diff --git a/src/components/QuickPlanPanel.vue b/src/components/QuickPlanPanel.vue
index 69c70dd..3ef82d6 100644
--- a/src/components/QuickPlanPanel.vue
+++ b/src/components/QuickPlanPanel.vue
@@ -7,23 +7,79 @@
     </div>
 
     <!-- Input form -->
-    <div v-if="!isGenerating && allSchemes.length === 0" class="form-wrap">
+    <div class="form-wrap" :class="{ 'form-disabled': isGenerating }">
       <div class="form-row">
         <div class="fg"><label>目的地</label><input v-model="destination" placeholder="如：云南、贵州、四川" :disabled="isGenerating" value="四川"></div>
         <div class="fg"><label>出行天数</label>
-          <select v-model="days" :disabled="isGenerating">
-            <option v-for="d in [2,3,5,7]" :key="d" :value="d">{{ d }}天</option>
-          </select>
+          <div class="combobox-wrap" ref="daysComboboxRef">
+            <input 
+              v-model="daysInput" 
+              @input="onDaysInput" 
+              @focus="daysDropdownOpen = true" 
+              @blur="onDaysBlur"
+              :disabled="isGenerating" 
+              placeholder="选择或输入天数"
+              class="combobox-input"
+            >
+            <div v-if="daysDropdownOpen" class="combobox-dropdown">
+              <div 
+                v-for="d in [2,3,5,7]" 
+                :key="d" 
+                class="combobox-option"
+                @mousedown="selectDay(d)"
+              >
+                {{ d }}天
+              </div>
+            </div>
+          </div>
         </div>
       </div>
       <div class="form-row">
-        <div class="fg"><label>出发日期</label><input type="date" v-model="startDate" :disabled="isGenerating"></div>
+        <div class="fg"><label>出发月份</label>
+          <div class="combobox-wrap">
+            <input 
+              v-model="monthDisplay" 
+              @focus="monthDropdownOpen = true" 
+              @blur="onMonthBlur"
+              :disabled="isGenerating" 
+              placeholder="选择月份"
+              class="combobox-input"
+              readonly
+            >
+            <div v-if="monthDropdownOpen" class="combobox-dropdown">
+              <div 
+                v-for="m in 12" 
+                :key="m" 
+                class="combobox-option"
+                @mousedown="selectMonth(m)"
+              >
+                {{ m }}月
+              </div>
+            </div>
+          </div>
+        </div>
         <div class="fg"><label>出行方式</label>
-          <select v-model="transport" :disabled="isGenerating">
-            <option value="自驾">自驾</option>
-            <option value="公共交通">公共交通</option>
-            <option value="步行/骑行">步行/骑行</option>
-          </select>
+          <div class="combobox-wrap">
+            <input 
+              v-model="transportDisplay" 
+              @focus="transportDropdownOpen = true" 
+              @blur="onTransportBlur"
+              :disabled="isGenerating" 
+              placeholder="选择出行方式"
+              class="combobox-input"
+              readonly
+            >
+            <div v-if="transportDropdownOpen" class="combobox-dropdown">
+              <div 
+                v-for="t in ['自驾', '公共交通', '步行/骑行']" 
+                :key="t" 
+                class="combobox-option"
+                @mousedown="selectTransport(t)"
+              >
+                {{ t }}
+              </div>
+            </div>
+          </div>
         </div>
       </div>
       <div class="fg"><label>其他需求（选填）</label><input v-model="extraNeeds" placeholder="如：带老人小孩、预算范围、必去景点等" :disabled="isGenerating"></div>
@@ -32,11 +88,11 @@
       </button>
     </div>
 
-    <!-- AI Thinking process -->
+    <!-- AI Thinking process (shown below form when generating) -->
     <div v-if="isGenerating" class="load-panel">
-      <div class="lp-head" @click="thinkingExpanded = !thinkingExpanded">
+      <div class="lp-head">
         <div class="spin"></div><span>AI 正在规划中...</span>
-        <span class="lp-toggle">{{ thinkingExpanded ? '收起' : '展开' }}</span>
+        <button class="btn-cancel" @click="cancelGeneration">✕ 取消</button>
       </div>
       <transition name="expand">
         <div v-if="thinkingExpanded" class="lp-body">
@@ -44,6 +100,9 @@
           <div class="lp-step" v-else>分析用户需求中...</div>
         </div>
       </transition>
+      <div class="lp-toggle-area" @click="thinkingExpanded = !thinkingExpanded">
+        {{ thinkingExpanded ? '收起 ▲' : '展开 ▼' }}
+      </div>
     </div>
 
