </if>
@@ -559,6 +571,9 @@
       <if test="status != null">
         `status` = #{status,jdbcType=VARCHAR},
       </if>
+      <if test="customNum != null">
+        custom_num = #{customNum,jdbcType=VARCHAR},
+      </if>
       <if test="remark != null">
         remark = #{remark,jdbcType=LONGVARCHAR},
       </if>
@@ -600,6 +615,7 @@
       demand_name = #{demandName,jdbcType=VARCHAR},
       follow_people = #{followPeople,jdbcType=VARCHAR},
       `status` = #{status,jdbcType=VARCHAR},
+      custom_num = #{customNum,jdbcType=VARCHAR},
       remark = #{remark,jdbcType=LONGVARCHAR},
       steps = #{steps,jdbcType=LONGVARCHAR},
       step_description = #{stepDescription,jdbcType=LONGVARCHAR},
@@ -629,7 +645,8 @@
       demand_id = #{demandId,jdbcType=VARCHAR},
       demand_name = #{demandName,jdbcType=VARCHAR},
       follow_people = #{followPeople,jdbcType=VARCHAR},
-      `status` = #{status,jdbcType=VARCHAR}
+      `status` = #{status,jdbcType=VARCHAR},
+      custom_num = #{customNum,jdbcType=VARCHAR}
     where id = #{id,jdbcType=VARCHAR}
   </update>
 </mapper>
\ No newline at end of file
diff --git a/backend/src/main/java/io/metersphere/base/mapper/ext/ExtProjectMapper.xml b/backend/src/main/java/io/metersphere/base/mapper/ext/ExtProjectMapper.xml
index d42bddc58a..fdb9841919 100644
--- a/backend/src/main/java/io/metersphere/base/mapper/ext/ExtProjectMapper.xml
+++ b/backend/src/main/java/io/metersphere/base/mapper/ext/ExtProjectMapper.xml
@@ -4,7 +4,7 @@
 
     <select id="getProjectWithWorkspace" resultType="io.metersphere.dto.ProjectDTO">
         select p.id, p.workspace_id, p.name, p.description, p.update_time, p.issue_template_id, p.case_template_id,
-        p.create_time, w.id as workspaceId, w.name as workspaceName, p.tapd_id, p.jira_key, p.zentao_id,p.repeatable
+        p.create_time, w.id as workspaceId, w.name as workspaceName, p.tapd_id, p.jira_key, p.zentao_id,p.repeatable, p.custom_num
         from project p
         join workspace w on p.workspace_id = w.id
         <where>
diff --git a/backend/src/main/java/io/metersphere/base/mapper/ext/ExtTestCaseMapper.java b/backend/src/main/java/io/metersphere/base/mapper/ext/ExtTestCaseMapper.java
index 7d74c9411e..eaa5285860 100644
--- a/backend/src/main/java/io/metersphere/base/mapper/ext/ExtTestCaseMapper.java
+++ b/backend/src/main/java/io/metersphere/base/mapper/ext/ExtTestCaseMapper.java
@@ -88,4 +88,6 @@ public interface ExtTestCaseMapper {
     List<TestCaseWithBLOBs> listForMinder(@Param("request") QueryTestCaseRequest request);
 
     List<TestCaseDTO> getTestCaseByIds(@Param("ids")List<String> ids);
+
+    void updateTestCaseCustomNumByProjectId(@Param("projectId") String projectId);
 }
diff --git a/backend/src/main/java/io/metersphere/base/mapper/ext/ExtTestCaseMapper.xml b/backend/src/main/java/io/metersphere/base/mapper/ext/ExtTestCaseMapper.xml
index 0b9a4cc501..a9d8cd7a48 100644
--- a/backend/src/main/java/io/metersphere/base/mapper/ext/ExtTestCaseMapper.xml
+++ b/backend/src/main/java/io/metersphere/base/mapper/ext/ExtTestCaseMapper.xml
@@ -71,6 +71,9 @@
             </include>
         </if>
     </sql>
+    <update id="updateTestCaseCustomNumByProjectId">
+        update test_case set custom_num = num where custom_num is null and project_id = #{projectId}
+    </update>
 
     <select id="getTestCaseByNotInReview" resultType="io.metersphere.base.domain.TestCase">
         select test_case.id, test_case.name, test_case.priority, test_case.type, test_case.review_status from test_case
@@ -297,7 +300,8 @@
             <if test="request.name != null">
                 and (test_case.name like CONCAT('%', #{request.name},'%')
                 or test_case.num like CONCAT('%', #{request.name},'%')
