各模块下侧边目录样式修改

src/components/Currency/Aside.vue

@@ -72,10 +72,17 @@ export default {
       color: #409eff;
       background-color: #ecf5ff;
     }
-    /deep/ .el-submenu__title {
-      font-family: Source Han Sans CN VF;
-      font-size: 16px;
-      color: #000;
+    /deep/ .el-submenu {
+      &.is-opened {
+        > .el-submenu__title {
+          font-weight: bold;
+        }
+      }
+      .el-submenu__title {
+        font-family: Source Han Sans CN VF;
+        font-size: 16px;
+        color: #000;
+      }
     }
   }
 }