diff --git a/dolphinscheduler-ui/src/js/conf/home/pages/dag/_source/dag.vue b/dolphinscheduler-ui/src/js/conf/home/pages/dag/_source/dag.vue
index 6f35956a2b..3830535570 100755
--- a/dolphinscheduler-ui/src/js/conf/home/pages/dag/_source/dag.vue
+++ b/dolphinscheduler-ui/src/js/conf/home/pages/dag/_source/dag.vue
@@ -893,4 +893,12 @@
   .operBtn {
     padding: 8px 6px;
   }
+
+  .el-drawer__body {
+    ::selection {
+      background: #409EFF;
+      color: white;
+    }
+  }
+
 </style>
diff --git a/dolphinscheduler-ui/src/js/conf/home/pages/dag/_source/udp/udp.vue b/dolphinscheduler-ui/src/js/conf/home/pages/dag/_source/udp/udp.vue
index 4ed90d77bb..fe593e60ce 100644
--- a/dolphinscheduler-ui/src/js/conf/home/pages/dag/_source/udp/udp.vue
+++ b/dolphinscheduler-ui/src/js/conf/home/pages/dag/_source/udp/udp.vue
@@ -251,6 +251,11 @@
       max-height: 600px;
       overflow-y: scroll;
       padding:0 20px;
+
+      ::selection {
+        background: #409EFF ;
+        color: white;
+      }
     }
     .title {
       line-height: 36px;