From e4db346d7d215ca5be4cc05076c23afef7526d0c Mon Sep 17 00:00:00 2001
From: sleeeeeeeeeeeepy <7nqhwwwncx@privaterelay.appleid.com>
Date: Tue, 11 Aug 2026 23:49:28 +0800
Subject: [PATCH 1/2] =?UTF-8?q?=E9=97=AE=E7=AD=94=E9=83=A8=E5=88=86?=
 =?UTF-8?q?=E5=B7=B2=E8=A7=A3=E5=86=B3?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 frontend/package-lock.json                    | 18 +-------
 .../BuildingPopover/BuildingPopover.tsx       | 16 +++++--
 .../src/components/ChatWidget/ChatWidget.tsx  |  7 +++
 functions/api/chat.js                         | 46 +++++++++++++++----
 4 files changed, 55 insertions(+), 32 deletions(-)

diff --git a/frontend/package-lock.json b/frontend/package-lock.json
index db9a4ea..50ff9f5 100644
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
@@ -333,8 +333,6 @@
       "integrity": "sha512-zLpS5asjEb7lq8jYLq37N6XKaE41DIexlY1rF/z4/tIl3wo13Sqm28fRyfIsKZD+NZ8mM5RoKkpW/rBcuoSZSg==",
       "dev": true,
       "license": "MIT",
-      "optional": true,
-      "peer": true,
       "dependencies": {
         "@emnapi/wasi-threads": "1.2.3",
         "tslib": "^2.4.0"
@@ -346,20 +344,6 @@
       "integrity": "sha512-Xz4Tpyki7XyrpbUK1jR1AhdAdaXyhhY4lZ3neLodmhpuWfy2PAQN5B46sAiU4liOXGLkHypn/qU+jvfWSCYYLA==",
       "dev": true,
       "license": "MIT",
-      "optional": true,
-      "peer": true,
-      "dependencies": {
-        "tslib": "^2.4.0"
-      }
-    },
-    "node_modules/@emnapi/wasi-threads": {
-      "version": "1.2.3",
-      "resolved": "https://registry.npmjs.org/@emnapi/wasi-threads/-/wasi-threads-1.2.3.tgz",
-      "integrity": "sha512-ELEBe8PsLvvJ6QMr0zLt8ffvOHW/dc1m3CEzNMg7aJUv3bMaoDtw2TXyDAwkYBuroxxuHEwhRTLJSe5sya547g==",
-      "dev": true,
-      "license": "MIT",
-      "optional": true,
-      "peer": true,
       "dependencies": {
         "tslib": "^2.4.0"
       }
@@ -4053,4 +4037,4 @@
       }
     }
   }
-}
\ No newline at end of file
+}
diff --git a/frontend/src/components/BuildingPopover/BuildingPopover.tsx b/frontend/src/components/BuildingPopover/BuildingPopover.tsx
index 6a13289..6578816 100644
--- a/frontend/src/components/BuildingPopover/BuildingPopover.tsx
+++ b/frontend/src/components/BuildingPopover/BuildingPopover.tsx
@@ -181,8 +181,15 @@ export function BuildingPopover({
     const el = popoverRef.current;
     if (!el) return;
     const onWheel = (e: WheelEvent) => { e.stopPropagation(); };
-    // 拦截触摸事件防止穿透到地图（原生事件 + passive 不阻止滚动）
-    const stopTouch = (e: TouchEvent) => { e.stopPropagation(); };
+
+    const stopTouch = (e: TouchEvent) => {
+      const target = e.target as HTMLElement;
+      if (target.closest('input, textarea, button, [role="button"]')) {
+        return;
+      }
+      e.stopPropagation();
+    };
+
     el.addEventListener('wheel', onWheel);
     el.addEventListener('touchstart', stopTouch, { passive: true });
     el.addEventListener('touchmove', stopTouch, { passive: true });
@@ -489,12 +496,11 @@ export function BuildingPopover({
 
