diff --git a/packages/fineui/src/widget/singleslider/button/editor.sign.text.js b/packages/fineui/src/widget/singleslider/button/editor.sign.text.js
index da7c44cb9..7c9608307 100644
--- a/packages/fineui/src/widget/singleslider/button/editor.sign.text.js
+++ b/packages/fineui/src/widget/singleslider/button/editor.sign.text.js
@@ -106,17 +106,18 @@ export class SignTextEditor extends Widget {
     _checkText() {
         const o = this.options;
         nextTick(
-            bind(() => {
+            () => {
                 if (this.editor.getValue() === "") {
                     this.text.setValue(o.watermark || "");
                     this.text.element.addClass("bi-water-mark");
                 } else {
                     let v = this.editor.getValue();
                     v = isEmpty(v) || v === o.text ? o.text : v + o.text;
+                    console.log(v)
                     this.text.setValue(v);
                     this.text.element.removeClass("bi-water-mark");
                 }
-            }, this)
+            }
         );
     }