diff --git a/ruoyi-bussiness/src/main/resources/mapper/ThemeEmploymentRegisterMapper.xml b/ruoyi-bussiness/src/main/resources/mapper/ThemeEmploymentRegisterMapper.xml
index 2ec685c..7ea509a 100644
--- a/ruoyi-bussiness/src/main/resources/mapper/ThemeEmploymentRegisterMapper.xml
+++ b/ruoyi-bussiness/src/main/resources/mapper/ThemeEmploymentRegisterMapper.xml
@@ -279,7 +279,7 @@
         FROM (
         SELECT
         AAC044,
-        AAB022 AS code
+        SUBSTRING(AAB022 FROM 1 FOR 1) AS code
         FROM theme_employment_register
         WHERE
         <!-- 引入公共条件 -->
@@ -336,7 +336,7 @@
         FROM (
         SELECT
         AAC044,
-        AAB022 AS code,
+        SUBSTRING(AAB022 FROM 1 FOR 1) AS code,
         ACC328
         FROM theme_employment_register
         WHERE