diff --git a/src/App.vue b/src/App.vue
index d41ca20..b80ad57 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -225,9 +225,16 @@ const handleTimelineWheel = (e: WheelEvent) => {
 };
 
 const updateSettings = async () => {
-  await store.set("mergeScreens", mergeScreens.value); await store.set("retainDays", retainDays.value);
-  await store.set("captureInterval", captureInterval.value); await store.set("timelineZoom", timelineZoom.value);
-  await store.save(); await invoke("update_interval", { seconds: captureInterval.value });
+  await store.set("savePath", savePath.value);
+  await store.set("dbPath", dbPath.value);
+  await store.set("mergeScreens", mergeScreens.value); 
+  await store.set("retainDays", retainDays.value);
+  await store.set("captureInterval", captureInterval.value); 
+  await store.set("timelineZoom", timelineZoom.value);
+  await store.save();
+  
+  await invoke("update_db_path", { path: dbPath.value });
+  await invoke("update_interval", { seconds: captureInterval.value });
 };
 
 const togglePauseState = async () => { isPaused.value = await invoke("toggle_pause"); };
@@ -357,7 +364,25 @@ const resetTagForm = () => { newTagName.value = ""; newTagParent.value = null; n
       <div class="bg-white rounded-[40px] shadow-2xl w-full max-w-md overflow-hidden flex flex-col">
         <div class="p-8 border-b flex justify-between items-center"><h2 class="text-2xl font-bold">设置</h2><button @click="isSettingsOpen = false"><X :size="24" /></button></div>
         <div class="p-10 space-y-8">
-          <div class="space-y-3"><label class="text-xs font-bold text-[#86868B]">存储位置</label><div class="flex gap-2"><input type="text" readonly :value="savePath" class="flex-1 bg-[#F2F2F7] rounded-xl px-4 py-2 text-sm outline-none" /><button @click="selectFolder" class="bg-white border p-2 rounded-xl"><FolderOpen :size="18" /></button></div></div>
+          <div class="space-y-3">
+            <label class="text-xs font-bold text-[#86868B]">截图保存位置</label>
+            <div class="flex gap-2">
+              <input type="text" readonly :value="savePath" class="flex-1 bg-[#F2F2F7] rounded-xl px-4 py-2 text-sm outline-none" />
+              <button @click="selectFolder(); updateSettings()" class="bg-white border p-2 rounded-xl hover:border-[#007AFF] transition-all"><FolderOpen :size="18" /></button>
+            </div>
+          </div>
+
+          <div class="space-y-3">
+            <label class="text-xs font-bold text-[#86868B]">SQLite 数据库文件</label>
+            <div class="flex gap-2">
+              <input type="text" readonly :value="dbPath" class="flex-1 bg-[#F2F2F7] rounded-xl px-4 py-2 text-sm outline-none" />
+              <div class="flex gap-1">
+                <button @click="selectDBFile().then(updateSettings)" title="打开现有" class="bg-white border p-2 rounded-xl hover:border-[#007AFF] transition-all"><FolderOpen :size="18" /></button>
+                <button @click="createDBFile().then(updateSettings)" title="新建" class="bg-white border p-2 rounded-xl hover:border-[#007AFF] transition-all"><Plus :size="18" /></button>
+              </div>
+            </div>
+          </div>
+
           <div class="flex items-center justify-between p-4 bg-[#F2F2F7] rounded-3xl"><div class="space-y-0.5"><div class="font-bold">多屏合并</div><div class="text-[10px] text-[#86868B]">拼接所有屏幕</div></div><button @click="mergeScreens = !mergeScreens; updateSettings()" class="w-12 h-6 rounded-full relative transition-all" :class="mergeScreens ? 'bg-[#34C759]' : 'bg-[#E5E5E7]'"><div class="absolute top-1 left-1 w-4 h-4 bg-white rounded-full transition-all" :style="{ transform: mergeScreens ? 'translateX(24px)' : 'translateX(0)' }"></div></button></div>
           <div class="space-y-2"><div class="flex justify-between"><label class="text-xs font-bold">截图间隔</label><span class="text-xs font-bold text-[#007AFF]">{{ captureInterval }}s</span></div><input type="range" v-model.number="captureInterval" min="10" max="600" step="10" @change="updateSettings" class="w-full h-1 bg-[#E5E5E7] accent-[#007AFF]" /></div>
           <div class="space-y-2"><div class="flex justify-between"><label class="text-xs font-bold">清理策略</label><span class="text-xs font-bold text-[#007AFF]">{{ retainDays }}天</span></div><input type="range" v-model.number="retainDays" min="1" max="180" @change="updateSettings" class="w-full h-1 bg-[#E5E5E7] accent-[#007AFF]" /></div>