diff --git a/scripts/context_memory_guard.py b/scripts/context_memory_guard.py
index 41bb8af..3cb16a3 100755
--- a/scripts/context_memory_guard.py
+++ b/scripts/context_memory_guard.py
@@ -9,9 +9,6 @@ import re
 import os
 from datetime import datetime
 
-# 加载环境变量
-os.environ["SILICONFLOW_API_KEY"] = "sk-fpjdtxbxrhtekshircjhegstloxaodriekotjdyzzktyegcl"
-
 def log(msg):
     timestamp = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
     print(f"[{timestamp}] {msg}")
@@ -58,14 +55,8 @@ def main():
         
         log("✅ 文件记忆已更新")
         
-        # 2. 保存向量记忆
-        os.chdir(os.path.expanduser("~/openclaw-memory-vector"))
-        subprocess.run([
-            "python3", "memory_cli.py", "add",
-            f"【自动保存】上下文使用量达到 {max_usage}%，系统自动保存记忆。时间: {timestamp}",
-            "--tag", "auto-save,context-90"
-        ], capture_output=True, text=True)
-        log("✅ 向量记忆已保存")
+        # 2. 文件记忆已保存（向量记忆统一走 main.sqlite）
+        log("✅ 文件记忆已更新")
         
         log("✅ 记忆保存完成")
     else:
diff --git a/scripts/context_memory_guard.sh b/scripts/context_memory_guard.sh
index d194465..9a0950c 100755
--- a/scripts/context_memory_guard.sh
+++ b/scripts/context_memory_guard.sh
@@ -6,9 +6,6 @@
 
 set -e
 
-# 加载环境变量
-export SILICONFLOW_API_KEY="sk-fpjdtxbxrhtekshircjhegstloxaodriekotjdyzzktyegcl"
-
 LOG_FILE="/tmp/openclaw/context_memory_check.log"
 TIMESTAMP=$(date '+%Y-%m-%d %H:%M:%S')
 
@@ -65,11 +62,8 @@ if [ "$MAX_USAGE" -ge 90 ]; then
     echo -e "\n## 🔄 上下文自动保存 (${TIMESTAMP})\n\n**触发原因**: 上下文使用量达到 ${MAX_USAGE}%\n" >> "$MEMORY_FILE"
     log "✅ 文件记忆已更新"
 
-    # 2. 保存向量记忆
-    cd ~/openclaw-memory-vector && python3 memory_cli.py add \
-        "【自动保存】上下文使用量达到 ${MAX_USAGE}%，系统自动保存记忆。时间: ${TIMESTAMP}" \
-        --tag "auto-save,context-90" 2>&1 | tail -1
-    log "✅ 向量记忆已保存"
+    # 2. 文件记忆已保存（向量记忆统一走 main.sqlite）
+    log "✅ 文件记忆已更新"
 
