diff --git a/microservices-modules/microservices-modules-pms/src/main/java/com/microservices/pms/product/domain/PmsProduct.java b/microservices-modules/microservices-modules-pms/src/main/java/com/microservices/pms/product/domain/PmsProduct.java
index fbde92818..39600d4af 100644
--- a/microservices-modules/microservices-modules-pms/src/main/java/com/microservices/pms/product/domain/PmsProduct.java
+++ b/microservices-modules/microservices-modules-pms/src/main/java/com/microservices/pms/product/domain/PmsProduct.java
@@ -66,16 +66,13 @@ public class PmsProduct extends BaseEntity
     /** 删除标志（0代表存在 2代表删除） */
     private String delFlag;
 
-    /** 预留字段1 */
+    @ApiModelProperty(value = "自定义标识")
+    private String customIdentifier;
+
     @ApiModelProperty(value = "预留字段1")
     @JsonInclude(JsonInclude.Include.NON_EMPTY)
     private String reservedField1;
 
-    /** 预留字段2 */
-    @ApiModelProperty(value = "预留字段2")
-    @JsonInclude(JsonInclude.Include.NON_EMPTY)
-    private String reservedField2;
-
 
     public PmsProductDataVo toPmsProductDataVo() {
         PmsProductDataVo target = new PmsProductDataVo();
diff --git a/microservices-modules/microservices-modules-pms/src/main/java/com/microservices/pms/product/domain/vo/PmsProductInputVo.java b/microservices-modules/microservices-modules-pms/src/main/java/com/microservices/pms/product/domain/vo/PmsProductInputVo.java
index 44cb814af..450576ddc 100644
--- a/microservices-modules/microservices-modules-pms/src/main/java/com/microservices/pms/product/domain/vo/PmsProductInputVo.java
+++ b/microservices-modules/microservices-modules-pms/src/main/java/com/microservices/pms/product/domain/vo/PmsProductInputVo.java
@@ -42,10 +42,10 @@ public class PmsProductInputVo
     @ApiModelProperty(value = "关联企业标识", hidden = true)
     private String pmsEnterpriseIdentifier;
 
-    @ApiModelProperty(value = "产品标识", required = true)
+    @ApiModelProperty(value = "产品自定义标识", required = true)
     @NotNull
     @Size(max = 50, message = "长度需要小于50")
-    private String productIdentifier;
+    private String customIdentifier;
 
     public PmsProduct toPmsProduct(String pmsEnterpriseIdentifier) {
         PmsProduct target = new PmsProduct();
diff --git a/microservices-modules/microservices-modules-pms/src/main/java/com/microservices/pms/product/mapper/PmsProductMapper.java b/microservices-modules/microservices-modules-pms/src/main/java/com/microservices/pms/product/mapper/PmsProductMapper.java
index c5867a77f..5ff4d24b8 100644
--- a/microservices-modules/microservices-modules-pms/src/main/java/com/microservices/pms/product/mapper/PmsProductMapper.java
+++ b/microservices-modules/microservices-modules-pms/src/main/java/com/microservices/pms/product/mapper/PmsProductMapper.java
@@ -91,4 +91,6 @@ public interface PmsProductMapper
     Integer selectPmsProductCount(PmsProductSearchVo pmsProductSearchVo);
 