-                or test_case.tags like CONCAT('%', #{request.name},'%'))
+                or test_case.tags like CONCAT('%', #{request.name},'%')
+                or test_case.custom_num like CONCAT('%', #{request.name},'%'))
             </if>
             <if test="request.relevanceCreateTime >0">
                 and test_case.id in (select test_case_id from test_case_test where test_case_test.create_time >= #{request.createTime})
diff --git a/backend/src/main/java/io/metersphere/base/mapper/ext/ExtTestPlanTestCaseMapper.xml b/backend/src/main/java/io/metersphere/base/mapper/ext/ExtTestPlanTestCaseMapper.xml
index 84e7c614af..4b5731e16e 100644
--- a/backend/src/main/java/io/metersphere/base/mapper/ext/ExtTestPlanTestCaseMapper.xml
+++ b/backend/src/main/java/io/metersphere/base/mapper/ext/ExtTestPlanTestCaseMapper.xml
@@ -138,7 +138,7 @@
     <select id="list" resultType="io.metersphere.track.dto.TestPlanCaseDTO">
         select test_plan_test_case.id as id, test_case.id as caseId, test_case.name, test_case.priority,
         test_case.type,test_case.test_id as testId,test_case.node_id, test_case.tags, test_case.maintainer,
-        test_case.node_path, test_case.method, test_case.num, test_plan_test_case.executor, test_plan_test_case.status, test_plan_test_case.actual_result,
+        test_case.node_path, test_case.method, if(project.custom_num = 0, cast(test_case.num as char), test_case.custom_num) as customNum, test_plan_test_case.executor, test_plan_test_case.status, test_plan_test_case.actual_result,
         test_plan_test_case.update_time, test_case_node.name as model, project.name as projectName,
         test_plan_test_case.plan_id as planId
         from test_plan_test_case
@@ -154,8 +154,10 @@
                 </include>
             </if>
             <if test="request.name != null">
-                and (test_case.name like CONCAT('%', #{request.name},'%') or test_case.num like
-                CONCAT('%',#{request.name},'%') or test_case.tags like CONCAT('%', #{request.name},'%'))
+                and (test_case.name like CONCAT('%', #{request.name},'%')
+                         or test_case.num like CONCAT('%',#{request.name},'%')
+                         or test_case.custom_num like CONCAT('%',#{request.name},'%')
+                         or test_case.tags like CONCAT('%', #{request.name},'%'))
             </if>
             <if test="request.id != null">
                 and test_case.id = #{request.id}
@@ -227,8 +229,11 @@
             order by
             <foreach collection="request.orders" separator="," item="order">
                 <choose>
-                    <when test="order.name == 'num'">
-                        test_case.num ${order.type}
+<!--                    <when test="order.name == 'num'">-->
+<!--                        test_case.num ${order.type}-->
+<!--                    </when>-->
+                    <when test="order.name == 'custom_num'">
+                        test_case.num ${order.type}, test_case.custom_num ${order.type}
                     </when>
                     <otherwise>
                         test_plan_test_case.${order.name} ${order.type}
diff --git a/backend/src/main/java/io/metersphere/base/mapper/ext/ExtTestReviewCaseMapper.xml b/backend/src/main/java/io/metersphere/base/mapper/ext/ExtTestReviewCaseMapper.xml
index f4db81db4e..c44a160770 100644
--- a/backend/src/main/java/io/metersphere/base/mapper/ext/ExtTestReviewCaseMapper.xml
+++ b/backend/src/main/java/io/metersphere/base/mapper/ext/ExtTestReviewCaseMapper.xml
@@ -100,7 +100,7 @@
         select test_case_review_test_case.id as id, test_case_review_test_case.reviewer,
         test_case_review_test_case.update_time, test_case_review_test_case.review_id as reviewId,
