fix: search bar enter with input search

src/app/search/page.tsx

@@ -658,6 +658,19 @@ function SearchPageClient() {
                 isVisible={showSuggestions}
                 onSelect={handleSuggestionSelect}
                 onClose={() => setShowSuggestions(false)}
+                onEnterKey={() => {
+                  // 当用户按回车键时，使用搜索框的实际内容进行搜索
+                  const trimmed = searchQuery.trim().replace(/\s+/g, ' ');
+                  if (!trimmed) return;
+
+                  // 回显搜索框
+                  setSearchQuery(trimmed);
+                  setIsLoading(true);
+                  setShowResults(true);
+                  setShowSuggestions(false);
+
+                  router.push(`/search?q=${encodeURIComponent(trimmed)}`);
+                }}
               />
             </div>
           </form>

src/components/SearchSuggestions.tsx

@@ -7,6 +7,7 @@ interface SearchSuggestionsProps {
   isVisible: boolean;
   onSelect: (suggestion: string) => void;
   onClose: () => void;
+  onEnterKey: () => void; // 新增：处理回车键的回调
 }
 
 interface SuggestionItem {
@@ -20,6 +21,7 @@ export default function SearchSuggestions({
   isVisible,
   onSelect,
   onClose,
+  onEnterKey,
 }: SearchSuggestionsProps) {
   const [suggestions, setSuggestions] = useState<SuggestionItem[]>([]);
   const containerRef = useRef<HTMLDivElement>(null);
@@ -119,6 +121,26 @@ export default function SearchSuggestions({
     return () => document.removeEventListener('mousedown', handleClickOutside);
   }, [isVisible, onClose]);
 
+  // 处理键盘事件，特别是回车键
+  useEffect(() => {
+    const handleKeyDown = (e: KeyboardEvent) => {
+      if (e.key === 'Enter' && isVisible) {
+        // 阻止默认行为，避免浏览器自动选择建议
+        e.preventDefault();
+        e.stopPropagation();
+        // 关闭搜索建议并触发搜索
+        onClose();
+        onEnterKey();
+      }
+    };
+
+    if (isVisible) {
+      document.addEventListener('keydown', handleKeyDown, true);
+    }
+
+    return () => document.removeEventListener('keydown', handleKeyDown, true);
+  }, [isVisible, onClose, onEnterKey]);
+
   if (!isVisible || suggestions.length === 0) {
     return null;
   }