bug fixes

src/pages/grade/credit.vue

@@ -193,11 +193,15 @@ export default {
       content: '';
       display: block;
       width: 4px;
-      height: 30px;
+      height: 36px;
       background-color: #f56c6c;
       margin-left: -2px;
-      z-index: 999;
+      z-index: 1;
     }
   }
+  ::v-deep .el-progress-bar__innerText {
+    position: relative;
+    z-index: 1;
+  }
 }
 </style>