diff --git a/app/components/settings.tsx b/app/components/settings.tsx
index ca0a5a18796..b265d78ded2 100644
--- a/app/components/settings.tsx
+++ b/app/components/settings.tsx
@@ -357,6 +357,21 @@ function SyncConfigModal(props: { onClose?: () => void }) {
             </select>
           </ListItem>
 
+          <ListItem
+            title={Locale.Settings.Sync.Config.EnableAutoSync.Title}
+            subTitle={Locale.Settings.Sync.Config.EnableAutoSync.SubTitle}
+          >
+            <input
+              type="checkbox"
+              checked={syncStore.enableAutoSync}
+              onChange={(e) => {
+                syncStore.update(
+                  (config) => (config.enableAutoSync = e.currentTarget.checked),
+                );
+              }}
+            ></input>
+          </ListItem>
+
           <ListItem
             title={Locale.Settings.Sync.Config.Proxy.Title}
             subTitle={Locale.Settings.Sync.Config.Proxy.SubTitle}
diff --git a/app/locales/cn.ts b/app/locales/cn.ts
index 02b3a9d403a..edc087ef133 100644
--- a/app/locales/cn.ts
+++ b/app/locales/cn.ts
@@ -206,6 +206,10 @@ const cn = {
           Title: "同步类型",
           SubTitle: "选择喜爱的同步服务器",
         },
+        EnableAutoSync: {
+          Title: "自动同步设置",
+          SubTitle: "在回复完成或删除消息后自动同步数据",
+        },
         Proxy: {
           Title: "启用代理",
           SubTitle: "在浏览器中同步时，必须启用代理以避免跨域限制",
diff --git a/app/locales/en.ts b/app/locales/en.ts
index 6cca963a959..d19fc76a06a 100644
--- a/app/locales/en.ts
+++ b/app/locales/en.ts
@@ -209,6 +209,11 @@ const en: LocaleType = {
           Title: "Sync Type",
           SubTitle: "Choose your favorite sync service",
         },
+        EnableAutoSync: {
+          Title: "Auto Sync Settings",
+          SubTitle:
+            "Automatically synchronize data after replying or deleting messages",
+        },
         Proxy: {
           Title: "Enable CORS Proxy",
           SubTitle: "Enable a proxy to avoid cross-origin restrictions",
diff --git a/app/store/chat.ts b/app/store/chat.ts
index 10c95ee86e5..3dbda736246 100644
--- a/app/store/chat.ts
+++ b/app/store/chat.ts
@@ -30,6 +30,7 @@ import { nanoid } from "nanoid";
 import { createPersistStore } from "../utils/store";
 import { collectModelsWithDefaultModel } from "../utils/model";
 import { useAccessStore } from "./access";
+import { useSyncStore } from "./sync";
 import { isDalle3 } from "../utils";
 
 export type ChatMessage = RequestMessage & {
@@ -168,6 +169,15 @@ function fillTemplateWith(input: string, modelConfig: ModelConfig) {
   return output;
 }
 
+let cloudSyncTimer: any = null;
+function noticeCloudSync(): void {
+  const syncStore = useSyncStore.getState();
+  cloudSyncTimer && clearTimeout(cloudSyncTimer);
+  cloudSyncTimer = setTimeout(() => {
+    syncStore.autoSync();
+  }, 500);
+}
+
 const DEFAULT_CHAT_STATE = {
   sessions: [createEmptySession()],
   currentSessionIndex: 0,
@@ -297,12 +307,15 @@ export const useChatStore = createPersistStore(
           deletedSessionIds,
         }));
 
+        noticeCloudSync();
+
         showToast(
           Locale.Home.DeleteToast,
           {
             text: Locale.Home.Revert,
             onClick() {
               set(() => restoreState);
+              noticeCloudSync();
             },
           },
           5000,
@@ -330,6 +343,7 @@ export const useChatStore = createPersistStore(
         });
         get().updateStat(message);
         get().summarizeSession();
+        noticeCloudSync();
       },
 
       async onUserInput(content: string, attachImages?: string[]) {
diff --git a/app/store/sync.ts b/app/store/sync.ts
index d3582e3c935..e20f42bf596 100644
--- a/app/store/sync.ts
+++ b/app/store/sync.ts
@@ -26,6 +26,7 @@ export type SyncStore = GetStoreState<typeof useSyncStore>;
 
 const DEFAULT_SYNC_STATE = {
   provider: ProviderType.WebDAV,
+  enableAutoSync: true,
   useProxy: true,
   proxyUrl: corsPath(ApiPath.Cors),
 
@@ -91,6 +92,11 @@ export const useSyncStore = createPersistStore(
     },
 
     async sync() {
+      const enableAutoSync = get().enableAutoSync;
+      if (!enableAutoSync) {
+        return;
+      }
+
       const localState = getLocalAppState();
       const provider = get().provider;
       const config = get()[provider];
@@ -100,15 +106,17 @@ export const useSyncStore = createPersistStore(
         const remoteState = await client.get(config.username);
         if (!remoteState || remoteState === "") {
           await client.set(config.username, JSON.stringify(localState));
-          console.log("[Sync] Remote state is empty, using local state instead.");
-          return
+          console.log(
+            "[Sync] Remote state is empty, using local state instead.",
+          );
+          return;
         } else {
           const parsedRemoteState = JSON.parse(
             await client.get(config.username),
           ) as AppState;
           mergeAppState(localState, parsedRemoteState);
           setLocalAppState(localState);
-       } 
+        }
       } catch (e) {
         console.log("[Sync] failed to get remote state", e);
         throw e;
@@ -123,6 +131,14 @@ export const useSyncStore = createPersistStore(
       const client = this.getClient();
       return await client.check();
     },
+
+    async autoSync() {
+      const { lastSyncTime, provider } = get();
+      const syncStore = useSyncStore.getState();
+      if (lastSyncTime && syncStore.cloudSync()) {
+        syncStore.sync();
+      }
+    },
   }),
   {
     name: StoreKey.Sync,
diff --git a/app/utils/sync.ts b/app/utils/sync.ts
index 1c8f0a11bf9..0943260abc2 100644
--- a/app/utils/sync.ts
+++ b/app/utils/sync.ts
@@ -130,10 +130,10 @@ const MergeStates: StateMerger = {
     });
 
     // sort local sessions with date field in desc order
-    localState.sessions.sort(
-      (a, b) =>
-        new Date(b.lastUpdate).getTime() - new Date(a.lastUpdate).getTime(),
-    );
+    // localState.sessions.sort(
+    //   (a, b) =>
+    //     new Date(b.lastUpdate).getTime() - new Date(a.lastUpdate).getTime(),
+    // );
 
     const deletedSessionIds = {
       ...remoteDeletedSessionIds,