         test_case.id as caseId, test_case.name, test_case.priority,  test_case.test_id as testId,
-        test_case.type, test_case.node_path, test_case.method, test_case.num, test_case.review_status,
+        test_case.type, test_case.node_path, test_case.method, if(project.custom_num = 0, cast(test_case.num as char), test_case.custom_num) as customNum, test_case.review_status,
         test_case.remark as remark,  test_case.steps as steps, test_case.node_id as nodeId,
         test_case_node.name as model,
         project.name as projectName
@@ -116,7 +116,10 @@
                 </include>
             </if>
             <if test="request.name != null">
-                and (test_case.name like CONCAT('%', #{request.name},'%') or test_case.num like CONCAT('%', #{request.name},'%'))
+                and (test_case.name like CONCAT('%', #{request.name},'%')
+                         or test_case.num like CONCAT('%', #{request.name},'%')
+                        or test_case.custom_num like CONCAT('%', #{request.name},'%')
+                    )
             </if>
             <if test="request.id != null">
                 and test_case.id = #{request.id}
@@ -176,8 +179,11 @@
             order by
             <foreach collection="request.orders" separator="," item="order">
                 <choose>
-                    <when test="order.name == 'num'">
-                        test_case.num ${order.type}
+<!--                    <when test="order.name == 'num'">-->
+<!--                        test_case.num ${order.type}-->
+<!--                    </when>-->
+                    <when test="order.name == 'custom_num'">
+                        test_case.num ${order.type}, test_case.custom_num ${order.type}
                     </when>
                     <otherwise>
                         test_case_review_test_case.${order.name} ${order.type}
diff --git a/backend/src/main/java/io/metersphere/service/ProjectService.java b/backend/src/main/java/io/metersphere/service/ProjectService.java
index 1986272850..2fe87c82a0 100644
--- a/backend/src/main/java/io/metersphere/service/ProjectService.java
+++ b/backend/src/main/java/io/metersphere/service/ProjectService.java
@@ -145,6 +145,9 @@ public class ProjectService {
         project.setCreateTime(null);
         project.setUpdateTime(System.currentTimeMillis());
         checkProjectExist(project);
+        if (project.getCustomNum()) {
+            testCaseService.updateTestCaseCustomNumByProjectId(project.getId());
+        }
         projectMapper.updateByPrimaryKeySelective(project);
     }
 
diff --git a/backend/src/main/java/io/metersphere/track/service/TestCaseService.java b/backend/src/main/java/io/metersphere/track/service/TestCaseService.java
index 1687cbd437..bf88ffb822 100644
--- a/backend/src/main/java/io/metersphere/track/service/TestCaseService.java
+++ b/backend/src/main/java/io/metersphere/track/service/TestCaseService.java
@@ -115,6 +115,7 @@ public class TestCaseService {
         testCase.setId(UUID.randomUUID().toString());
         testCase.setCreateTime(System.currentTimeMillis());
         testCase.setUpdateTime(System.currentTimeMillis());
+        checkTestCustomNum(testCase);
         testCase.setNum(getNextNum(testCase.getProjectId()));
         testCase.setReviewStatus(TestCaseReviewStatus.Prepare.name());
         testCase.setDemandId(testCase.getDemandId());
@@ -124,6 +125,34 @@ public class TestCaseService {
         return testCase;
     }
 
+    private void checkTestCustomNum(TestCaseWithBLOBs testCase) {
+        if (StringUtils.isNotBlank(testCase.getCustomNum())) {
+            String projectId = testCase.getProjectId();
+            Project project = projectService.getProjectById(projectId);
+            if (project != null) {