     Integer selectPmsProductByIdentifierCount(@Param("identifier") String identifier, @Param("pmsEnterpriseIdentifier") String pmsEnterpriseIdentifier);
+
+    Integer selectPmsProductByCustomIdentifierCount(@Param("customIdentifier") String customIdentifier, @Param("enterpriseIdentifier") String enterpriseIdentifier);
 }
diff --git a/microservices-modules/microservices-modules-pms/src/main/java/com/microservices/pms/product/service/impl/PmsProductRequirementServiceImpl.java b/microservices-modules/microservices-modules-pms/src/main/java/com/microservices/pms/product/service/impl/PmsProductRequirementServiceImpl.java
index abddccf18..2a169c8e7 100644
--- a/microservices-modules/microservices-modules-pms/src/main/java/com/microservices/pms/product/service/impl/PmsProductRequirementServiceImpl.java
+++ b/microservices-modules/microservices-modules-pms/src/main/java/com/microservices/pms/product/service/impl/PmsProductRequirementServiceImpl.java
@@ -372,7 +372,8 @@ public class PmsProductRequirementServiceImpl implements IPmsProductRequirementS
     private void userReqToReqSpecs(PmsProductRequirement userReq, PmsProductReqOperationRecord record) {
         PmsProductRequirement reqSpecs =
                 userReq.userReqToReqSpecs();
-        reqSpecs.setIdentifier(genReqSpecsIdentifier(userReq.getPmsProductIdentifier(), userReq.getTitle(), null));
+        PmsProduct pmsProduct = pmsProductService.selectPmsProductByIdentifier(userReq.getPmsProductIdentifier());
+        reqSpecs.setIdentifier(genReqSpecsIdentifier(pmsProduct.getCustomIdentifier(), userReq.getTitle(), null));
         reqSpecs.setCreateAndUpdate(SecurityUtils.getUsername());
         pmsProductRequirementMapper.insertPmsProductRequirement(reqSpecs);
         record.setProductRequirementId(reqSpecs.getId());
@@ -434,17 +435,17 @@ public class PmsProductRequirementServiceImpl implements IPmsProductRequirementS
         return toProductReqSpecsDetailVo(pmsProductRequirement);
     }
 
-    private String genReqSpecsIdentifier(String productIdentifier, String reqTitle, String oldIdentifier) {
+    private String genReqSpecsIdentifier(String customIdentifier, String reqTitle, String oldIdentifier) {
         // 去掉标题中特殊字符
         String regEx = "\\pP|\\pS|\\s+";
         reqTitle = Pattern.compile(regEx).matcher(reqTitle).replaceAll("").trim();
         String reqTitleIdentifier = PinYinStringUtils.toFirstChar(reqTitle).toUpperCase();
-        String identifier = productIdentifier + "-" + reqTitleIdentifier;
+        String identifier = customIdentifier + "-" + reqTitleIdentifier;
         if (!identifier.equals(oldIdentifier)) {
             Integer count = pmsProductRequirementMapper.selectReqSpecsCountByIdentifier(identifier);
             int nameCount = 1;
             while (count > 0) {
-                identifier = productIdentifier + "-" + reqTitleIdentifier + "-" + nameCount;
+                identifier = customIdentifier + "-" + reqTitleIdentifier + "-" + nameCount;
                 count = pmsProductRequirementMapper.selectReqSpecsCountByIdentifier(identifier);
                 nameCount++;
             }
@@ -464,7 +465,7 @@ public class PmsProductRequirementServiceImpl implements IPmsProductRequirementS
         checkReqSpecsParameter(pmsProductRequirement, pmsProduct, null);
 
         // 生成需求唯一标识
-        pmsProductRequirement.setIdentifier(genReqSpecsIdentifier(pmsProduct.getProductIdentifier(), productReqSpecsInputVo.getTitle(), null));
+        pmsProductRequirement.setIdentifier(genReqSpecsIdentifier(pmsProduct.getCustomIdentifier(), productReqSpecsInputVo.getTitle(), null));
         // 设置默认需求状态
         pmsProductRequirement.setStatus(ProductReqStatus.PENDING_REVIEW_REQ_SPECS.getKey());
 