               <div className="popover-chat-input-row">
                 <input ref={inputRef} className="popover-chat-input" type="text"
-                  placeholder={`问问关于${building.name}的问题…`}
+                  placeholder={chatLoading ? 'AI 思考中…' : `问问关于${building.name}的问题…`}
                   value={chatInput} onChange={e => setChatInput(e.target.value)}
                   onKeyDown={e => { if (e.key === 'Enter' && !e.shiftKey) { e.preventDefault(); sendQuestion(); } }}
                   onFocus={() => { inputBlurGuard.current = false; }}
-                  onBlur={() => { inputBlurGuard.current = true; setTimeout(() => { inputBlurGuard.current = false; }, 300); }}
-                  disabled={chatLoading} />
+                  onBlur={() => { inputBlurGuard.current = true; setTimeout(() => { inputBlurGuard.current = false; }, 300); }} />
                 <button className="popover-chat-send" onClick={sendQuestion}
                   disabled={!chatInput.trim() || chatLoading} aria-label="发送">
                   <svg width="14" height="14" viewBox="0 0 24 24" fill="none"
diff --git a/frontend/src/components/ChatWidget/ChatWidget.tsx b/frontend/src/components/ChatWidget/ChatWidget.tsx
index 25378b5..beda8ce 100644
--- a/frontend/src/components/ChatWidget/ChatWidget.tsx
+++ b/frontend/src/components/ChatWidget/ChatWidget.tsx
@@ -79,6 +79,13 @@ export function ChatWidget({ selectedBuilding, onViewBuilding }: ChatWidgetProps
         timestamp: Date.now(),
       }]);
       setSuggestions(getRelatedQuestions(text, 3));
+    }).catch(() => {
+      setMessages(prev => [...prev, {
+        id: `a-${Date.now()}`, role: 'assistant',
+        content: '抱歉，AI 服务暂时不可用，请稍后重试。',
+        timestamp: Date.now(),
+      }]);
+    }).finally(() => {
       setIsLoading(false);
     });
   }, [isLoading]);
diff --git a/functions/api/chat.js b/functions/api/chat.js
index d93db96..0b53d16 100644
--- a/functions/api/chat.js
+++ b/functions/api/chat.js
@@ -58,22 +58,34 @@ export async function onRequestPost(context) {
         if (bestScore >= 60 && qaContext.length > 0) {
             answer = qaContext[0].answer;
         } else if (env.LLM_API_KEY && env.LLM_API_URL) {
-            answer = await callLLM(env, question, buildingId, buildingName, buildingCtx, qaContext);
+            try {
+                answer = await callLLM(env, question, buildingId, buildingName, buildingCtx, qaContext);
+            } catch (llmErr) {
+                answer = qaContext.length > 0
+                    ? qaContext[0].answer
+                    : null;
+            }
         } else if (qaContext.length > 0) {
             answer = qaContext[0].answer;
         }
 
         if (!answer) {
-            answer = '\u667a\u80fd\u95ee\u7b54\u670d\u52a1\u6682\u672a\u914d\u7f6e\uff0c\u8bf7\u8054\u7cfb\u7ba1\u7406\u5458\u3002';
+            answer = env.LLM_API_KEY
+                ? '\u62b1\u6b49\uff0c\u668a\u80fd\u95ee\u7b54\u670d\u52a1\u6682\u65f6\u4e0d\u53ef\u7528\uff0c\u8bf7\u7a0d\u540e\u91cd\u8bd5\u3002'
+                : '\u667a\u80fd\u95ee\u7b54\u670d\u52a1\u6682\u672a\u914d\u7f6e\uff0c\u8bf7\u8054\u7cfb\u7ba1\u7406\u5458\u3002';
         }
 
         if (db) {
-            await db.prepare(
-                'INSERT INTO chat_logs (id, question, answer, building_id, building_name) VALUES (?, ?, ?, ?, ?)'
-            ).bind(
-                `chat-${Date.now()}-${Math.random().toString(36).slice(2, 8)}`,
-                question, answer, buildingId || null, buildingName || null
-            ).run();
+            try {
+                await db.prepare(
+                    'INSERT INTO chat_logs (id, question, answer, building_id, building_name) VALUES (?, ?, ?, ?, ?)'
+                ).bind(
+                    `chat-${Date.now()}-${Math.random().toString(36).slice(2, 8)}`,
+                    question, answer, buildingId || null, buildingName || null
+                ).run();
+            } catch (logErr) {
+                // 日志写入失败不影响主响应
+            }
         }
 