+                Boolean customNum = project.getCustomNum();
+                // 未开启自定义ID
+                if (!customNum) {
+                    testCase.setCustomNum(null);
+                } else {
+                    checkCustomNumExist(testCase);
+                }
+            } else {
+                MSException.throwException("add test case fail, project is not find.");
+            }
+        }
+    }
+
+    private void checkCustomNumExist(TestCaseWithBLOBs testCase) {
+        TestCaseExample example = new TestCaseExample();
+        example.createCriteria().andCustomNumEqualTo(testCase.getCustomNum())
+                .andIdNotEqualTo(testCase.getId());
+        List<TestCase> list = testCaseMapper.selectByExample(example);
+        if (CollectionUtils.isNotEmpty(list)) {
+            MSException.throwException("test case custom num is exist.");
+        }
+    }
+
     public List<TestCase> getTestCaseByNodeId(List<String> nodeIds) {
         TestCaseExample testCaseExample = new TestCaseExample();
         testCaseExample.createCriteria().andNodeIdIn(nodeIds);
@@ -135,6 +164,7 @@ public class TestCaseService {
     }
 
     public int editTestCase(TestCaseWithBLOBs testCase) {
+        checkTestCustomNum(testCase);
         testCase.setUpdateTime(System.currentTimeMillis());
         return testCaseMapper.updateByPrimaryKeySelective(testCase);
     }
@@ -439,6 +469,7 @@ public class TestCaseService {
     public void saveImportData(List<TestCaseWithBLOBs> testCases, String projectId) {
         Map<String, String> nodePathMap = testCaseNodeService.createNodeByTestCases(testCases, projectId);
         SqlSession sqlSession = sqlSessionFactory.openSession(ExecutorType.BATCH);
+        Project project = projectService.getProjectById(projectId);
         TestCaseMapper mapper = sqlSession.getMapper(TestCaseMapper.class);
         if (!testCases.isEmpty()) {
             AtomicInteger sort = new AtomicInteger();
@@ -450,7 +481,11 @@ public class TestCaseService {
                 testcase.setUpdateTime(System.currentTimeMillis());
                 testcase.setNodeId(nodePathMap.get(testcase.getNodePath()));
                 testcase.setSort(sort.getAndIncrement());
-                testcase.setNum(num.decrementAndGet());
+                int number = num.decrementAndGet();
+                testcase.setNum(number);
+                if (project.getCustomNum()) {
+                    testcase.setCustomNum(String.valueOf(number));
+                }
                 testcase.setReviewStatus(TestCaseReviewStatus.Prepare.name());
                     mapper.insert(testcase);
             });
@@ -969,4 +1004,12 @@ public class TestCaseService {
         request.setOrders(ServiceUtils.getDefaultOrder(request.getOrders()));
         return getTestCaseByNotInIssue(request);
     }
+
+    /**
+     * 更新项目下用例的CustomNum值
+     * @param projectId 项目ID
+     */
+    public void updateTestCaseCustomNumByProjectId(String projectId) {
+        extTestCaseMapper.updateTestCaseCustomNumByProjectId(projectId);
+    }
 }
diff --git a/backend/src/main/resources/db/migration/V80__v1.9.0_release.sql b/backend/src/main/resources/db/migration/V80__v1.9.0_release.sql
index 71f58ae6a3..9a71a44532 100644
--- a/backend/src/main/resources/db/migration/V80__v1.9.0_release.sql
+++ b/backend/src/main/resources/db/migration/V80__v1.9.0_release.sql
@@ -247,3 +247,7 @@ ALTER TABLE test_case_template MODIFY COLUMN case_name varchar(64) NULL COMMENT
 UPDATE system_header
 SET props='[{"id":"num","label":"ID"},{"id":"name","label":"名称"},{"id":"priority","label":"用例等级"},{"id":"type","label":"类型"},{"id":"tags","label":"标签"},{"id":"nodePath","label":"所属模块"},{"id":"projectName","label":"所属项目"},{"id":"issuesContent","label":"缺陷"},{"id":"executorName","label":"执行人"},{"id":"status","label":"执行结果"},{"id":"updateTime","label":"更新时间"},{"id":"maintainer","label":"责任人"}]'
