diff --git a/src/layout/components/Aichat/ChatPopup.vue b/src/layout/components/Aichat/ChatPopup.vue
index d305626..f35bae0 100644
--- a/src/layout/components/Aichat/ChatPopup.vue
+++ b/src/layout/components/Aichat/ChatPopup.vue
@@ -141,7 +141,10 @@ export default {
       showSingleReference: {},
 
       // Markdown 渲染器
-      md: md
+      md: md,
+      
+      // 组件销毁标志
+      isDestroyed: false
     }
   },
   computed: {
@@ -160,6 +163,23 @@ export default {
       return this.name || localStorage.getItem('userName') || '用户'
     }
   },
+  watch: {
+    // 监听聊天框显示状态变化
+    '$parent.showAI'(newVal, oldVal) {
+      if (newVal && !oldVal && !this.isDestroyed) {
+        // 只在从关闭状态变为打开状态时，且组件未销毁时，确保滚动到底部
+        this.$nextTick(() => {
+          if (!this.isDestroyed) {
+            setTimeout(() => {
+              if (!this.isDestroyed) {
+                this.scrollToBottom(false)
+              }
+            }, 100)
+          }
+        })
+      }
+    }
+  },
   mounted() {
     console.log(this.userInfo)
     // 使用store中的userInfo.userName作为学号
@@ -168,12 +188,31 @@ export default {
       this.userStuNo = this.userInfo.userName
     }
     console.log('当前用户学号:', this.user)
-    this.initChat()
+    
+    // 确保DOM完全渲染后再初始化聊天
+    this.$nextTick(() => {
+      setTimeout(async () => {
+        await this.initChat()
+        // 初始化完成后立即滚动到底部
+        this.$nextTick(() => {
+          this.scrollToBottom(false)
+        })
+      }, 50)
+    })
   },
   beforeDestroy() {
+    // 设置销毁标志
+    this.isDestroyed = true
+    
+    // 清理定时器
     if (this.loadDebounceTimer) {
       clearTimeout(this.loadDebounceTimer)
     }
+    
+    // 取消正在进行的请求
+    if (this.currentCancel) {
+      this.currentCancel()
+    }
   },
   methods: {
     /**
@@ -254,8 +293,8 @@ export default {
         // 滚动到底部
         this.$nextTick(() => {
           setTimeout(() => {
-            this.scrollToBottom(true) // 使用平滑滚动
-          }, 200)
+            this.scrollToBottom(false) // 初始化时直接定位到底部，不使用平滑滚动
+          }, 100) // 减少延迟时间
         })
 
       } catch (error) {
@@ -491,23 +530,37 @@ export default {
     scrollToBottom(smooth = false) {
       this.$nextTick(() => {
         if (this.$refs.messageList) {
-          const targetTop = this.$refs.messageList.scrollHeight
+          const messageList = this.$refs.messageList
           
-          if (smooth && this.$refs.messageList.scrollTo && !this.isLoadingHistory) {
+          if (smooth && messageList.scrollTo && !this.isLoadingHistory) {
             // 只在非加载状态时使用平滑滚动
-            this.$refs.messageList.scrollTo({
-              top: targetTop,
+            messageList.scrollTo({
+              top: messageList.scrollHeight,
               behavior: 'smooth'
             })
           } else {
-            // 直接设置滚动位置
-            this.$refs.messageList.scrollTop = targetTop
+            // 强制立即滚动到底部
+            const forceScrollToBottom = () => {
+              messageList.scrollTop = messageList.scrollHeight
+            }
+            
+            // 立即执行一次
+            forceScrollToBottom()
+            
+            // 再次确保滚动到底部
+            this.$nextTick(() => {
+              forceScrollToBottom()
+              // 第三次确保
+              setTimeout(() => {
+                forceScrollToBottom()
+              }, 10)
+            })
           }
           
