diff --git a/src/main/java/com/github/sd4324530/fastexcel/FastExcel.java b/src/main/java/com/github/sd4324530/fastexcel/FastExcel.java
index 435a8e89fdd3882d6104e94b1c24662430a65d8a..1a83a258552ad388744cff729caae1644a1fc97f 100644
--- a/src/main/java/com/github/sd4324530/fastexcel/FastExcel.java
+++ b/src/main/java/com/github/sd4324530/fastexcel/FastExcel.java
@@ -293,7 +293,15 @@ public final class FastExcel implements Closeable {
                             if (data.getKey().equals(s[j])) {
                                 Field field = data.getValue();
                                 field.setAccessible(true);
-                                cell.setCellValue(field.get(list.get(i)).toString());
+                                Object obj = list.get(i);
+                                if (obj == null) {
+									obj = "";
+								}
+                                Object fieldObj = field.get(obj);
+                                if (fieldObj == null) {
+									fieldObj = "";
+								}
+                                cell.setCellValue(fieldObj.toString());
                                 break;
                             }
                         }