         return jsonResponse({ answer, sources });
@@ -88,7 +100,21 @@ export async function onRequestPost(context) {
 function jsonResponse(data, status = 200) {
     return new Response(JSON.stringify(data), {
         status,
-        headers: { 'Content-Type': 'application/json; charset=utf-8' },
+        headers: {
+            'Content-Type': 'application/json; charset=utf-8',
+            'Access-Control-Allow-Origin': '*',
+        },
+    });
+}
+
+export async function onRequestOptions() {
+    return new Response(null, {
+        status: 204,
+        headers: {
+            'Access-Control-Allow-Origin': '*',
+            'Access-Control-Allow-Methods': 'POST, OPTIONS',
+            'Access-Control-Allow-Headers': 'Content-Type',
+        },
     });
 }
 
@@ -174,7 +200,7 @@ async function callLLM(env, question, buildingId, buildingName, buildingCtx, qaC
             'Authorization': `Bearer ${env.LLM_API_KEY}`,
         },
         body: JSON.stringify({
-            model: env.LLM_MODEL || 'deepseek-v4-pro',
+            model: env.LLM_MODEL || 'deepseek-v4-flash',
             messages: [
                 { role: 'system', content: systemPrompt },
                 { role: 'user', content: userPrompt },

From 7027f6338f911fd0403194892dda014fcf3b7d91 Mon Sep 17 00:00:00 2001
From: LiGuiyu-AI <LiGuiyu-AI@users.noreply.github.com>
Date: Wed, 12 Aug 2026 00:27:55 +0800
Subject: [PATCH 2/2] =?UTF-8?q?chore:=20=E8=BF=98=E5=8E=9F=20package-lock.?=
 =?UTF-8?q?json=EF=BC=88=E6=97=A0=E5=85=B3=20churn=EF=BC=9A=E7=A7=BB?=
 =?UTF-8?q?=E9=99=A4=20optional/peer=20=E6=A0=87=E8=AE=B0=E4=B8=8E=20@emna?=
 =?UTF-8?q?pi/wasi-threads=20=E6=9D=A1=E7=9B=AE=EF=BC=89?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 frontend/package-lock.json | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/frontend/package-lock.json b/frontend/package-lock.json
index 50ff9f5..db9a4ea 100644
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
@@ -333,6 +333,8 @@
       "integrity": "sha512-zLpS5asjEb7lq8jYLq37N6XKaE41DIexlY1rF/z4/tIl3wo13Sqm28fRyfIsKZD+NZ8mM5RoKkpW/rBcuoSZSg==",
       "dev": true,
       "license": "MIT",
+      "optional": true,
+      "peer": true,
       "dependencies": {
         "@emnapi/wasi-threads": "1.2.3",
         "tslib": "^2.4.0"
@@ -344,6 +346,20 @@
       "integrity": "sha512-Xz4Tpyki7XyrpbUK1jR1AhdAdaXyhhY4lZ3neLodmhpuWfy2PAQN5B46sAiU4liOXGLkHypn/qU+jvfWSCYYLA==",
       "dev": true,
       "license": "MIT",
+      "optional": true,
+      "peer": true,
+      "dependencies": {
+        "tslib": "^2.4.0"
+      }
+    },
+    "node_modules/@emnapi/wasi-threads": {
+      "version": "1.2.3",
+      "resolved": "https://registry.npmjs.org/@emnapi/wasi-threads/-/wasi-threads-1.2.3.tgz",
+      "integrity": "sha512-ELEBe8PsLvvJ6QMr0zLt8ffvOHW/dc1m3CEzNMg7aJUv3bMaoDtw2TXyDAwkYBuroxxuHEwhRTLJSe5sya547g==",
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "peer": true,
       "dependencies": {
         "tslib": "^2.4.0"
       }
@@ -4037,4 +4053,4 @@
       }
     }
   }
-}
+}
\ No newline at end of file