           // 延迟更新lastScrollTop，避免干扰滚动检测
           setTimeout(() => {
-            this.lastScrollTop = targetTop
-          }, 100)
+            this.lastScrollTop = this.$refs.messageList.scrollHeight
+          }, smooth ? 300 : 50) // 非平滑滚动时更快更新
         }
       })
     },
@@ -689,17 +742,21 @@ export default {
 /* 聊天弹窗容器 */
 .chat-popup {
   position: fixed;
-  bottom: 80px;
-  right: 20px;
+  bottom: 45px;
+  right: 60px;
   width: 400px;
   height: 600px;
   background: #fff;
-  border-radius: 12px;
-  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
+  border-radius: 16px;
+  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15), 0 8px 32px rgba(0, 0, 0, 0.1);
   display: flex;
   flex-direction: column;
   z-index: 1000;
   overflow: hidden;
+  backdrop-filter: blur(10px);
+  border: 1px solid rgba(255, 255, 255, 0.2);
+  transform-origin: bottom right;
+  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
 }
 
 /* 导航栏 */
@@ -710,7 +767,29 @@ export default {
   padding: 15px 20px;
   background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
   color: white;
-  border-radius: 12px 12px 0 0;
+  border-radius: 16px 16px 0 0;
+  position: relative;
+  overflow: hidden;
+}
+
+.navbar::before {
+  content: '';
+  position: absolute;
+  top: 0;
+  left: -100%;
+  width: 100%;
+  height: 100%;
+  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
+  animation: shimmer 3s infinite;
+}
+
+@keyframes shimmer {
+  0% {
+    left: -100%;
+  }
+  100% {
+    left: 100%;
+  }
 }
 
 .nav-title {
@@ -721,17 +800,25 @@ export default {
 .nav-close {
   font-size: 24px;
   cursor: pointer;
-  width: 30px;
-  height: 30px;
+  width: 40px;
+  height: 40px;
   display: flex;
   align-items: center;
   justify-content: center;
   border-radius: 50%;
-  transition: background-color 0.2s;
+  transition: all 0.2s ease;
+  position: relative;
+  z-index: 10;
 }
 
 .nav-close:hover {
   background-color: rgba(255, 255, 255, 0.2);
+  transform: scale(1.1);
+}
+
+.nav-close:active {
+  transform: scale(0.95);
+  background-color: rgba(255, 255, 255, 0.3);
 }
 
 /* 消息列表 */
@@ -740,7 +827,8 @@ export default {
   overflow-y: auto;
   padding: 20px;
   background: #f8f9fa;
-  /* 移除scroll-behavior，避免与手动滚动控制冲突 */
+  /* 强制禁用平滑滚动，确保立即定位 */
+  scroll-behavior: auto !important;
   /* 优化滚动条样式 */
   scrollbar-width: thin;
   scrollbar-color: #c1c1c1 transparent;
@@ -817,6 +905,23 @@ export default {
 /* 消息项 */
 .message-item {
   margin-bottom: 20px;
+  animation: messageSlideIn 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
+  transform-origin: left center;
+}
+
+@keyframes messageSlideIn {
+  0% {
+    opacity: 0;
+    transform: translateY(20px) scale(0.95);
+  }
+  60% {
+    opacity: 0.8;
+    transform: translateY(-2px) scale(1.01);
+  }
+  100% {
+    opacity: 1;
+    transform: translateY(0) scale(1);
+  }
 }
 
 /* 用户消息 */
@@ -834,6 +939,29 @@ export default {
   border-radius: 18px 18px 4px 18px;
   max-width: 70%;
   word-wrap: break-word;
+  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
+  position: relative;
+  overflow: hidden;
+}
+
+.user-message .message-content::before {
+  content: '';
+  position: absolute;
+  top: 0;
+  left: -100%;
+  width: 100%;
+  height: 100%;
+  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
+  animation: messageShimmer 2s infinite;
+}
+
+@keyframes messageShimmer {
+  0% {
+    left: -100%;
+  }
+  100% {
+    left: 100%;
+  }
 }
 
 /* AI消息 */
@@ -845,12 +973,19 @@ export default {
 }
 
 .ai-message .message-content {
-  background: white;
+  background: linear-gradient(145deg, #ffffff 0%, #f8f9fa 100%);
   border: 1px solid #e1e5e9;
   padding: 12px 16px;
   border-radius: 18px 18px 18px 4px;
   max-width: 70%;
   word-wrap: break-word;
+  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08), 0 1px 3px rgba(0, 0, 0, 0.06);
+  transition: all 0.2s ease;
+}
+
+.ai-message .message-content:hover {
+  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12), 0 2px 6px rgba(0, 0, 0, 0.08);
+  transform: translateY(-1px);
 }
 