diff --git a/microservices-modules/microservices-modules-pms/src/main/java/com/microservices/pms/product/service/impl/PmsProductServiceImpl.java b/microservices-modules/microservices-modules-pms/src/main/java/com/microservices/pms/product/service/impl/PmsProductServiceImpl.java
index 27db70ac1..c5c086cee 100644
--- a/microservices-modules/microservices-modules-pms/src/main/java/com/microservices/pms/product/service/impl/PmsProductServiceImpl.java
+++ b/microservices-modules/microservices-modules-pms/src/main/java/com/microservices/pms/product/service/impl/PmsProductServiceImpl.java
@@ -116,10 +116,11 @@ public class PmsProductServiceImpl implements IPmsProductService
     @Override
     public String insertPmsProduct(PmsProduct pmsProduct) {
         PmsEnterprise pmsEnterprise = pmsEnterpriseService.selectPmsEnterpriseByIdentifier(pmsProduct.getPmsEnterpriseIdentifier());
+        pmsProduct.setProductIdentifier(genProductIdentifier());
         checkNameDuplicates(pmsProduct.getProductName(), pmsProduct.getPmsEnterpriseIdentifier());
-        Integer count = pmsProductMapper.selectPmsProductByIdentifierCount(pmsProduct.getProductIdentifier(), pmsEnterprise.getEnterpriseIdentifier());
+        Integer count = pmsProductMapper.selectPmsProductByCustomIdentifierCount(pmsProduct.getCustomIdentifier(), pmsEnterprise.getEnterpriseIdentifier());
         if (count > 0) {
-            throw new ServiceException("该产品标识在当前企业下已存在(产品标识[%s])", pmsProduct.getProductIdentifier());
+            throw new ServiceException("该产品自定义标识在当前企业下已存在(产品自定义标识[%s])", pmsProduct.getCustomIdentifier());
         }
         pmsProduct.setPmsEnterpriseId(pmsEnterprise.getId());
         String currentUsername=SecurityUtils.getUsername();
diff --git a/microservices-modules/microservices-modules-pms/src/main/resources/mapper/pms/PmsProductMapper.xml b/microservices-modules/microservices-modules-pms/src/main/resources/mapper/pms/PmsProductMapper.xml
index d7b702965..ff95794c7 100644
--- a/microservices-modules/microservices-modules-pms/src/main/resources/mapper/pms/PmsProductMapper.xml
+++ b/microservices-modules/microservices-modules-pms/src/main/resources/mapper/pms/PmsProductMapper.xml
@@ -20,7 +20,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         <result property="createBy"    column="create_by"    />
         <result property="delFlag"    column="del_flag"    />
         <result property="reservedField1"    column="reserved_field_1"    />
-        <result property="reservedField2"    column="reserved_field_2"    />
+        <result property="customIdentifier" column="custom_identifier"/>
     </resultMap>
 
     <sql id="selectPmsProductVo">
@@ -39,7 +39,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
                create_by,
                del_flag,
                reserved_field_1,
-               reserved_field_2
+               custom_identifier
         from pms_product
     </sql>
 
@@ -59,7 +59,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
                ppd.create_by,
                ppd.del_flag,
                ppd.reserved_field_1,
-               ppd.reserved_field_2
+               ppd.custom_identifier
         from pms_product ppd
                  left join pms_enterprise as pe on ppd.pms_enterprise_id = pe.id
     </sql>
@@ -116,6 +116,13 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         where ppd.product_identifier = #{identifier}
           and pe.enterprise_identifier = #{pmsEnterpriseIdentifier}
     </select>
+    <select id="selectPmsProductByCustomIdentifierCount" resultType="java.lang.Integer">
+        select count(0)
+        from pms_product ppd
+                 left join pms_enterprise as pe on ppd.pms_enterprise_id = pe.id
+        where ppd.custom_identifier = #{customIdentifier}
+          and pe.enterprise_identifier = #{enterpriseIdentifier}
+    </select>
 
     <insert id="insertPmsProduct" parameterType="PmsProduct" useGeneratedKeys="true" keyProperty="id">
         insert into pms_product
@@ -136,7 +143,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
             <if test="createBy != null">create_by,</if>
             <if test="delFlag != null">del_flag,</if>
             <if test="reservedField1 != null">reserved_field_1,</if>
-            <if test="reservedField2 != null">reserved_field_2,</if>
+            <if test="customIdentifier != null">custom_identifier,</if>
          </trim>
         <trim prefix="values (" suffix=")" suffixOverrides=",">
             <if test="productName != null and productName != ''">#{productName},</if>
@@ -155,7 +162,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
             <if test="createBy != null">#{createBy},</if>
             <if test="delFlag != null">#{delFlag},</if>
             <if test="reservedField1 != null">#{reservedField1},</if>
-            <if test="reservedField2 != null">#{reservedField2},</if>
+            <if test="customIdentifier != null">#{customIdentifier},</if>
          </trim>
     </insert>
 
@@ -178,7 +185,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
             <if test="createBy != null">create_by = #{createBy},</if>
             <if test="delFlag != null">del_flag = #{delFlag},</if>
             <if test="reservedField1 != null">reserved_field_1 = #{reservedField1},</if>
-            <if test="reservedField2 != null">reserved_field_2 = #{reservedField2},</if>
+            <if test="customIdentifier != null">custom_identifier = #{customIdentifier},</if>
         </trim>
         where id = #{id}
     </update>