diff --git a/packages/fineui/src/case/trigger/trigger.editor.js b/packages/fineui/src/case/trigger/trigger.editor.js
index 2ea76e859..92e29fb5b 100644
--- a/packages/fineui/src/case/trigger/trigger.editor.js
+++ b/packages/fineui/src/case/trigger/trigger.editor.js
@@ -23,9 +23,10 @@ export class EditorTrigger extends Trigger {
         const conf = super._defaultConfig(...arguments);
 
         return extend(conf, {
-            baseCls: `${conf.baseCls || ""} bi-editor-trigger bi-border-radius ${
-                config.simple ? "bi-border-bottom" : "bi-border"
-            }`,
+            baseCls:
+                (conf.baseCls || "") +
+                " bi-editor-trigger " +
+                (config.simple ? "bi-border-bottom" : "bi-border bi-border-radius"),
             height: 24,
             validationChecker: emptyFn,
             quitChecker: emptyFn,
@@ -83,7 +84,7 @@ export class EditorTrigger extends Trigger {
                         width: o.triggerWidth || toPix(o.height, 2),
                     },
                     width: "",
-                }
+                },
             ],
         });
     }
diff --git a/packages/fineui/src/widget/textvaluedownlistcombo/combo.textvaluedownlist.js b/packages/fineui/src/widget/textvaluedownlistcombo/combo.textvaluedownlist.js
index 97d4a3e94..398888e25 100644
--- a/packages/fineui/src/widget/textvaluedownlistcombo/combo.textvaluedownlist.js
+++ b/packages/fineui/src/widget/textvaluedownlistcombo/combo.textvaluedownlist.js
@@ -11,7 +11,7 @@ import {
     deepClone,
     each,
     flatten,
-    has
+    has,
 } from "@/core";
 import { DownListCombo } from "../downlist";
 
@@ -23,9 +23,8 @@ export class TextValueDownListCombo extends Widget {
 
     _defaultConfig(config) {
         return extend(super._defaultConfig(...arguments), {
-            baseCls: `bi-text-value-down-list-combo bi-border-radius ${
-                config.simple ? "bi-border-bottom" : "bi-border"
-            }`,
+            baseCls:
+                "bi-text-value-down-list-combo " + (config.simple ? "bi-border-bottom" : "bi-border bi-border-radius"),
             height: 24,
         });
     }