diff --git a/src/controllers/dataVerificationCtrl.js b/src/controllers/dataVerificationCtrl.js
index 5251501b7..c9959deb9 100644
--- a/src/controllers/dataVerificationCtrl.js
+++ b/src/controllers/dataVerificationCtrl.js
@@ -1,6 +1,6 @@
 import { replaceHtml } from '../utils/util';
 import formula from '../global/formula';
-import { isRealNum } from '../global/validate';
+import { isRealNum, isRealNull } from '../global/validate';
 import { isdatetime, diff } from '../global/datecontroll';
 import { luckysheetrefreshgrid } from '../global/refresh';
 import tooltip from '../global/tooltip';
@@ -1020,7 +1020,7 @@ const dataVerificationCtrl = {
         //数据验证未通过
         let cellValue = getcellvalue(r, c, null);
 
-        if(cellValue == null || cellValue == ""){
+        if(isRealNull(cellValue)){
             return;
         }
 
diff --git a/src/controllers/formulaBar.js b/src/controllers/formulaBar.js
index 7ee5da468..29b532954 100644
--- a/src/controllers/formulaBar.js
+++ b/src/controllers/formulaBar.js
@@ -59,13 +59,16 @@ export function formulaBarInitial(){
                 formula.updatecell(Store.luckysheetCellUpdate[0], Store.luckysheetCellUpdate[1]);
                 Store.luckysheet_select_save = [{ "row": [Store.luckysheetCellUpdate[0], Store.luckysheetCellUpdate[0]], "column": [Store.luckysheetCellUpdate[1], Store.luckysheetCellUpdate[1]], "row_focus": Store.luckysheetCellUpdate[0], "column_focus": Store.luckysheetCellUpdate[1] }];
                 luckysheetMoveHighlightCell("down", 1, "rangeOfSelect");
-                $("#luckysheet-functionbox-cell").blur();
+                //$("#luckysheet-functionbox-cell").blur();
+                $("#luckysheet-rich-text-editor").focus();
             }
             event.preventDefault();
         }
         else if (kcode == keycode.ESC && parseInt($inputbox.css("top")) > 0) {
             formula.dontupdate();
             luckysheetMoveHighlightCell("down", 0, "rangeOfSelect");
+            //$("#luckysheet-functionbox-cell").blur();
+            $("#luckysheet-rich-text-editor").focus();
             event.preventDefault();
         }
         else if (kcode == keycode.F4 && parseInt($inputbox.css("top")) > 0) {
@@ -224,11 +227,11 @@ export function formulaBarInitial(){
         event.stopPropagation();
     });
 
-    $("#luckysheet-formula-functionrange").on("mousedown", ".luckysheet-highlight", function (e) {
+    $("#luckysheet-formula-functionrange").on("mousedown", ".luckysheet-highlight", function (event) {
         formula.rangeResize = $(this).data("type");//开始状态resize
         formula.rangeResizeIndex = $(this).parent().attr("rangeindex");
         
-        let mouse = mouseposition(e.pageX, e.pageY), 
+        let mouse = mouseposition(event.pageX, event.pageY), 
             scrollLeft = $("#luckysheet-cell-main").scrollLeft(), 
             scrollTop = $("#luckysheet-cell-main").scrollTop();
         let x = mouse[0] + scrollLeft;