diff --git a/src/main/java/com/taover/easyexcel/analysis/v07/workbook/WorkbookAnalyserImpl.java b/src/main/java/com/taover/easyexcel/analysis/v07/workbook/WorkbookAnalyserImpl.java
index 342ab9d..d9cfeba 100644
--- a/src/main/java/com/taover/easyexcel/analysis/v07/workbook/WorkbookAnalyserImpl.java
+++ b/src/main/java/com/taover/easyexcel/analysis/v07/workbook/WorkbookAnalyserImpl.java
@@ -1,10 +1,7 @@
 package com.taover.easyexcel.analysis.v07.workbook;
 
-import java.io.BufferedReader;
 import java.io.IOException;
 import java.io.InputStream;
-import java.io.InputStreamReader;
-import java.io.StringReader;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -15,7 +12,6 @@ import org.w3c.dom.Document;
 import org.w3c.dom.NamedNodeMap;
 import org.w3c.dom.Node;
 import org.w3c.dom.NodeList;
-import org.xml.sax.InputSource;
 import org.xml.sax.SAXException;
 
 import com.taover.easyexcel.analysis.v07.metadata.WorkbookSheet;
@@ -110,7 +106,10 @@ public class WorkbookAnalyserImpl implements WorkbookAnalyser {
 		}
 		NodeList sheetsNodeList = workbook.getElementsByTagName(TAG_NAME_BOOKVIEWS);
 		Node sheetsNode = sheetsNodeList.item(0);
-		NodeList sheetNodeList = sheetsNode.getChildNodes();		
+		if(sheetsNode == null) {
+			return result;
+		}
+		NodeList sheetNodeList = sheetsNode.getChildNodes();
 		for(int i=0; i<sheetNodeList.getLength(); ++i) {
 			result.add(sheetNodeList.item(i));
 		}
--
libgit2 0.21.2