diff --git a/src/main/resources/db/migration/mariadb/V255_2__fix_null.sql b/src/main/resources/db/migration/mariadb/V255_2__fix_null.sql
new file mode 100644
index 00000000..8254961f
--- /dev/null
+++ b/src/main/resources/db/migration/mariadb/V255_2__fix_null.sql
@@ -0,0 +1,17 @@
+-- maimai2_user_playlog
+-- Set ext_bool1 as NOT NULL and give it a default value (e.g., FALSE)
+UPDATE maimai2_user_playlog SET ext_bool1 = FALSE WHERE ext_bool1 IS NULL;
+ALTER TABLE maimai2_user_playlog MODIFY COLUMN ext_bool1 BOOLEAN NOT NULL DEFAULT FALSE;
+
+-- Set ext_num4 as NOT NULL (assuming it already has a default value of 0)
+UPDATE maimai2_user_playlog SET ext_num4 = 0 WHERE ext_num4 IS NULL;
+ALTER TABLE maimai2_user_playlog MODIFY COLUMN ext_num4 INTEGER NOT NULL DEFAULT 0;
+
+-- maimai2_user_detail
+-- Add default value for current_play_count and set it as NOT NULL
+UPDATE maimai2_user_detail SET current_play_count = 0 WHERE current_play_count IS NULL;
+ALTER TABLE maimai2_user_detail MODIFY COLUMN current_play_count INTEGER NOT NULL DEFAULT 0;
+
+-- Add default value for rename_credit and set it as NOT NULL
+UPDATE maimai2_user_detail SET rename_credit = 0 WHERE rename_credit IS NULL;
+ALTER TABLE maimai2_user_detail MODIFY COLUMN rename_credit INTEGER NOT NULL DEFAULT 0;
diff --git a/src/main/resources/db/migration/mysql/V255_2__fix_null.sql b/src/main/resources/db/migration/mysql/V255_2__fix_null.sql
new file mode 100644
index 00000000..8254961f
--- /dev/null
+++ b/src/main/resources/db/migration/mysql/V255_2__fix_null.sql
@@ -0,0 +1,17 @@
+-- maimai2_user_playlog
+-- Set ext_bool1 as NOT NULL and give it a default value (e.g., FALSE)
+UPDATE maimai2_user_playlog SET ext_bool1 = FALSE WHERE ext_bool1 IS NULL;
+ALTER TABLE maimai2_user_playlog MODIFY COLUMN ext_bool1 BOOLEAN NOT NULL DEFAULT FALSE;
+
+-- Set ext_num4 as NOT NULL (assuming it already has a default value of 0)
+UPDATE maimai2_user_playlog SET ext_num4 = 0 WHERE ext_num4 IS NULL;
+ALTER TABLE maimai2_user_playlog MODIFY COLUMN ext_num4 INTEGER NOT NULL DEFAULT 0;
+
+-- maimai2_user_detail
+-- Add default value for current_play_count and set it as NOT NULL
+UPDATE maimai2_user_detail SET current_play_count = 0 WHERE current_play_count IS NULL;
+ALTER TABLE maimai2_user_detail MODIFY COLUMN current_play_count INTEGER NOT NULL DEFAULT 0;
+
+-- Add default value for rename_credit and set it as NOT NULL
+UPDATE maimai2_user_detail SET rename_credit = 0 WHERE rename_credit IS NULL;
+ALTER TABLE maimai2_user_detail MODIFY COLUMN rename_credit INTEGER NOT NULL DEFAULT 0;
diff --git a/src/main/resources/db/migration/sqlite/V255_2__fix_null.sql b/src/main/resources/db/migration/sqlite/V255_2__fix_null.sql
new file mode 100644
index 00000000..88ab48e1
--- /dev/null
+++ b/src/main/resources/db/migration/sqlite/V255_2__fix_null.sql
@@ -0,0 +1,3 @@
+UPDATE maimai2_user_playlog SET ext_bool1=false;
+UPDATE maimai2_user_detail SET current_play_count=0;
+UPDATE maimai2_user_detail SET rename_credit=0;
\ No newline at end of file