md

src/assets/styles/pages.scss

@@ -1393,3 +1393,13 @@
     display: none;
   }
 }
+
+// select-class-dialog
+.select-class-dialog {
+  .el-transfer__buttons {
+    padding: 0 5px;
+  }
+  .el-transfer-panel {
+    width: 500px;
+  }
+}

src/modules/stmms/components/SelectClassByCourse.vue

@@ -4,7 +4,7 @@
     :visible.sync="modalIsShow"
     append-to-body
     top="20px"
-    width="650px"
+    width="1200px"
     title="选择班级"
     :close-on-click-modal="false"
     :close-on-press-escape="false"