diff --git a/backend/migrations/000055_manual_disbursement_custom_category_repair.sql b/backend/migrations/000055_manual_disbursement_custom_category_repair.sql
new file mode 100644
index 0000000..a127d05
--- /dev/null
+++ b/backend/migrations/000055_manual_disbursement_custom_category_repair.sql
@@ -0,0 +1,24 @@
+-- +goose Up
+
+-- 本地历史数据库可能已占用 000053 版本但未包含该字段，此迁移负责补齐。
+-- +goose StatementBegin
+SET @custom_category_column_exists = (
+  SELECT COUNT(*)
+  FROM information_schema.columns
+  WHERE table_schema = DATABASE()
+    AND table_name = 'manual_disbursements'
+    AND column_name = 'custom_category_name'
+);
+SET @custom_category_sql = IF(
+  @custom_category_column_exists = 0,
+  'ALTER TABLE manual_disbursements ADD COLUMN custom_category_name VARCHAR(50) NOT NULL DEFAULT '''' COMMENT ''自定义出款分类名称''',
+  'SELECT 1'
+);
+PREPARE custom_category_statement FROM @custom_category_sql;
+EXECUTE custom_category_statement;
+DEALLOCATE PREPARE custom_category_statement;
+-- +goose StatementEnd
+
+-- +goose Down
+
+-- 补偿迁移不删除字段，避免回滚时误删由 000053 创建的列。