     <!-- Scheme list with regenerate button -->
@@ -175,12 +234,19 @@ const MAX_SCHEMES = 9
 
 const destination = ref('')
 const days = ref(3)
-const startDate = ref('')
+const daysInput = ref('3')
+const daysDropdownOpen = ref(false)
+const startMonth = ref(1)
+const monthDisplay = ref('1月')
+const monthDropdownOpen = ref(false)
 const transport = ref('自驾')
+const transportDisplay = ref('自驾')
+const transportDropdownOpen = ref(false)
 const extraNeeds = ref('')
 const isGenerating = ref(false)
 const thinkingText = ref('')
 const thinkingExpanded = ref(true)
+const abortController = ref(null)
 
 // Preview modal
 const previewIndex = ref(-1)
@@ -200,25 +266,74 @@ function getBadgeClass(i) {
   return classes[i % 3]
 }
 
+function onDaysInput() {
+  const val = parseInt(daysInput.value)
+  if (!isNaN(val) && val >= 1 && val <= 30) {
+    days.value = val
+  }
+}
+
+function selectDay(d) {
+  days.value = d
+  daysInput.value = String(d)
+  daysDropdownOpen.value = false
+}
+
+function onDaysBlur() {
+  setTimeout(() => {
+    daysDropdownOpen.value = false
+    // 如果输入为空或无效，恢复为 days 的值
+    const val = parseInt(daysInput.value)
+    if (isNaN(val) || val < 1 || val > 30) {
+      daysInput.value = String(days.value)
+    }
+  }, 200)
+}
+
+function selectMonth(m) {
+  startMonth.value = m
+  monthDisplay.value = `${m}月`
+  monthDropdownOpen.value = false
+}
+
+function onMonthBlur() {
+  setTimeout(() => {
+    monthDropdownOpen.value = false
+  }, 200)
+}
+
+function selectTransport(t) {
+  transport.value = t
+  transportDisplay.value = t
+  transportDropdownOpen.value = false
+}
+
+function onTransportBlur() {
+  setTimeout(() => {
+    transportDropdownOpen.value = false
+  }, 200)
+}
+
 async function generatePlan() {
   if (!destination.value.trim() || isGenerating.value) return
 
   isGenerating.value = true
   thinkingText.value = ''
   thinkingExpanded.value = true
+  abortController.value = new AbortController()
 
   try {
     const userInput = {
       destination: destination.value.trim(),
       days: days.value,
-      startDate: startDate.value || '近期',
+      startDate: `${startMonth.value}月`,
       transport: transport.value,
       extraNeeds: extraNeeds.value.trim() || '无特殊需求'
     }
 
     const result = await quickPlan(userInput, (text) => {
       thinkingText.value = text
-    })
+    }, abortController.value)
 
     console.log('[generatePlan] AI 返回结果:', result)
     console.log('[generatePlan] schemes 数量:', result.schemes?.length)
@@ -252,10 +367,23 @@ async function generatePlan() {
     console.log('[generatePlan] 保存方案总数:', currentSchemes.length)
     store.saveSchemesToStore(currentSchemes, currentHistory)
   } catch (error) {
-    thinkingText.value = '生成失败：' + (error.message || '请重试')
-    console.error('[generatePlan] 生成失败:', error)
+    if (error.name === 'AbortError') {
+      console.log('[generatePlan] 用户取消生成')
+      thinkingText.value = '已取消生成'
+    } else {
+      thinkingText.value = '生成失败：' + (error.message || '请重试')
+      console.error('[generatePlan] 生成失败:', error)
+    }
   } finally {
     isGenerating.value = false
+    abortController.value = null
+  }
+}
+
+function cancelGeneration() {
+  if (abortController.value) {
+    abortController.value.abort()
+    console.log('[cancelGeneration] 取消请求已发送')
   }
 }
 
