diff --git a/pom.xml b/pom.xml
index ac18f11..26c45a5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.alibaba</groupId>
     <artifactId>easyexcel</artifactId>
-    <version>1.1.0</version>
+    <version>1.1.1</version>
     <packaging>jar</packaging>
     <name>easyexcel</name>
 
diff --git a/src/main/java/com/alibaba/excel/ExcelReader.java b/src/main/java/com/alibaba/excel/ExcelReader.java
index a04a832..bba06b0 100644
--- a/src/main/java/com/alibaba/excel/ExcelReader.java
+++ b/src/main/java/com/alibaba/excel/ExcelReader.java
@@ -49,7 +49,6 @@ public class ExcelReader {
     }
 
     /**
-     * old 1.1.0
      * @param param
      * @param eventListener
      */
diff --git a/src/main/java/com/alibaba/excel/support/ExcelTypeEnum.java b/src/main/java/com/alibaba/excel/support/ExcelTypeEnum.java
index 8ba87fe..e010210 100644
--- a/src/main/java/com/alibaba/excel/support/ExcelTypeEnum.java
+++ b/src/main/java/com/alibaba/excel/support/ExcelTypeEnum.java
@@ -28,7 +28,8 @@ public enum ExcelTypeEnum {
     }
     public static ExcelTypeEnum valueOf(InputStream inputStream){
         try {
-            FileMagic fileMagic =  FileMagic.valueOf(inputStream);
+            InputStream in = FileMagic.prepareToCheckMagic(inputStream);
+            FileMagic fileMagic =  FileMagic.valueOf(in);
             if(FileMagic.OLE2.equals(fileMagic)){
                 return XLS;
             }