From ef334ee658e6d4d7279e3a12e292d8c8f3800f77 Mon Sep 17 00:00:00 2001
From: peiqi <pq1994@gmail.com>
Date: Thu, 8 Nov 2018 11:43:29 +0800
Subject: [PATCH] fix issue #290

---
 cell.go | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/cell.go b/cell.go
index 1277a18..aa4067f 100644
--- a/cell.go
+++ b/cell.go
@@ -244,12 +244,13 @@ func (f *File) GetCellFormula(sheet, axis string) string {
 		if xlsx.SheetData.Row[k].R == row {
 			for i := range xlsx.SheetData.Row[k].C {
 				if axis == xlsx.SheetData.Row[k].C[i].R {
+					if xlsx.SheetData.Row[k].C[i].F == nil {
+						continue
+					}
 					if xlsx.SheetData.Row[k].C[i].F.T == STCellFormulaTypeShared {
 						return getSharedForumula(xlsx, xlsx.SheetData.Row[k].C[i].F.Si)
 					}
-					if xlsx.SheetData.Row[k].C[i].F != nil {
-						return xlsx.SheetData.Row[k].C[i].F.Content
-					}
+					return xlsx.SheetData.Row[k].C[i].F.Content
 				}
 			}
 		}