diff --git a/.reasonix/desktop-topic-auto-title-meta.json b/.reasonix/desktop-topic-auto-title-meta.json
index 8a878b7..8f63b97 100644
--- a/.reasonix/desktop-topic-auto-title-meta.json
+++ b/.reasonix/desktop-topic-auto-title-meta.json
@@ -60,9 +60,9 @@
     "updatedAt": 1783674217586
   },
   "topic_20260710-090003_60717bd90da5ec68": {
-    "stage": 1,
-    "userTurns": 1,
-    "basisHash": "cd60850543a6985b",
-    "updatedAt": 1783700550206
+    "stage": 3,
+    "userTurns": 3,
+    "basisHash": "de6e56c00454cedd",
+    "updatedAt": 1784540365461
   }
 }
\ No newline at end of file
diff --git a/.reasonix/desktop-topic-titles.json b/.reasonix/desktop-topic-titles.json
index 8ac077d..54b12e9 100644
--- a/.reasonix/desktop-topic-titles.json
+++ b/.reasonix/desktop-topic-titles.json
@@ -50,5 +50,5 @@
   "topic_20260710-034724_3c6fb29d8d0a4119": "目录树中鼠标悬浮弹框dropmenu…",
   "topic_20260710-054543_5e7c427932aecd7b": "现在在markdown的编辑区域中…",
   "topic_20260710-063053_353d579222d3b70b": "这个应用里有一个全局搜索的功能，帮我…",
-  "topic_20260710-090003_60717bd90da5ec68": "当用户在markdownEditor…"
+  "topic_20260710-090003_60717bd90da5ec68": "D:\\code\\yurou\\src…"
 }
\ No newline at end of file
diff --git a/src/App.vue b/src/App.vue
index b6934d8..a6602d7 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -1,5 +1,5 @@
 <script setup lang="ts">
-import {computed, ref, watch, onMounted, onUnmounted, nextTick} from "vue";
+import {computed, ref, onMounted, onUnmounted, nextTick} from "vue";
 import {listen, type EventCallback, type EventName} from "@tauri-apps/api/event";
 import {convertFileSrc, invoke, isTauri} from "@tauri-apps/api/core";
 import {getCurrentWindow, type CloseRequestedEvent} from "@tauri-apps/api/window";
@@ -186,7 +186,7 @@ const WORKSPACE_REFRESH_DELAY_MS = 140;
 let workspaceRefreshTimer: ReturnType<typeof setTimeout> | null = null;
 let workspaceRefreshInFlight = false;
 let workspaceRefreshQueued = false;
-let syncInFlight = false;
+const syncInFlight = ref(false);
 let fileOpenRequest = 0;
 let saveNoticeTimer: ReturnType<typeof setTimeout> | null = null;
 let closeSaveInFlight = false;
@@ -247,7 +247,6 @@ const documentMode = ref<DocumentMode>(defaultDocumentMode.value);
 const appTheme = ref<AppTheme>(loadAppTheme());
 const renderSingleLineBreaks = ref(loadRenderSingleLineBreaks());
 const paragraphIndent = ref(loadParagraphIndent());
-const showMoreMenu = ref(false);
 const settingsRequest = ref(0);
 const settingsInitialPage = ref<"about" | "editor" | "sync">("about");
 const markdownEditorRef = ref<{ flushPendingChanges: () => string | undefined; scrollToLine: (line: number) => void } | null>(null);
@@ -398,23 +397,6 @@ function updateAppTheme(theme: AppTheme) {
   saveAppTheme(theme);
 }
 
-function handleExportPdf() {
-  showMoreMenu.value = false;
-  // TODO: implement PDF export
-}
-
-function closeMoreMenu() {
-  showMoreMenu.value = false;
-}
-
-watch(showMoreMenu, (val) => {
-  if (val) {
-    setTimeout(() => {
-      document.addEventListener("click", closeMoreMenu, {once: true});
-    }, 0);
-  }
-});
-
 onMounted(() => {
   applyAppTheme(appTheme.value);
   applyZoomCssVars();
@@ -503,7 +485,6 @@ function resetMarkdownEditorState() {
   saveStatus.value = "";
   showOutline.value = false;
   documentMode.value = defaultDocumentMode.value;
-  showMoreMenu.value = false;
   editorResetKey.value += 1;
 }
 
@@ -798,36 +779,41 @@ async function refreshCurrentOpenFileFromDisk() {
 }
 
 async function runConfiguredSync(trigger: "startup" | "save" | "manual") {
-  if (!folderPath.value || syncInFlight) return false;
+  if (!folderPath.value || syncInFlight.value) return false;
 
   const config = await loadSyncConfig();
   if (trigger !== "manual" && !shouldRunSync(config, trigger)) return false;
-  if (!config || config.provider === "none") return false;
+  if (!config || config.provider === "none") {
+    if (trigger === "manual") {
+      showSaveNotice("请先在设置中配置同步方式", "error");
+    }
+    return false;
+  }
 
   if (trigger !== "save") {
     const saved = await saveCurrentWorkspaceDocumentBeforeSwitch();
     if (!saved) return false;
   }
 
