修复了品类页在android 7 点击无效的问题。review by liben。

@@ -52,30 +52,14 @@ export default class HotCategoryList extends Component{
         }
 
 		let imageUrl = SlicedImage.getSlicedUrl(rowData.get("default_images"), 98, 128, 2);
-		// let categoryName = rowData.get("category_name");
-
-		//数据类型，纯文字型和图片型，列表中会出现纯文本的情况,比如MORE
-		let dataType = rowData.get("data_type");
-
-		if(dataType && dataType == 'text')
-			return (
-	            <TouchableOpacity activeOpacity={1}  onPress={() => this.props.onPressHotCategoryItem && this.props.onPressHotCategoryItem(rowData.toJS(),rowID)}>
-	                <View style={styles.rowContainer}>
-                		<Text style={styles.rowText} numberOfLines={1}>{rowData.get("show_category_name")}</Text>
-	                </View>
-	            </TouchableOpacity>
-	        );
-		else{
-			return (
-	            <TouchableOpacity activeOpacity={1} onPress={() => this.props.onPressHotCategoryItem && this.props.onPressHotCategoryItem(rowData.toJS(),rowID)}>
-	                <View style={styles.rowContainer}>
-                		<Image style={styles.rowThumbnail} source={{uri: imageUrl}}/>
-                		<View style={styles.rowTextContainer}><Text style={styles.rowText} numberOfLines={2}>{rowData.get("category_name")}</Text></View>
-	                </View>
-	            </TouchableOpacity>
-	        );
-		}
-		
+        return (
+            <TouchableOpacity onPress={() => this.props.onPressHotCategoryItem && this.props.onPressHotCategoryItem(rowData.toJS(),rowID)}>
+                <View style={styles.rowContainer}>
+                    <Image style={styles.rowThumbnail} key={imageUrl} source={{uri: imageUrl}}/>
+                    <View style={styles.rowTextContainer}><Text style={styles.rowText} numberOfLines={2}>{rowData.get("category_name")}</Text></View>
+                </View>
+            </TouchableOpacity>
+        );
 	}