diff --git a/pages/Chat/Chat.css b/pages/Chat/Chat.css
index 8ef03c6..1f099f8 100644
--- a/pages/Chat/Chat.css
+++ b/pages/Chat/Chat.css
@@ -427,6 +427,11 @@
 	border-bottom-right-radius: 8rpx;
 }
 
+/* AI 回复气泡满屏 */
+.chat-content-assistant {
+	max-width: 100%;
+}
+
 .chat-content:not(.chat-content-user) {
 	border-bottom-left-radius: 8rpx;
 }
diff --git a/pages/Chat/Chat.vue b/pages/Chat/Chat.vue
index 8e6fc19..5e06ed8 100644
--- a/pages/Chat/Chat.vue
+++ b/pages/Chat/Chat.vue
@@ -117,7 +117,7 @@
 							<!-- <view v-if="message.role ==='assistant'" class="iconfont icon-Robot"></view> -->
 							<!-- <view v-if="message.role ==='user'" class="iconfont icon-yonghuziliao"></view> -->
 					</view>
-					<view class="chat-content" :class="{'chat-content-user':message.role==='user'}"
+					<view class="chat-content" :class="{'chat-content-user':message.role==='user', 'chat-content-assistant':message.role==='assistant'}"
 						@click="showMessageDetail(message)"
 						v-if="message.content && String(message.content).trim() !== ''">
 						<!-- 文本内容 -->
diff --git a/unpackage/dist/dev/app-plus/app-service.js b/unpackage/dist/dev/app-plus/app-service.js
index b53e411..d65f08b 100644
--- a/unpackage/dist/dev/app-plus/app-service.js
+++ b/unpackage/dist/dev/app-plus/app-service.js
@@ -6622,7 +6622,7 @@ This will fail in production.`);
                           )) : vue.createCommentVNode("v-if", true),
                           message.content && String(message.content).trim() !== "" ? (vue.openBlock(), vue.createElementBlock("view", {
                             key: 1,
-                            class: vue.normalizeClass(["chat-content", { "chat-content-user": message.role === "user" }]),
+                            class: vue.normalizeClass(["chat-content", { "chat-content-user": message.role === "user", "chat-content-assistant": message.role === "assistant" }]),
                             onClick: ($event) => $setup.showMessageDetail(message)
                           }, [
                             $setup.parseFileInfo(message.content).textContent ? (vue.openBlock(), vue.createElementBlock("view", {
diff --git a/unpackage/dist/dev/app-plus/pages/Chat/Chat.css b/unpackage/dist/dev/app-plus/pages/Chat/Chat.css
index 42ab1e5..2c853fe 100644
--- a/unpackage/dist/dev/app-plus/pages/Chat/Chat.css
+++ b/unpackage/dist/dev/app-plus/pages/Chat/Chat.css
@@ -1283,6 +1283,10 @@ to { opacity: 1; transform: translateY(0);
 	box-shadow: 0 0.125rem 0.375rem rgba(170, 170, 255, 0.3);
 	border-bottom-right-radius: 0.25rem;
 }
+/* AI 回复气泡满屏 */
+.chat-content-assistant[data-v-5eb7b895] {
+	max-width: 100%;
+}
 .chat-content[data-v-5eb7b895]:not(.chat-content-user) {
 	border-bottom-left-radius: 0.25rem;
 }