防止极端情况下消息串扰问题

im-uniapp/pages/chat/chat-box.vue

@@ -309,9 +309,11 @@ export default {
 					this.isReceipt = false;
 					// 填充对方id
 					this.fillTargetId(msgInfo, this.chat.targetId);
+					// 防止发送期间用户切换会话导致串扰
+					const chat = this.chat;
 					this.sendMessageRequest(msgInfo).then((m) => {
 						m.selfSend = true;
-						this.chatStore.insertMessage(m, this.chat);
+						this.chatStore.insertMessage(m, chat);
 						// 会话置顶
 						this.moveChatToTop();
 					}).finally(() => {

im-web/src/components/chat/ChatBox.vue

@@ -456,13 +456,12 @@ export default {
 					msgInfo.receipt = this.isReceipt;
 				}
 				this.lockMessage = true;
+				const chat = this.chat;
 				this.sendMessageRequest(msgInfo).then((m) => {
 					m.selfSend = true;
-					this.chatStore.insertMessage(m, this.chat);
-					// 会话置顶
+					this.chatStore.insertMessage(m, chat);
 					this.moveChatToTop();
 				}).finally(() => {
-					// 解除锁定
 					this.scrollToBottom();
 					this.isReceipt = false;
 					resolve();