 /* 头像 */
@@ -1059,8 +1194,20 @@ export default {
 /* 输入框区域 */
 .input-area {
   padding: 20px;
-  background: white;
+  background: linear-gradient(145deg, #ffffff 0%, #f8f9fa 100%);
   border-top: 1px solid #e1e5e9;
+  backdrop-filter: blur(10px);
+  position: relative;
+}
+
+.input-area::before {
+  content: '';
+  position: absolute;
+  top: 0;
+  left: 0;
+  right: 0;
+  height: 1px;
+  background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.3), transparent);
 }
 
 .input-container {
@@ -1097,16 +1244,42 @@ export default {
   cursor: pointer;
   font-size: 14px;
   font-weight: 500;
-  transition: opacity 0.2s;
+  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
+  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
+  position: relative;
+  overflow: hidden;
+}
+
+.send-button::before {
+  content: '';
+  position: absolute;
+  top: 0;
+  left: -100%;
+  width: 100%;
+  height: 100%;
+  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
+  transition: left 0.5s;
 }
 
 .send-button:hover:not(:disabled) {
-  opacity: 0.9;
+  transform: translateY(-2px);
+  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
+}
+
+.send-button:hover:not(:disabled)::before {
+  left: 100%;
+}
+
+.send-button:active:not(:disabled) {
+  transform: translateY(0);
+  box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
 }
 
 .send-button:disabled {
   opacity: 0.5;
   cursor: not-allowed;
+  transform: none;
+  box-shadow: none;
 }
 
 /* Markdown 内容样式 */
diff --git a/src/layout/index.vue b/src/layout/index.vue
index 17e87ae..336810e 100644
--- a/src/layout/index.vue
+++ b/src/layout/index.vue
@@ -20,12 +20,14 @@
     <div>
       <!-- 其他页面内容 -->
       <!-- 触发按钮，控制弹窗显示隐藏 -->
-      <div class="ai-hover" @click="showAI = !showAI">
+      <div class="ai-hover" @click="toggleAI">
         <span v-if="!showAI" style="font-size: 14px; font-weight: bold;">AI</span>
         <i v-else class="el-icon-close" style="font-size: 20px;"></i>
       </div>
       <!-- 聊天弹窗，通过 v-if 控制显隐 -->
-      <ChatPopup v-if="showAI" @close="showAI = false" />
+      <transition name="chat-popup">
+        <ChatPopup v-if="showAI" @close="showAI = false" />
+      </transition>
     </div>
 
   </div>
@@ -94,11 +96,12 @@ export default {
     },
     // 切换AI弹窗显示状态
     toggleAI() {
-      this.showAI = !this.showAI
-      // 如果需要在显示时执行原有逻辑，可以取消下面的注释
-      // if (this.showAI) {
-      //   this.initializeAI()
-      // }
+      // 使用明确的状态切换，避免与close事件冲突
+      if (this.showAI) {
+        this.showAI = false
+      } else {
+        this.showAI = true
+      }
     },
     // 原有AI初始化逻辑，保持注释状态
     async initializeAI() {
@@ -222,5 +225,41 @@ export default {
   color: #fff;
   cursor: pointer;
   z-index: 9999;
+  transition: all 0.2s ease;
+  box-shadow: 0 4px 12px rgba(64, 158, 255, 0.3);
+}
+
+.ai-hover:hover {
+  transform: scale(1.05);
+  box-shadow: 0 6px 16px rgba(64, 158, 255, 0.4);
+}
+
+/* 聊天弹窗动画 - 优化版本，避免闪烁 */
+.chat-popup-enter-active {
+  transition: all 0.25s ease-out;
+}
+
+.chat-popup-leave-active {
+  transition: all 0.15s ease-in;
+}
+
+.chat-popup-enter-from {
+  opacity: 0;
+  transform: translateY(15px) scale(0.95);
+}
+
+.chat-popup-enter-to {
+  opacity: 1;
+  transform: translateY(0) scale(1);
+}
+
+.chat-popup-leave-from {
+  opacity: 1;
+  transform: translateY(0) scale(1);
+}
+
+.chat-popup-leave-to {
+  opacity: 0;
+  transform: translateY(15px) scale(0.95);
 }
 </style>