diff --git a/.gitignore b/.gitignore
index 50262f0..693d721 100644
--- a/.gitignore
+++ b/.gitignore
@@ -92,4 +92,11 @@ service/
 
 # ===== 开源隔离区（独立 git 仓库，不参与 toolbox 提交/备份）=====
 git_toolbox_open/
-/tools/
\ No newline at end of file
+/tools/
+
+# ===== SQLite 临时日志文件 =====
+# .db 主文件继续入库（数据持久化）；-wal/-shm 是运行时临时日志，
+# 每次读写都变，入库只会产生 modified 噪音。
+# 注意：对已跟踪文件需先 git rm --cached 才会生效。
+*.db-wal
+*.db-shm
diff --git a/src/server/thought_lab/labs/bot_chess/bot_chess.db-shm b/src/server/thought_lab/labs/bot_chess/bot_chess.db-shm
deleted file mode 100644
index 8b0c188..0000000
Binary files a/src/server/thought_lab/labs/bot_chess/bot_chess.db-shm and /dev/null differ
diff --git a/src/server/thought_lab/labs/bot_chess/bot_chess.db-wal b/src/server/thought_lab/labs/bot_chess/bot_chess.db-wal
deleted file mode 100644
index ac3ff89..0000000
Binary files a/src/server/thought_lab/labs/bot_chess/bot_chess.db-wal and /dev/null differ
diff --git a/src/server/thought_lab/labs/kaleidoscope/kaleidoscope.db-shm b/src/server/thought_lab/labs/kaleidoscope/kaleidoscope.db-shm
deleted file mode 100644
index 283c891..0000000
Binary files a/src/server/thought_lab/labs/kaleidoscope/kaleidoscope.db-shm and /dev/null differ
diff --git a/src/server/thought_lab/labs/kaleidoscope/kaleidoscope.db-wal b/src/server/thought_lab/labs/kaleidoscope/kaleidoscope.db-wal
deleted file mode 100644
index d657da4..0000000
Binary files a/src/server/thought_lab/labs/kaleidoscope/kaleidoscope.db-wal and /dev/null differ
diff --git a/src/server/thought_lab/labs/mall_food_checkin/mall_food_checkin.db-shm b/src/server/thought_lab/labs/mall_food_checkin/mall_food_checkin.db-shm
deleted file mode 100644
index a1ae032..0000000
Binary files a/src/server/thought_lab/labs/mall_food_checkin/mall_food_checkin.db-shm and /dev/null differ
diff --git a/src/server/thought_lab/labs/mall_food_checkin/mall_food_checkin.db-wal b/src/server/thought_lab/labs/mall_food_checkin/mall_food_checkin.db-wal
deleted file mode 100644
index f8c2be3..0000000
Binary files a/src/server/thought_lab/labs/mall_food_checkin/mall_food_checkin.db-wal and /dev/null differ