bug fixed

@@ -315,6 +315,7 @@ $border: #e0e0e0;
             position: absolute;
             top: 77px;
             left: 220px;
+            right: 0;
         }
 
         .pre-title {
@@ -333,6 +334,9 @@ $border: #e0e0e0;
             font-size: 22px;
             color: $gray;
             line-height: 100%;
+            overflow: hidden;
+            white-space: nowrap;
+            text-overflow: ellipsis;
         }
     }
 }