diff --git a/urbanLifelineWeb/packages/workcase_wechat/pages/chatRoom/chatRoom/chatRoom.scss b/urbanLifelineWeb/packages/workcase_wechat/pages/chatRoom/chatRoom/chatRoom.scss
index 4883c35f..0d6a88d7 100644
--- a/urbanLifelineWeb/packages/workcase_wechat/pages/chatRoom/chatRoom/chatRoom.scss
+++ b/urbanLifelineWeb/packages/workcase_wechat/pages/chatRoom/chatRoom/chatRoom.scss
@@ -329,6 +329,7 @@
     flex-direction: row;
     align-items: flex-start;
     gap: 16rpx;
+    width: 100%;
 }
 
 .other-row {
@@ -363,12 +364,13 @@
 .message-content {
     display: flex;
     flex-direction: column;
-    max-width: 480rpx;
+    max-width: 70%;
+    min-width: 0;  // 允许flex子元素收缩
 }
 
 // 会议卡片需要更宽的空间
 .message-content.meeting-card-wrapper {
-    max-width: 600rpx;
+    max-width: 80%;
 }
 
 .self-row .message-content {
@@ -382,11 +384,13 @@
 }
 
 .bubble {
-    max-width: 480rpx;
+    max-width: 100%;
     padding: 18rpx 20rpx;
     border-radius: 18rpx;
     font-size: 28rpx;
     line-height: 1.6;
+    word-break: break-all;  // 长单词/URL换行
+    overflow-wrap: break-word;
 }
 
 .other-bubble {
@@ -403,6 +407,15 @@
     font-size: 28rpx;
     line-height: 1.6;
     white-space: pre-wrap;
+    word-break: break-all;
+    display: block;
+}
+
+.message-rich-text {
+    font-size: 28rpx;
+    line-height: 1.6;
+    word-break: break-all;
+    overflow-wrap: break-word;
 }
 
 .message-time {
diff --git a/urbanLifelineWeb/packages/workcase_wechat/pages/chatRoom/chatRoom/chatRoom.uvue b/urbanLifelineWeb/packages/workcase_wechat/pages/chatRoom/chatRoom/chatRoom.uvue
index 2db2282f..6c163db5 100644
--- a/urbanLifelineWeb/packages/workcase_wechat/pages/chatRoom/chatRoom/chatRoom.uvue
+++ b/urbanLifelineWeb/packages/workcase_wechat/pages/chatRoom/chatRoom/chatRoom.uvue
@@ -470,10 +470,10 @@ function renderMarkdown(text: string): string {
 	html = html.replace(/(?<!\*)\*([^\*]+)\*(?!\*)/g, '<em>$1</em>')
 
 	// 处理行内代码（`语法）
-	html = html.replace(/`([^`]+)`/g, '<code style="background-color:#f5f5f5;padding:2px 6px;border-radius:3px;font-family:monospace;color:#e53e3e;">$1</code>')
+	html = html.replace(/`([^`]+)`/g, '<code style="background-color:#f5f5f5;padding:2px 6px;border-radius:3px;font-family:monospace;color:#e53e3e;word-break:break-all;">$1</code>')
 
 	// 处理链接（[text](url)语法）
-	html = html.replace(/\[([^\]]+)\]\(([^)]+)\)/g, '<a href="$2" style="color:#0055AA;text-decoration:underline;">$1</a>')
+	html = html.replace(/\[([^\]]+)\]\(([^)]+)\)/g, '<a href="$2" style="color:#0055AA;text-decoration:underline;word-break:break-all;">$1</a>')
 
 	// 处理标题（# ## ###等）
 	html = html.replace(/^### (.+)$/gm, '<div style="font-size:16px;font-weight:600;margin:8px 0 4px;">$1</div>')
@@ -486,7 +486,8 @@ function renderMarkdown(text: string): string {
 	// 处理换行
 	html = html.replace(/\n/g, '<br/>')
 
-	return html
+	// 包裹在带有换行样式的容器中
+	return `<div style="word-break:break-all;overflow-wrap:break-word;white-space:pre-wrap;">${html}</div>`
 }
 
 // 发送消息
diff --git a/urbanLifelineWeb/packages/workcase_wechat/pages/index/index.scss b/urbanLifelineWeb/packages/workcase_wechat/pages/index/index.scss
index f80209b4..0cc4288c 100644
--- a/urbanLifelineWeb/packages/workcase_wechat/pages/index/index.scss
+++ b/urbanLifelineWeb/packages/workcase_wechat/pages/index/index.scss
@@ -337,6 +337,17 @@
     word-wrap: break-word;
 }
 