 WHERE `type`='test_plan_function_test_case';
+
+-- 自定义用例ID
+alter table project add custom_num tinyint(1) default 0 null comment '是否开启自定义ID(默认关闭)';
+alter table test_case add custom_num varchar(64) null comment 'custom num';
\ No newline at end of file
diff --git a/frontend/src/business/components/settings/project/MsProject.vue b/frontend/src/business/components/settings/project/MsProject.vue
index ad371c1fc1..559a385ef8 100644
--- a/frontend/src/business/components/settings/project/MsProject.vue
+++ b/frontend/src/business/components/settings/project/MsProject.vue
@@ -84,6 +84,9 @@
         <el-form-item :label="$t('project.repeatable')" prop="repeatable">
           <el-switch v-model="form.repeatable"></el-switch>
         </el-form-item>
+        <el-form-item label="测试用例自定义ID" prop="customNum">
+          <el-switch v-model="form.customNum"></el-switch>
+        </el-form-item>
       </el-form>
       <template v-slot:footer>
         <div class="dialog-footer">
diff --git a/frontend/src/business/components/track/case/TestCase.vue b/frontend/src/business/components/track/case/TestCase.vue
index 2167453405..33d2aca511 100644
--- a/frontend/src/business/components/track/case/TestCase.vue
+++ b/frontend/src/business/components/track/case/TestCase.vue
@@ -37,6 +37,7 @@
             @refresh="refresh"
             @refreshAll="refreshAll"
             @setCondition="setCondition"
+            :custom-num="custom_num"
             ref="testCaseList">
           </test-case-list>
           <test-case-minder
@@ -63,6 +64,7 @@
               :select-node="selectNode"
               :select-condition="condition"
               :type="type"
+              :custom-num="custom_num"
               @addTab="addTab"
               ref="testCaseEdit">
             </test-case-edit>
@@ -128,9 +130,11 @@ export default {
       loading: false,
       type:'',
       activeDom: 'left',
+      custom_num: false
     }
   },
   mounted() {
+    this.getProject();
     this.init(this.$route);
   },
   watch: {
@@ -372,6 +376,14 @@ export default {
     },
     setCondition(data) {
       this.condition = data;
+    },
+    getProject() {
+      this.$get("/project/get/" + this.projectId, result => {
+        let data = result.data;
+        if (data) {
+          this.custom_num = data.customNum;
+        }
+      })
     }
   }
 }
diff --git a/frontend/src/business/components/track/case/components/TestCaseEdit.vue b/frontend/src/business/components/track/case/components/TestCaseEdit.vue
index 4421e6236f..7652fecb0f 100644
--- a/frontend/src/business/components/track/case/components/TestCaseEdit.vue
+++ b/frontend/src/business/components/track/case/components/TestCaseEdit.vue
@@ -60,6 +60,15 @@
             </el-row>
           </el-form>
 
+          <el-row v-if="customNum">
+            <el-col :span="7">
+              <el-form-item label="ID" :label-width="formLabelWidth" prop="customNum">
+                <el-input :disabled="readOnly" v-model="form.customNum" size="small" class="ms-case-input"></el-input>
+              </el-form-item>
+            </el-col>
+          </el-row>
+
+
           <ms-form-divider :title="$t('步骤信息')"/>
 
           <div class="step-info">
@@ -180,6 +189,7 @@ export default {
         demandName: '',
         status: 'Prepare',
         reviewStatus: 'Prepare',
+        customNum: ''
       },
       readOnly: false,
       maintainerOptions: [],
@@ -191,6 +201,10 @@ export default {
           {max: 255, message: this.$t('test_track.length_less_than') + '255', trigger: 'blur'}
         ],
