diff --git a/doc/sql/transport/blade_invoice_application_sheet_kingdee_bill_no_20260924.sql b/doc/sql/transport/blade_invoice_application_sheet_kingdee_bill_no_20260924.sql
new file mode 100644
index 00000000..ec7bf6f3
--- /dev/null
+++ b/doc/sql/transport/blade_invoice_application_sheet_kingdee_bill_no_20260924.sql
@@ -0,0 +1,50 @@
+-- ============================================================
+-- blade_invoice_application_sheet_kingdee_bill_no_20260924.sql
+-- ============================================================
+-- 开票申请同步金蝶按发票张次拆分开票（A303-1 一张发票张次一张开票申请单）
+--   blade_invoice_application_sheet.kingdee_bill_no  本张发票对应的金蝶开票申请单编号（A303-1 返回，A303-5 serialNo 查询入口）
+--   blade_invoice_application.kingdee_bill_no        多张发票时逗号拼接全部金蝶单号，列加宽至 varchar(500) 防溢出
+--   blade_invoice_application_record.kingdee_bill_no 操作记录的同一字段同步加宽，避免多张单号拼接超长导致插入失败
+-- 以下结构升级支持重复执行
+
+-- ① blade_invoice_application_sheet.kingdee_bill_no
+SET @ddl_sql = (
+  SELECT IF(COUNT(*) = 0,
+    'ALTER TABLE `blade_invoice_application_sheet` ADD COLUMN `kingdee_bill_no` varchar(100) COLLATE utf8mb4_general_ci DEFAULT NULL COMMENT ''金蝶开票申请单编号（本张发票对应）'' AFTER `invoice_amount`',
+    'SELECT 1')
+  FROM information_schema.COLUMNS
+  WHERE TABLE_SCHEMA = DATABASE()
+    AND TABLE_NAME = 'blade_invoice_application_sheet'
+    AND COLUMN_NAME = 'kingdee_bill_no'
+);
+PREPARE ddl_stmt FROM @ddl_sql;
+EXECUTE ddl_stmt;
+DEALLOCATE PREPARE ddl_stmt;
+
+-- ② blade_invoice_application.kingdee_bill_no 加宽
+SET @ddl_sql = (
+  SELECT IF(CHARACTER_MAXIMUM_LENGTH < 500,
+    'ALTER TABLE `blade_invoice_application` MODIFY COLUMN `kingdee_bill_no` varchar(500) COLLATE utf8mb4_general_ci DEFAULT NULL COMMENT ''金蝶开票申请单编号（多张发票逗号拼接）''',
+    'SELECT 1')
+  FROM information_schema.COLUMNS
+  WHERE TABLE_SCHEMA = DATABASE()
+    AND TABLE_NAME = 'blade_invoice_application'
+    AND COLUMN_NAME = 'kingdee_bill_no'
+);
+PREPARE ddl_stmt FROM @ddl_sql;
+EXECUTE ddl_stmt;
+DEALLOCATE PREPARE ddl_stmt;
+
+-- ③ blade_invoice_application_record.kingdee_bill_no 加宽
+SET @ddl_sql = (
+  SELECT IF(CHARACTER_MAXIMUM_LENGTH < 500,
+    'ALTER TABLE `blade_invoice_application_record` MODIFY COLUMN `kingdee_bill_no` varchar(500) COLLATE utf8mb4_general_ci DEFAULT NULL COMMENT ''金蝶开票申请单编号（多张发票逗号拼接）''',
+    'SELECT 1')
+  FROM information_schema.COLUMNS
+  WHERE TABLE_SCHEMA = DATABASE()
+    AND TABLE_NAME = 'blade_invoice_application_record'
+    AND COLUMN_NAME = 'kingdee_bill_no'
+);
+PREPARE ddl_stmt FROM @ddl_sql;
+EXECUTE ddl_stmt;
+DEALLOCATE PREPARE ddl_stmt;
\ No newline at end of file