fix 修改pom.xml文件，去掉对log4j的依赖

pom.xml

@@ -48,6 +48,10 @@
                     <groupId>org.slf4j</groupId>
                     <artifactId>jul-to-slf4j</artifactId>
                 </exclusion>
+                <exclusion>
+                    <artifactId>log4j-over-slf4j</artifactId>
+                    <groupId>org.slf4j</groupId>
+                </exclusion>
 
             </exclusions>
         </dependency>
@@ -114,6 +118,12 @@
             <groupId>net.sourceforge.jexcelapi</groupId>
             <artifactId>jxl</artifactId>
             <version>2.6.12</version>
+            <exclusions>
+                <exclusion>
+                    <artifactId>log4j</artifactId>
+                    <groupId>log4j</groupId>
+                </exclusion>
+            </exclusions>
         </dependency>
 
         <dependency>