trigger input search

@@ -70,43 +70,46 @@ function searchResult() {
         i = 0,
         html = '';
 
-    // 遍历首字母搜索
-    $.each(brandsData, function(k, v) {
-        if ($.isArray(v)) {
+    if (keyword !== '') {
+
+        // 遍历首字母搜索
+        $.each(brandsData, function(k, v) {
+            if ($.isArray(v)) {
+
+                // 遍历品牌，进行匹配
+                $.each(v, function(i, brand) {
+                    if (brand.name.toLowerCase().indexOf(keyword) > -1) {
+                        result[k] = result[k] || [];
+                        result[k].push(brand);
+                    }
+                });
+            }
+        });
 
-            // 遍历品牌，进行匹配
+        // 根据搜索结果生成 HTML
+        $.each(result, function(k, v) {
+            var brandHtml = ['<div class="brand-list bar-', i, '">'];
+
+            i++;
+            brandHtml.push('<div class="title-bar"><h2>');
+            brandHtml.push(k);
+            brandHtml.push('</h2></div>');
             $.each(v, function(i, brand) {
-                if (brand.name.toLowerCase().indexOf(keyword) > -1) {
-                    result[k] = result[k] || [];
-                    result[k].push(brand);
+
+                brandHtml.push('<p><a href="' + brand.url + '">' + brand.name);
+                if (brand.isNew) {
+                    brandHtml.push('<i class="icon-hot">HOT</i>');
                 }
+                if (brand.isHot) {
+                    brandHtml.push('<i class="icon-new">NEW</i>');
+                }
+                brandHtml.push('</a></p>');
             });
-        }
-    });
+            brandHtml.push('</div>');
+            html += brandHtml.join('');
 
-    // 根据搜索结果生成 HTML
-    $.each(result, function(k, v) {
-        var brandHtml = ['<div class="brand-list bar-', i, '">'];
-
-        i++;
-        brandHtml.push('<div class="title-bar"><h2>');
-        brandHtml.push(k);
-        brandHtml.push('</h2></div>');
-        $.each(v, function(i, brand) {
-
-            brandHtml.push('<p><a href="' + brand.url + '">' + brand.name);
-            if (brand.isNew) {
-                brandHtml.push('<i class="icon-hot">HOT</i>');
-            }
-            if (brand.isHot) {
-                brandHtml.push('<i class="icon-new">NEW</i>');
-            }
-            brandHtml.push('</a></p>');
         });
-        brandHtml.push('</div>');
-        html += brandHtml.join('');
-
-    });
+    }
 
     // 插入 dom，绑定事件
     $('.search-result').html(html);
@@ -118,7 +121,6 @@ if ($('.brand-search-page').length) {
 
     $keyword.on('input', function() {
         if ($keyword.val().length) {
-            searchResult();
             $icon.css('color', '#000');
             $(this).closest('.search-box').css('width', '11.25rem');
             $('.search-action').show();
@@ -127,6 +129,7 @@ if ($('.brand-search-page').length) {
             $(this).closest('.search-box').css('width', '12.5rem');
             $('.search-action').hide();
         }
+        searchResult();
     }).focus();
 
     clearTextHammer = new Hammer($('.clear-text')[0]);