-  syncInFlight = true;
+  syncInFlight.value = true;
+  showSaveNotice("正在同步...", "success");
   try {
     const result = await invoke<SyncResult>("sync_now", {
       workspace: folderPath.value,
       config,
     });
     saveStatus.value = describeSyncResult(result);
-    setTimeout(() => {
-      saveStatus.value = "";
-    }, 3600);
+    showSaveNotice(describeSyncResult(result), "success");
     await refreshWorkspaceTree();
     await refreshCurrentOpenFileFromDisk();
     return true;
   } catch (e) {
     console.error("Sync failed:", e);
     saveStatus.value = `同步失败: ${e}`;
+    showSaveNotice(`同步失败: ${e}`, "error");
     return false;
   } finally {
-    syncInFlight = false;
+    syncInFlight.value = false;
   }
 }
 
@@ -915,7 +901,6 @@ function openMediaPreview(path: string, fileType: Extract<WorkspaceFileType, "im
   hasDraftDocument.value = false;
   saveStatus.value = "";
   showOutline.value = false;
-  showMoreMenu.value = false;
   editorResetKey.value += 1;
 }
 
@@ -1380,34 +1365,16 @@ async function handleSearchResultClick(filePath: string, lineNumber: number) {
               </button>
             </div>
 
-            <!-- More menu -->
-            <div v-if="isMarkdownDocument" class="relative">
-              <button
-                  class="toolbar-btn"
-                  title="更多"
-                  @click="showMoreMenu = !showMoreMenu"
-              >
-                <svg width="16" height="16" viewBox="0 0 16 16" fill="currentColor">
-                  <circle cx="3" cy="8" r="1.5"/>
-                  <circle cx="8" cy="8" r="1.5"/>
-                  <circle cx="13" cy="8" r="1.5"/>
-                </svg>
-              </button>
-              <div
-                  v-if="showMoreMenu"
-                  class="dropdown-menu"
-                  @click.stop
-              >
-                <button class="dropdown-item" @click="handleExportPdf">
-                  <svg width="14" height="14" viewBox="0 0 16 16" fill="none" stroke="currentColor" stroke-width="1.5">
-                    <path d="M5 1h6l4 4v9a1 1 0 01-1 1H2a1 1 0 01-1-1V2a1 1 0 011-1z"/>
-                    <path d="M5 1v4h4"/>
-                    <path d="M5 9h6M5 12h4"/>
-                  </svg>
-                  导出 PDF
-                </button>
-              </div>
-            </div>
+            <!-- Sync button -->
+            <button
+                v-if="folderPath"
+                class="toolbar-btn"
+                :title="syncInFlight ? '正在同步...' : '同步工作目录'"
+                :disabled="syncInFlight"
+                @click="runConfiguredSync('manual')"
+            >
+              <i :class="syncInFlight ? 'ri-loader-4-line sync-spinning' : 'ri-loop-left-line'"></i>
+            </button>
           </div>
 
           <!-- Window controls -->
@@ -1872,38 +1839,6 @@ async function handleSearchResultClick(filePath: string, lineNumber: number) {
   box-shadow: 0 1px 3px var(--app-shadow);
 }
 
-.dropdown-menu {
-  position: absolute;
-  right: 0;
-  top: 100%;
-  margin-top: 4px;
-  background: var(--app-surface);
-  border: 1px solid var(--app-border-strong);
-  border-radius: 8px;
-  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
-  min-width: 140px;
-  padding: 4px;
-  z-index: 50;
-}
-
-.dropdown-item {
-  display: flex;
-  align-items: center;
-  gap: 8px;
-  width: 100%;
-  padding: 6px 10px;
-  border-radius: 6px;
-  font-size: 13px;
-  color: var(--app-text);
-  background: transparent;
-  border: none;
-  cursor: pointer;
-  text-align: left;
-}
-
-.dropdown-item:hover {
-  background-color: var(--app-surface-muted);
-}
 
 .start-actions {
   background:
@@ -1934,4 +1869,15 @@ async function handleSearchResultClick(filePath: string, lineNumber: number) {
   text-decoration-color: currentColor;
   outline: none;
 }
+
+/* Sync button spin animation */
+@keyframes sync-spin {
+  from { transform: rotate(0deg); }
+  to { transform: rotate(360deg); }
+}
+
+.sync-spinning {
+  display: inline-block;
+  animation: sync-spin 1s linear infinite;
+}
 </style>
diff --git a/src/components/MarkdownEditor.vue b/src/components/MarkdownEditor.vue
index 4592c7a..548ba4d 100644
--- a/src/components/MarkdownEditor.vue
+++ b/src/components/MarkdownEditor.vue
@@ -1148,16 +1148,7 @@ defineExpose({
 .markdown-preview h3 { font-size: 1.125em; }
 .markdown-preview h4 { font-size: 1em; }
 
-.markdown-preview p { margin: 0; text-indent: var(--paragraph-indent, 0); }
-
-.markdown-preview:not(.markdown-mixed) > p + p,
-.markdown-mixed
-  > .markdown-block-paragraph
-  + .markdown-block-paragraph
-  > .markdown-block-preview
-  > p {
-  margin-top: 0;
-}
+.markdown-preview p { margin: 0.8em 0; text-indent: var(--paragraph-indent, 0); }
 
 .markdown-preview strong { font-weight: 700; color: var(--app-text-strong); }
 .markdown-preview em { font-style: italic; }