diff --git a/src/views/exchange/symbols.vue b/src/views/exchange/symbols.vue
index 2ed4967..b5ff087 100644
--- a/src/views/exchange/symbols.vue
+++ b/src/views/exchange/symbols.vue
@@ -56,7 +56,7 @@
                             <td class="w-33 text-right">
                                 {{ coin.coin_name == 'fav' ? item.close : item.price}}
                             </td>
-                            <td class="w-33 text-right" :class="item.increaseStr.startsWith('-') ? 'red' : 'green'">
+                            <td class="w-33 text-right" :class="getItemClass(item)">
                                 {{ item.increaseStr }}
                             </td>
                         </tr>
@@ -228,7 +228,15 @@ export default {
                 this.favList.marketInfoList = res||[];
             })
             .catch((err) => {});
-        }
+        },
+		// 判断是否有 - 号
+		getItemClass(item) {
+		    if (item && item.increaseStr && item.increaseStr.indexOf('-') === 0) {
+		        return 'red';
+		    } else {
+				return 'green';
+		    }
+		}
     },
 
     created() {