修改模板通过流创建报错的bug

src/main/java/com/alibaba/excel/write/metadata/holder/WriteWorkbookHolder.java

@@ -146,7 +146,7 @@ public class WriteWorkbookHolder extends AbstractWriteHolder {
         byte[] templateFileByte = null;
         if (writeWorkbook.getTemplateFile() != null) {
             templateFileByte = FileUtils.readFileToByteArray(writeWorkbook.getTemplateFile());
-        } else if (writeWorkbook.getTemplateInputStream() == null) {
+        } else if (writeWorkbook.getTemplateInputStream() != null) {
             try {
                 templateFileByte = IoUtils.toByteArray(writeWorkbook.getTemplateInputStream());
             } finally {

src/test/java/com/alibaba/easyexcel/test/temp/simple/Wirte.java

@@ -5,12 +5,15 @@ import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Date;
 import java.util.List;
+import java.util.Map;
 
 import org.junit.Ignore;
 import org.junit.Test;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import com.alibaba.easyexcel.test.core.large.LargeData;
+import com.alibaba.easyexcel.test.core.simple.SimpleData;
 import com.alibaba.easyexcel.test.demo.write.DemoData;
 import com.alibaba.easyexcel.test.util.TestFileUtil;
 import com.alibaba.excel.EasyExcel;
@@ -18,6 +21,8 @@ import com.alibaba.excel.ExcelWriter;
 import com.alibaba.excel.write.metadata.WriteSheet;
 import com.alibaba.fastjson.JSON;
 
+import net.sf.cglib.beans.BeanMap;
+
 /**
  * 测试poi
  *
@@ -27,6 +32,17 @@ import com.alibaba.fastjson.JSON;
 public class Wirte {
     private static final Logger LOGGER = LoggerFactory.getLogger(Wirte.class);
 
+    @Test
+    public void simpleWrite1() {
+        LargeData ss = new LargeData();
+        ss.setStr23("ttt");
+        Map map = BeanMap.create(ss);
+        System.out.println(map.containsKey("str23"));
+        System.out.println(map.containsKey("str22"));
+        System.out.println(map.get("str23"));
+        System.out.println(map.get("str22"));
+    }
+
     @Test
     public void simpleWrite() {
         // 写法1

update.md

@@ -1,3 +1,7 @@
+# 2.1.0-beta2
+* 修改模板通过流创建报错的bug
+* 
+
 # 2.1.0-beta1
 * 新增支持导入、导出支持公式
 * 新增支持读取单元格类型、写入指定单元格类型