diff --git a/README.md b/README.md
index 6190e26..a3cae1b 100644
--- a/README.md
+++ b/README.md
@@ -47,7 +47,8 @@ https://www.yuque.com/u1475064/imk5n2/qtezcg32q1d0dr29#SbvXq
 
 
 #### 付费服务
-商业版: https://www.yuque.com/u1475064/imk5n2/qtezcg32q1d0dr29
+商业版授权: https://www.yuque.com/u1475064/imk5n2/qtezcg32q1d0dr29
+付费代部署: https://www.yuque.com/u1475064/imk5n2/qgq5cvgmavallqnl
 
 #### 项目结构
 | 模块          | 功能                               |
diff --git a/im-platform/src/main/java/com/bx/implatform/service/impl/GroupMessageServiceImpl.java b/im-platform/src/main/java/com/bx/implatform/service/impl/GroupMessageServiceImpl.java
index 0dde1fe..5ea3e1f 100644
--- a/im-platform/src/main/java/com/bx/implatform/service/impl/GroupMessageServiceImpl.java
+++ b/im-platform/src/main/java/com/bx/implatform/service/impl/GroupMessageServiceImpl.java
@@ -145,22 +145,22 @@ public class GroupMessageServiceImpl extends ServiceImpl<GroupMessageMapper, Gro
     @Override
     public List<GroupMessageVO> loadOffineMessage(Long minId) {
         UserSession session = SessionContext.getSession();
+        List<GroupMessage> messages = new ArrayList<>();
         // 查询用户加入的群组
         List<GroupMember> members = groupMemberService.findByUserId(session.getUserId());
         Map<Long, GroupMember> groupMemberMap = CollStreamUtil.toIdentityMap(members, GroupMember::getGroupId);
         Set<Long> groupIds = groupMemberMap.keySet();
-        if (groupIds.isEmpty()) {
-            return Collections.EMPTY_LIST;
-        }
         // 只能拉取最近30天的消息
         Date minDate = DateUtils.addDays(new Date(), Math.toIntExact(-Constant.MAX_OFFLINE_MESSAGE_DAYS));
-        LambdaQueryWrapper<GroupMessage> wrapper = Wrappers.lambdaQuery();
-        wrapper.gt(GroupMessage::getId, minId);
-        wrapper.gt(GroupMessage::getSendTime, minDate);
-        wrapper.in(GroupMessage::getGroupId, groupIds);
-        wrapper.orderByDesc(GroupMessage::getId);
-        wrapper.last("limit 50000");
-        List<GroupMessage> messages = this.list(wrapper);
+        if(!groupIds.isEmpty()) {
+            LambdaQueryWrapper<GroupMessage> wrapper = Wrappers.lambdaQuery();
+            wrapper.gt(GroupMessage::getId, minId);
+            wrapper.gt(GroupMessage::getSendTime, minDate);
+            wrapper.in(GroupMessage::getGroupId, groupIds);
+            wrapper.orderByDesc(GroupMessage::getId);
+            wrapper.last("limit 50000");
+            messages = this.list(wrapper);
+        }
         // 查询退群前的消息
         Date minQuitTime = minDate;
         if (minId > 0) {
@@ -172,7 +172,7 @@ public class GroupMessageServiceImpl extends ServiceImpl<GroupMessageMapper, Gro
         }
         List<GroupMember> quitMembers = groupMemberService.findQuitMembers(session.getUserId(), minQuitTime);
         for (GroupMember quitMember : quitMembers) {
-            wrapper = Wrappers.lambdaQuery();
+            LambdaQueryWrapper<GroupMessage> wrapper = Wrappers.lambdaQuery();
             wrapper.gt(GroupMessage::getId, minId);
             wrapper.between(GroupMessage::getSendTime, minDate, quitMember.getQuitTime());
             wrapper.eq(GroupMessage::getGroupId, quitMember.getGroupId());
diff --git a/im-uniapp/components/chat-message-item/chat-message-item.vue b/im-uniapp/components/chat-message-item/chat-message-item.vue
index dbcecc3..1574785 100644
--- a/im-uniapp/components/chat-message-item/chat-message-item.vue
+++ b/im-uniapp/components/chat-message-item/chat-message-item.vue
@@ -30,7 +30,7 @@
 									<image class="send-image" :style="imageStyle" mode="aspectFill"
 										:src="contentData.thumbUrl" lazy-load="true" @click.stop="onShowFullImage()">
 									</image>
-									<loading v-if="sending"></loading>
+									<custom-loading v-if="sending"></custom-loading>
 								</view>
 							</long-press-menu>
 						</view>
@@ -43,7 +43,7 @@
 										<view class="file-size">{{ fileSize }}</view>
 									</view>
 									<view class="file-icon iconfont icon-file"></view>
-									<loading v-if="sending"></loading>
+									<custom-loading v-if="sending"></custom-loading>
 								</view>
 							</long-press-menu>
 						</view>
@@ -66,7 +66,7 @@
 							</view>
 						</long-press-menu>
 						<view v-if="sending&&(isTextMessage||isAudioMessage)" class="sending">
-							<loading :size="40" icon-color="#656adf" :mask="false"></loading>
+							<custom-loading :size="40" icon-color="#656adf" :mask="false"></custom-loading>
 						</view>
 						<view v-else-if="sendFail" @click="onSendFail"
 							class="send-fail iconfont icon-warning-circle-fill"></view>
diff --git a/im-uniapp/components/loading/loading.vue b/im-uniapp/components/custom-loading/custom-loading.vue
similarity index 96%
rename from im-uniapp/components/loading/loading.vue
rename to im-uniapp/components/custom-loading/custom-loading.vue
index b0f0c98..5845661 100644
--- a/im-uniapp/components/loading/loading.vue
+++ b/im-uniapp/components/custom-loading/custom-loading.vue
@@ -7,6 +7,7 @@
 