         module: [{required: true, message: this.$t('test_track.case.input_module'), trigger: 'change'}],
+        customNum: [
+          {required: true, message: "ID必填", trigger: 'blur'},
+          {max: 50, message: this.$t('test_track.length_less_than') + '50', trigger: 'blur'}
+        ],
         demandName: [{required: true, message: this.$t('test_track.case.input_demand_name'), trigger: 'change'}],
         maintainer: [{required: true, message: this.$t('test_track.case.input_maintainer'), trigger: 'change'}],
         priority: [{required: true, message: this.$t('test_track.case.input_priority'), trigger: 'change'}],
@@ -231,7 +245,11 @@ export default {
     selectCondition: {
       type: Object
     },
-    type: String
+    type: String,
+    customNum: {
+      type: Boolean,
+      default: false
+    }
   },
   computed: {
     projectIds() {
@@ -689,6 +707,7 @@ export default {
         desc: '',
         result: ''
       }];
+      this.form.customNum = '';
     },
     addListener() {
       document.addEventListener("keydown", this.createCtrlSHandle);
diff --git a/frontend/src/business/components/track/case/components/TestCaseList.vue b/frontend/src/business/components/track/case/components/TestCaseList.vue
index 793939c320..3b940bf119 100644
--- a/frontend/src/business/components/track/case/components/TestCaseList.vue
+++ b/frontend/src/business/components/track/case/components/TestCaseList.vue
@@ -36,7 +36,7 @@
       <template v-for="(item, index) in tableLabel">
 
         <el-table-column
-          v-if="item.id == 'num'"
+          v-if="item.id === 'num' && !customNum"
           prop="num"
           sortable="custom"
           :label="$t('commons.id')"
@@ -44,6 +44,15 @@
           width="80"
           show-overflow-tooltip>
         </el-table-column>
+        <el-table-column
+          v-if="item.id === 'num' && customNum"
+          prop="customNum"
+          sortable="custom"
+          :label="$t('commons.id')"
+          :key="index"
+          width="80"
+          show-overflow-tooltip>
+        </el-table-column>
         <el-table-column
           v-if="item.id == 'name'"
           prop="name"
@@ -293,6 +302,10 @@ export default {
     trashEnable: {
       type: Boolean,
       default: false,
+    },
+    customNum: {
+      type: Boolean,
+      default: false
     }
   },
   computed: {
diff --git a/frontend/src/business/components/track/plan/view/comonents/functional/FunctionalTestCaseList.vue b/frontend/src/business/components/track/plan/view/comonents/functional/FunctionalTestCaseList.vue
index 0e61d92cc4..aa78ebfd66 100644
--- a/frontend/src/business/components/track/plan/view/comonents/functional/FunctionalTestCaseList.vue
+++ b/frontend/src/business/components/track/plan/view/comonents/functional/FunctionalTestCaseList.vue
@@ -53,7 +53,7 @@
         <template v-for="(item, index) in tableLabel">
           <el-table-column
             v-if="item.id == 'num'"
-            prop="num"
+            prop="customNum"
             sortable="custom"
             :label="$t('commons.id')"
             min-width="120px"
diff --git a/frontend/src/business/components/track/review/view/components/TestReviewTestCaseList.vue b/frontend/src/business/components/track/review/view/components/TestReviewTestCaseList.vue
index c94fb4969c..2652c13846 100644
--- a/frontend/src/business/components/track/review/view/components/TestReviewTestCaseList.vue
+++ b/frontend/src/business/components/track/review/view/components/TestReviewTestCaseList.vue
@@ -46,7 +46,7 @@
       <template v-for="(item, index) in tableLabel">
         <el-table-column
           v-if="item.id == 'num'"
-          prop="num"
+          prop="customNum"
           sortable="custom"
           min-width="100"
           :label="$t('commons.id')"