diff --git a/src/controllers/updateCell.js b/src/controllers/updateCell.js
index c6be717..3981266 100644
--- a/src/controllers/updateCell.js
+++ b/src/controllers/updateCell.js
@@ -176,7 +176,7 @@ export function luckysheetupdateCell(row_index1, col_index1, d, cover, isnotfocu
             else{
                 value = valueShowEs(row_index, col_index, d);
                 if(cell.qp=="1"){
-                    value = "'" + value;
+                    value = value ? ("" + value) : value;
                 }
             }
         }