+// rich-text 组件样式（用于 Markdown 渲染）
+.message-rich-text {
+    font-size: 14px;
+    line-height: 1.5;
+    word-wrap: break-word;
+    word-break: break-word;
+    overflow-wrap: break-word;
+    white-space: normal;
+    max-width: 100%;
+}
+
 .message-time {
     font-size: 11px;
     color: #999999;
diff --git a/urbanLifelineWeb/packages/workcase_wechat/pages/index/index.uvue b/urbanLifelineWeb/packages/workcase_wechat/pages/index/index.uvue
index 025371c5..6a90f8bf 100644
--- a/urbanLifelineWeb/packages/workcase_wechat/pages/index/index.uvue
+++ b/urbanLifelineWeb/packages/workcase_wechat/pages/index/index.uvue
@@ -599,7 +599,7 @@
 		await callAIChat(question)
 	}
 
-	// Markdown渲染函数（返回富文本节点）
+	// Markdown渲染函数(返回富文本节点)
 	function renderMarkdown(text : string) : string {
 		if (!text) return ''
 
@@ -609,30 +609,31 @@
 			.replace(/</g, '&lt;')
 			.replace(/>/g, '&gt;')
 
-		// 处理粗体（**语法）
+		// 处理粗体(**语法)
 		html = html.replace(/\*\*([^\*]+)\*\*/g, '<strong>$1</strong>')
 
-		// 处理斜体（*语法，但要避免和粗体冲突）
+		// 处理斜体(*语法,但要避免和粗体冲突)
 		html = html.replace(/(?<!\*)\*([^\*]+)\*(?!\*)/g, '<em>$1</em>')
 
-		// 处理行内代码（`语法）
-		html = html.replace(/`([^`]+)`/g, '<code style="background-color:#f5f5f5;padding:2px 6px;border-radius:3px;font-family:monospace;color:#e53e3e;">$1</code>')
+		// 处理行内代码(`语法)
+		html = html.replace(/`([^`]+)`/g, '<code style="background-color:#f5f5f5;padding:2px 6px;border-radius:3px;font-family:monospace;color:#e53e3e;word-break:break-all;">$1</code>')
 
-		// 处理链接（[text](url)语法）
-		html = html.replace(/\[([^\]]+)\]\(([^)]+)\)/g, '<a href="$2" style="color:#0055AA;text-decoration:underline;">$1</a>')
+		// 处理链接([text](url)语法)
+		html = html.replace(/\[([^\]]+)\]\(([^)]+)\)/g, '<a href="$2" style="color:#0055AA;text-decoration:underline;word-break:break-all;overflow-wrap:break-word;">$1</a>')
 
-		// 处理标题（# ## ###等）
-		html = html.replace(/^### (.+)$/gm, '<div style="font-size:16px;font-weight:600;margin:8px 0 4px;">$1</div>')
-		html = html.replace(/^## (.+)$/gm, '<div style="font-size:18px;font-weight:600;margin:10px 0 6px;">$1</div>')
-		html = html.replace(/^# (.+)$/gm, '<div style="font-size:20px;font-weight:700;margin:12px 0 8px;">$1</div>')
+		// 处理标题(# ## ###等)
+		html = html.replace(/^### (.+)$/gm, '<div style="font-size:16px;font-weight:600;margin:8px 0 4px;word-break:break-word;">$1</div>')
+		html = html.replace(/^## (.+)$/gm, '<div style="font-size:18px;font-weight:600;margin:10px 0 6px;word-break:break-word;">$1</div>')
+		html = html.replace(/^# (.+)$/gm, '<div style="font-size:20px;font-weight:700;margin:12px 0 8px;word-break:break-word;">$1</div>')
 
-		// 处理无序列表（- 或 * 开头）
-		html = html.replace(/^[*-] (.+)$/gm, '<div style="margin-left:16px;">• $1</div>')
+		// 处理无序列表(- 或 * 开头)
+		html = html.replace(/^[*-] (.+)$/gm, '<div style="margin-left:16px;word-break:break-word;">• $1</div>')
 
 		// 处理换行
 		html = html.replace(/\n/g, '<br/>')
 
-		return html
+		// 包裹在一个具有换行样式的容器中
+		return `<div style="word-break:break-word;overflow-wrap:break-word;white-space:normal;max-width:100%;">${html}</div>`
 	}
 
 	// 显示上传选项