diff --git a/dist/base.js b/dist/base.js
index 255e9cdad..5ed28943c 100644
--- a/dist/base.js
+++ b/dist/base.js
@@ -8492,7 +8492,9 @@ BI.Editor = BI.inherit(BI.Single, {
         });
         this.editor.on(BI.Input.EVENT_QUICK_DOWN, function (e) {
             // tab键就不要隐藏了
-            self.watermark && e.keyCode !== 9 && self.watermark.invisible();
+            if (e.keyCode !== BI.KeyCode.TAB && self.watermark) {
+                self.watermark.invisible();
+            }
         });
 
         this.editor.on(BI.Input.EVENT_VALID, function () {
diff --git a/src/base/single/editor/editor.js b/src/base/single/editor/editor.js
index d76838265..95e50a201 100644
--- a/src/base/single/editor/editor.js
+++ b/src/base/single/editor/editor.js
@@ -122,7 +122,9 @@ BI.Editor = BI.inherit(BI.Single, {
         });
         this.editor.on(BI.Input.EVENT_QUICK_DOWN, function (e) {
             // tab键就不要隐藏了
-            self.watermark && e.keyCode !== 9 && self.watermark.invisible();
+            if (e.keyCode !== BI.KeyCode.TAB && self.watermark) {
+                self.watermark.invisible();
+            }
         });
 
         this.editor.on(BI.Input.EVENT_VALID, function () {