diff --git a/screenshots/12_admin_local_governments.png b/screenshots/12_admin_local_governments.png
index a39f0c8..76bc9cd 100644
Binary files a/screenshots/12_admin_local_governments.png and b/screenshots/12_admin_local_governments.png differ
diff --git a/writable/database/fix_double_encoding.sql b/writable/database/fix_double_encoding.sql
new file mode 100644
index 0000000..bba909b
--- /dev/null
+++ b/writable/database/fix_double_encoding.sql
@@ -0,0 +1,16 @@
+-- ============================================
+-- 이중 인코딩(UTF-8→latin1→UTF-8) 한글 데이터 수정
+-- 2026-03-25 적용 완료
+-- ============================================
+
+-- local_government
+UPDATE `local_government` SET `lg_name` = CONVERT(BINARY(CONVERT(`lg_name` USING latin1)) USING utf8mb4) WHERE `lg_name` IS NOT NULL AND `lg_name` != '';
+UPDATE `local_government` SET `lg_sido` = CONVERT(BINARY(CONVERT(`lg_sido` USING latin1)) USING utf8mb4) WHERE `lg_sido` IS NOT NULL AND `lg_sido` != '';
+UPDATE `local_government` SET `lg_gugun` = CONVERT(BINARY(CONVERT(`lg_gugun` USING latin1)) USING utf8mb4) WHERE `lg_gugun` IS NOT NULL AND `lg_gugun` != '';
+UPDATE `local_government` SET `lg_addr` = CONVERT(BINARY(CONVERT(`lg_addr` USING latin1)) USING utf8mb4) WHERE `lg_addr` IS NOT NULL AND `lg_addr` != '';
+
+-- code_kind
+UPDATE `code_kind` SET `ck_name` = CONVERT(BINARY(CONVERT(`ck_name` USING latin1)) USING utf8mb4) WHERE `ck_name` IS NOT NULL AND `ck_name` != '';
+
+-- code_detail
+UPDATE `code_detail` SET `cd_name` = CONVERT(BINARY(CONVERT(`cd_name` USING latin1)) USING utf8mb4) WHERE `cd_name` IS NOT NULL AND `cd_name` != '';