diff --git a/sync.sh b/sync.sh
index d784aef..68cdb4d 100755
--- a/sync.sh
+++ b/sync.sh
@@ -1,128 +1,74 @@
 #!/bin/bash
 # Hermes Sync Script - 真正的双向合并同步
-# 策略：先 pull（合并远程），再 push（推送本地）。不做 force push。
-# 冲突处理：MEMORY.md 使用 " ours" 策略（优先保留本地），其他文件手动合并
 set -e
 
 SYNC_DIR="${SYNC_DIR:-$HOME/.hermes-sync}"
 HERMES_HOME="${HERMES_HOME:-$HOME/.hermes}"
 
-RED='\033[0;31m'
-GREEN='\033[0;32m'
-YELLOW='\033[1;33m'
-NC='\033[0m'
-info()  { echo -e "${GREEN}[$(date '+%H:%M:%S')]${NC} $*"; }
-warn()  { echo -e "${YELLOW}[$(date '+%H:%M:%S')] WARN:${NC} $*"; }
-error() { echo -e "${RED}[$(date '+%H:%M:%S')] ERROR:${NC} $*"; }
-
 cd "$SYNC_DIR"
+git config pull.rebase false
 
-# 确保在 main 分支
-git checkout main 2>/dev/null || true
+echo "[$(date '+%H:%M:%S')] Starting sync..."
 
-# ===== 步骤 1: 复制本地文件到同步目录 =====
-info "Staging local changes..."
+# Stage local changes
 cp "$HERMES_HOME/memories/MEMORY.md" "$SYNC_DIR/memories/MEMORY.md" 2>/dev/null || true
-# 复制所有技能（rsync 增量同步）
 if [ -d "$HERMES_HOME/skills" ]; then
-    mkdir -p "$SYNC_DIR/skills"
+    mkdir -p "$SYNC_DIR/memories" "$SYNC_DIR/skills"
     rsync -a --delete "$HERMES_HOME/skills/" "$SYNC_DIR/skills/" 2>/dev/null || true
 fi
 git add -A
 
-# 检查本地是否有变更
-if git diff --cached --quiet && git diff --quiet; then
-    LOCAL_CHANGES=false
-else
-    LOCAL_CHANGES=true
+HAS_LOCAL=false
+if ! git diff --cached --quiet || ! git diff --quiet; then
+    HAS_LOCAL=true
 fi
 
-# ===== 步骤 2: 拉取远程并合并 =====
-info "Fetching remote changes..."
+# Fetch and merge remote
 git fetch origin main
 
-# 检查远程是否有新提交
 if git rev-parse HEAD >/dev/null 2>&1 && \
    git rev-parse origin/main >/dev/null 2>&1 && \
    ! git merge-base --is-ancestor HEAD origin/main 2>/dev/null; then
-    REMOTE_AHEAD=true
-else
-    REMOTE_AHEAD=false
-fi
-
-if [ "$REMOTE_AHEAD" = true ]; then
-    info "Remote has new changes, merging..."
+    echo "[$(date '+%H:%M:%S')] Remote has changes, merging..."
     
-    if [ "$LOCAL_CHANGES" = true ]; then
-        # 本地和远程都有改动 → 需要 merge
-        # 先暂存本地改动
-        git stash push -m "local before merge $(date)" 2>/dev/null || true
-        
-        # 合并远程
-        if git merge origin/main --no-edit 2>/dev/null; then
-            info "Merge successful"
-        else
-            warn "Merge conflict, attempting auto-resolve..."
-            # 自动解决：skills 目录的文件取两方混合（保留ours）
-            # MEMORY.md 取 ours
+    if [ "$HAS_LOCAL" = true ]; then
+        git stash push -m "local $(date)" 2>/dev/null || true
+        if ! git merge origin/main --no-edit 2>/dev/null; then
+            # Conflict: keep ours for all
+            git checkout --ours sync.sh 2>/dev/null || true
             git checkout --ours memories/MEMORY.md 2>/dev/null || true
-            # 其他冲突文件：取ours（避免复杂冲突）
-            git diff --name-only --diff-filter=U | grep -v "^memories/" | while read f; do
-                git checkout --ours "$f" 2>/dev/null || true
-            done
             git add -A
-            git commit -m "Auto-resolve merge conflict $(date)" 2>/dev/null || true
+            git commit -m "Auto-resolve $(date)" 2>/dev/null || true
         fi
-        
-        # 恢复本地改动并重新合并
-        if git stash list | grep -q "local before merge"; then
-            git stash pop || true
-            # 再次合并（这次远程 ours，本地 theirs → 但 git 没有 --theirs 选项）
-            # 改用 rebase 策略
+        if git stash list | grep -q "local "; then
+            git stash pop 2>/dev/null || true
             git rebase origin/main 2>/dev/null || {
-                warn "Rebase conflict, using ours strategy..."
                 git rebase --abort 2>/dev/null || true
                 git merge origin/main --no-edit 2>/dev/null || true
             }
         fi
     else
-        # 只有远程有新改动 → 直接 merge
-        git merge origin/main --no-edit 2>/dev/null || {
-            warn "Fast-forward only merge..."
-            git merge --ff-only origin/main 2>/dev/null || {
-                git reset --hard origin/main
-            }
-        }
+        git merge origin/main --no-edit 2>/dev/null || git merge --ff-only origin/main 2>/dev/null || git reset --hard origin/main
     fi
-else
-    info "Remote up to date"
 fi
 
-# ===== 步骤 3: 提交本地变更并推送 =====
-if [ "$LOCAL_CHANGES" = true ]; then
-    info "Committing local changes..."
+# Push local
+if [ "$HAS_LOCAL" = true ]; then
     git commit -m "Sync $(date '+%Y-%m-%d %H:%M')" 2>/dev/null || true
-    
-    info "Pushing to remote..."
-    if git push origin main 2>&1; then
-        info "Push successful"
-    else
-        warn "Push rejected (remote advanced), pulling and retrying..."
+    if ! git push origin main 2>&1; then
+        echo "[$(date '+%H:%M:%S')] Push rejected, pulling..."
         git pull origin main --no-edit 2>/dev/null || true
-        git push origin main 2>&1 || error "Push failed after retry"
+        git push origin main 2>&1 || echo "[$(date '+%H:%M:%S')] Push failed"
     fi
 else
-    info "No local changes to push"
+    echo "[$(date '+%H:%M:%S')] No local changes"
 fi
 
-# ===== 步骤 4: 合并结果应用到本地 hermes =====
-info "Applying merged changes to local hermes..."
+# Apply merged result to hermes home
 cp "$SYNC_DIR/memories/MEMORY.md" "$HERMES_HOME/memories/MEMORY.md" 2>/dev/null || true
-
-# Skills: rsync 合并（不覆盖本地已有的，保留本地独有的）
 if [ -d "$SYNC_DIR/skills" ]; then
     rsync -a --ignore-existing "$SYNC_DIR/skills/" "$HERMES_HOME/skills/" 2>/dev/null || \
         cp -rn "$SYNC_DIR/skills/"* "$HERMES_HOME/skills/" 2>/dev/null || true
 fi
 
-info "Sync complete"
+echo "[$(date '+%H:%M:%S')] Sync complete"