     log "✅ 记忆保存完成"
 else
diff --git a/vector_memory/backup_main_sqlite.sh b/vector_memory/backup_main_sqlite.sh
new file mode 100755
index 0000000..4d19d91
--- /dev/null
+++ b/vector_memory/backup_main_sqlite.sh
@@ -0,0 +1,55 @@
+#!/bin/bash
+# ============================================================================
+# 向量记忆增量备份脚本
+# 策略：每日一个快照，通过 rsync --link-dest 指向前一天快照
+# 文件内容未变时使用硬链接（不占额外空间）
+# 保留最近 14 个每日快照
+# ============================================================================
+
+set -e
+
+SOURCE="$HOME/.openclaw/memory/main.sqlite"
+BACKUP_DIR="$HOME/openclaw-backup/vector_memory/snapshots"
+TODAY=$(date +%Y%m%d)
+YESTERDAY=$(date -d "yesterday" +%Y%m%d)
+SNAPSHOT_TODAY="$BACKUP_DIR/$TODAY"
+SNAPSHOT_YESTERDAY="$BACKUP_DIR/$YESTERDAY"
+
+mkdir -p "$BACKUP_DIR"
+
+log() {
+    echo "[$(date '+%Y-%m-%d %H:%M:%S')] [vector_backup] $1"
+}
+
+# ---- 检查源文件 ----
+if [ ! -f "$SOURCE" ]; then
+    log "ERROR: 源文件不存在 $SOURCE"
+    exit 1
+fi
+
+# ---- 执行增量/全量备份 ----
+if [ -n "$SNAPSHOT_YESTERDAY" ] && [ -d "$SNAPSHOT_YESTERDAY" ]; then
+    # 有昨天快照：增量硬链接
+    mkdir -p "$SNAPSHOT_TODAY"
+    rsync -a --link-dest="$SNAPSHOT_YESTERDAY" "$SOURCE" "$SNAPSHOT_TODAY/main.sqlite"
+    log "增量备份完成 → $SNAPSHOT_TODAY/main.sqlite ($(du -h "$SNAPSHOT_TODAY/main.sqlite" | cut -f1))"
+else
+    # 无昨天快照（首次或跨天后首次）：全量
+    mkdir -p "$SNAPSHOT_TODAY"
+    cp "$SOURCE" "$SNAPSHOT_TODAY/main.sqlite"
+    log "全量备份完成 → $SNAPSHOT_TODAY/main.sqlite ($(du -h "$SNAPSHOT_TODAY/main.sqlite" | cut -f1))"
+fi
+
+# ---- 清理 14 天前的快照 ----
+SNAP_COUNT=$(ls -d "$BACKUP_DIR"/20* 2>/dev/null | wc -l)
+if [ "$SNAP_COUNT" -gt 14 ]; then
+    ls -dt "$BACKUP_DIR"/20* | tail -n +15 | xargs -r rm -rf
+    log "已清理 14 天前的旧快照"
+fi
+
+# ---- 打印当前快照列表 ----
+log "当前每日快照（共 $SNAP_COUNT 个）:"
+for d in $(ls -dt "$BACKUP_DIR"/20* 2>/dev/null); do
+    log "  $(basename $d) ($(du -sh "$d" | cut -f1))"
+done
+log "总磁盘占用: $(du -sh "$BACKUP_DIR" | cut -f1)"
diff --git a/vector_memory/chroma_20260328.tar.gz b/vector_memory/chroma_20260328.tar.gz
new file mode 100644
index 0000000..b849f45
Binary files /dev/null and b/vector_memory/chroma_20260328.tar.gz differ
diff --git a/vector_memory/main_20260328.sqlite b/vector_memory/main_20260328.sqlite
new file mode 100644
index 0000000..42d9dc7
Binary files /dev/null and b/vector_memory/main_20260328.sqlite differ
diff --git a/vector_memory/snapshots/20260327/main.sqlite b/vector_memory/snapshots/20260327/main.sqlite
new file mode 100644
index 0000000..42d9dc7
Binary files /dev/null and b/vector_memory/snapshots/20260327/main.sqlite differ
diff --git a/vector_memory/snapshots/20260328/main.sqlite b/vector_memory/snapshots/20260328/main.sqlite
new file mode 100644
index 0000000..42d9dc7
Binary files /dev/null and b/vector_memory/snapshots/20260328/main.sqlite differ
diff --git a/workspace/skills/stock-monitor-skill/scripts/__pycache__/analyser.cpython-310.pyc b/workspace/skills/stock-monitor-skill/scripts/__pycache__/analyser.cpython-310.pyc
deleted file mode 100644
index c2c3e44..0000000
Binary files a/workspace/skills/stock-monitor-skill/scripts/__pycache__/analyser.cpython-310.pyc and /dev/null differ
diff --git a/workspace/skills/stock-monitor-skill/scripts/__pycache__/monitor.cpython-310.pyc b/workspace/skills/stock-monitor-skill/scripts/__pycache__/monitor.cpython-310.pyc
deleted file mode 100644
index ae67705..0000000
Binary files a/workspace/skills/stock-monitor-skill/scripts/__pycache__/monitor.cpython-310.pyc and /dev/null differ
diff --git a/workspace_backup_20260327/skills/stock-monitor-skill/scripts/__pycache__/analyser.cpython-310.pyc b/workspace_backup_20260327/skills/stock-monitor-skill/scripts/__pycache__/analyser.cpython-310.pyc
deleted file mode 100644
index f3a7bca..0000000
Binary files a/workspace_backup_20260327/skills/stock-monitor-skill/scripts/__pycache__/analyser.cpython-310.pyc and /dev/null differ
diff --git a/workspace_backup_20260327/skills/stock-monitor-skill/scripts/__pycache__/monitor.cpython-310.pyc b/workspace_backup_20260327/skills/stock-monitor-skill/scripts/__pycache__/monitor.cpython-310.pyc
deleted file mode 100644
index 7f94d39..0000000
Binary files a/workspace_backup_20260327/skills/stock-monitor-skill/scripts/__pycache__/monitor.cpython-310.pyc and /dev/null differ