 <script>
 export default {
+	name: 'custom-loading',
 	data() {
 		return {}
 	},
@@ -68,4 +69,4 @@ export default {
 		transform: rotate(360deg)
 	}
 }
-</style>
\ No newline at end of file
+</style>
diff --git a/im-uniapp/pages/chat/chat.vue b/im-uniapp/pages/chat/chat.vue
index a8df83e..957d894 100644
--- a/im-uniapp/pages/chat/chat.vue
+++ b/im-uniapp/pages/chat/chat.vue
@@ -2,14 +2,14 @@
 	<view class="tab-page">
 		<nav-bar search @search="onSearch()">消息</nav-bar>
 		<view v-if="loading" class="chat-loading">
-			<loading :size="50" :mask="false">
+			<custom-loading :size="50" :mask="false">
 				<view>消息接收中...</view>
-			</loading>
+			</custom-loading>
 		</view>
 		<view v-else-if="initializing" class="chat-loading">
-			<loading :size="50" :mask="false">
+			<custom-loading :size="50" :mask="false">
 				<view>正在初始化...</view>
-			</loading>
+			</custom-loading>
 		</view>
 		<view class="nav-bar" v-if="showSearch">
 			<view class="nav-search">
diff --git a/im-uniapp/store/chatStore.js b/im-uniapp/store/chatStore.js
index 56d8adc..ac47518 100644
--- a/im-uniapp/store/chatStore.js
+++ b/im-uniapp/store/chatStore.js
@@ -355,14 +355,20 @@ export default defineStore('chatStore', {
 			// 排序
 			chats.sort((chat1, chat2) => chat2.lastSendTime - chat1.lastSendTime);
 			// #ifndef APP-PLUS
-			/**
-			 * 由于h5和小程序的stroge只有5m,大约只能存储2w条消息，所以可能需要清理部分历史消息
-			 */
-			this.fliterMessage(chats, 5000, 1000);
+			// h5和小程序的stroge一般只有5m,大约只能存储1w条消息，所以可能需要清理部分历史消息
+			const storageInfo = uni.getStorageInfoSync();
+			console.log(`storage缓存: ${storageInfo.currentSize} KB`)
+			// 空间不足(大于3mb)时，清理这个设备登录过其他账户的消息
+			if (storageInfo && storageInfo.currentSize > 3000) {
+				console.log("storage空间不足,清理其他用户缓存..")
+				this.cleanOtherUserCache();
+			}
+			// 保证消息总数量不超过3000条，每个会话不超过500条
+			this.fliterMessage(chats, 3000, 500);
 			// #endif
 			// 记录热数据索引位置
 			chats.forEach(chat => {
-				if(!chat.hotMinIdx || chat.hotMinIdx != chat.messages.length){
+				if (!chat.hotMinIdx || chat.hotMinIdx != chat.messages.length) {
 					chat.hotMinIdx = chat.messages.length;
 					chat.stored = false;
 				}
@@ -388,6 +394,21 @@ export default defineStore('chatStore', {
 			if (remainTotalSize > maxTotalSize) {
 				this.fliterMessage(chats, maxTotalSize, maxPerChatSize / 2);
 			}
+			console.log("消息留存总数量:", remainTotalSize)
+			console.log("单会话消息数量:", maxPerChatSize)
+		},
+		cleanOtherUserCache() {
+			const userStore = useUserStore();
+			const userId = userStore.userInfo.id;
+			const prefix = "chats-app-" + userId;
+			const res = uni.getStorageInfoSync();
+			res.keys.forEach(key => {
+				// 清理其他用户的消息
+				if (key.startsWith("chats-app") && !key.startsWith(prefix)) {
+					uni.removeStorageSync(key);
+					console.log("清理key:", key)
+				}
+			})
 		},
 		saveToStorage(withColdMessage) {
 			// 加载中不保存，防止卡顿