diff --git a/src/base/single/editor/editor.js b/src/base/single/editor/editor.js
index fb359f234..7ad107ff6 100644
--- a/src/base/single/editor/editor.js
+++ b/src/base/single/editor/editor.js
@@ -232,9 +232,9 @@ export class Editor extends Single {
     }
 
     _checkToolTip() {
-        const { errorText } = this.options;
+        let errorText = this.options.errorText;
         if (isFunction(errorText)) {
-            this.options.errorText = errorText(this.editor.getValue());
+            errorText = errorText(this.editor.getValue());
         }
         if (isKey(errorText)) {
             if (!this.isEnabled() || this.isValid() || Bubbles.has(this.getName())) {
@@ -324,9 +324,10 @@ export class Editor extends Single {
     }
 
     _setErrorVisible(b) {
-        const { errorText, autoTrim, simple } = this.options;
+        const { autoTrim, simple } = this.options;
+        let errorText = this.options.errorText;
         if (isFunction(errorText)) {
-            this.options.errorText = errorText(autoTrim ? trim(this.editor.getValue()) : this.editor.getValue());
+            errorText = errorText(autoTrim ? trim(this.editor.getValue()) : this.editor.getValue());
         }
         if (!this.disabledError && isKey(errorText)) {
             Bubbles[b ? "show" : "hide"](this.getName(), errorText, this, {