fix在输入框按下tab键，watermark消失

src/base/single/editor/editor.js

@@ -120,8 +120,9 @@ BI.Editor = BI.inherit(BI.Single, {
         this.editor.on(BI.Input.EVENT_KEY_DOWN, function (v) {
             self.fireEvent(BI.Editor.EVENT_KEY_DOWN, arguments);
         });
-        this.editor.on(BI.Input.EVENT_QUICK_DOWN, function (v) {
+        this.editor.on(BI.Input.EVENT_QUICK_DOWN, function (e) {
-            self.watermark && self.watermark.invisible();
+            // tab键就不要隐藏了
+            self.watermark && e.keyCode !== 9 && self.watermark.invisible();
         });
 
         this.editor.on(BI.Input.EVENT_VALID, function () {

src/base/single/input/input.js

@@ -37,7 +37,7 @@ BI.Input = BI.inherit(BI.Single, {
             .keydown(function (e) {
                 inputEventValid = false;
                 ctrlKey = e.ctrlKey;
-                self.fireEvent(BI.Input.EVENT_QUICK_DOWN);
+                self.fireEvent(BI.Input.EVENT_QUICK_DOWN, arguments);
             })
             .keyup(function (e) {
                 if (!(inputEventValid && e.keyCode === BI.KeyCode.ENTER)) {