diff --git a/docs/sql/alter_personnel_title_and_level_fields.sql b/docs/sql/alter_personnel_title_and_level_fields.sql
new file mode 100644
index 0000000..1956a6d
--- /dev/null
+++ b/docs/sql/alter_personnel_title_and_level_fields.sql
@@ -0,0 +1,32 @@
+-- ============================================================
+-- 变更说明：
+-- 1. org_personnel: 删除 professional_level_code、professional_level_name、person_type_name；
+--    title_code 改为 title_code_arr，类型 text
+-- 2. qual_filing_personnel: 删除 person_type_name；
+--    title_code 改为 title_code_arr，类型 text
+-- 3. qual_filing_personnel_change: 删除 person_type_name；
+--    title_code 改为 title_code_arr，类型 text
+-- ============================================================
+
+-- ----------------------------
+-- org_personnel
+-- ----------------------------
+ALTER TABLE `org_personnel`
+    DROP COLUMN `professional_level_code`,
+    DROP COLUMN `professional_level_name`,
+    DROP COLUMN `person_type_name`,
+    CHANGE COLUMN `title_code` `title_code_arr` text CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NULL COMMENT '职称(多个逗号分隔)';
+
+-- ----------------------------
+-- qual_filing_personnel
+-- ----------------------------
+ALTER TABLE `qual_filing_personnel`
+    DROP COLUMN `person_type_name`,
+    CHANGE COLUMN `title_code` `title_code_arr` text CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NULL COMMENT '职称(多个逗号分隔)';
+
+-- ----------------------------
+-- qual_filing_personnel_change
+-- ----------------------------
+ALTER TABLE `qual_filing_personnel_change`
+    DROP COLUMN `person_type_name`,
+    CHANGE COLUMN `title_code` `title_code_arr` text CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NULL COMMENT '职称(多个逗号分隔)';
diff --git a/safety-eval-client/src/main/java/org/qinan/safetyeval/client/co/TitleCodeCo.java b/safety-eval-client/src/main/java/org/qinan/safetyeval/client/co/TitleCodeCo.java
new file mode 100644
index 0000000..9a5f12a
--- /dev/null
+++ b/safety-eval-client/src/main/java/org/qinan/safetyeval/client/co/TitleCodeCo.java
@@ -0,0 +1,26 @@
+package org.qinan.safetyeval.client.co;
+
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+
+import java.io.Serializable;
+
+/**
+ * 职称信息CO（行业、职称、证明材料）
+ *
+ * @author safety-eval
+ */
+@Data
+public class TitleCodeCo implements Serializable {
+
+    private static final long serialVersionUID = 1L;
+
+    @ApiModelProperty(value = "行业编码")
+    private String industryCode;
+
+    @ApiModelProperty(value = "职称编码")
+    private String titleCode;
+
+    @ApiModelProperty(value = "证明材料地址")
+    private String proveUrl;
+}