@@ -374,6 +502,58 @@ onMounted(() => {
   cursor: not-allowed;
 }
 
+/* Days combobox */
+.combobox-wrap {
+  position: relative;
+}
+
+.combobox-input {
+  width: 100%;
+  padding: 10px 14px;
+  border: 1.5px solid #dfe6e9;
+  border-radius: 10px;
+  font-size: 14px;
+  outline: none;
+  transition: border 0.2s;
+  font-family: inherit;
+}
+
+.combobox-input:focus {
+  border-color: #6c5ce7;
+}
+
+.combobox-input:disabled {
+  background: #f5f7fa;
+  cursor: not-allowed;
+}
+
+.combobox-dropdown {
+  position: absolute;
+  top: 100%;
+  left: 0;
+  right: 0;
+  background: #fff;
+  border: 1.5px solid #6c5ce7;
+  border-top: none;
+  border-radius: 0 0 10px 10px;
+  box-shadow: 0 4px 12px rgba(108,92,231,0.15);
+  z-index: 100;
+  margin-top: 2px;
+}
+
+.combobox-option {
+  padding: 10px 14px;
+  cursor: pointer;
+  font-size: 14px;
+  color: #636e72;
+  transition: all 0.15s;
+}
+
+.combobox-option:hover {
+  background: #f0f0f5;
+  color: #6c5ce7;
+}
+
 .btn-primary {
   width: 100%;
   padding: 13px;
@@ -416,7 +596,42 @@ onMounted(() => {
   gap: 10px;
   font-weight: 600;
   font-size: 14px;
+}
+
+.btn-cancel {
+  margin-left: auto;
+  padding: 4px 12px;
+  background: #e74c3c;
+  color: #fff;
+  border: none;
+  border-radius: 6px;
+  font-size: 12px;
+  cursor: pointer;
+  transition: all 0.2s;
+}
+
+.btn-cancel:hover {
+  background: #c0392b;
+}
+
+.lp-toggle-area {
+  padding: 8px 20px;
+  text-align: center;
+  font-size: 12px;
+  color: #b2bec3;
   cursor: pointer;
+  border-top: 1px solid #eee;
+}
+
+.lp-toggle-area:hover {
+  color: #6c5ce7;
+  background: #f8f9fa;
+}
+
+/* Form disabled state */
+.form-wrap.form-disabled {
+  opacity: 0.6;
+  pointer-events: none;
 }
 
 .spin {
diff --git a/src/services/aiService.js b/src/services/aiService.js
index 1dd6552..03f2f5c 100644
--- a/src/services/aiService.js
+++ b/src/services/aiService.js
@@ -325,13 +325,14 @@ function parseAIResponse(content) {
 }
 
 // Shared streaming function
-async function streamAIRequest(messages, onThinking = null) {
+async function streamAIRequest(messages, onThinking = null, signal = null) {
   const apiUrl = import.meta.env.DEV ? 'http://localhost:3001/api/chat' : '/api/chat'
   console.log('[streamAI] Fetching:', apiUrl)
   const response = await fetch(apiUrl, {
     method: 'POST',
     headers: { 'Content-Type': 'application/json' },
-    body: JSON.stringify({ messages, stream: true })
+    body: JSON.stringify({ messages, stream: true }),
+    signal
   })
   console.log('[streamAI] Response status:', response.status)
   
@@ -439,7 +440,7 @@ function parseJSONFromContent(content) {
   }
 }
 
-export async function quickPlan(userInput, onThinking = null) {
+export async function quickPlan(userInput, onThinking = null, signal = null) {
   const userMessage = `目的地：${userInput.destination}
 出行天数：${userInput.days}天
 出发日期：${userInput.startDate}
@@ -457,7 +458,7 @@ export async function quickPlan(userInput, onThinking = null) {
       const content = await streamAIRequest([
         { role: 'system', content: QUICK_PLAN_PROMPT },
         { role: 'user', content: userMessage }
-      ], onThinking)
+      ], onThinking, signal)
       
       const parsed = parseJSONFromContent(content)