修复阿里云导致的重复依赖

litemall-core/pom.xml

@@ -55,6 +55,12 @@
             <groupId>com.aliyun.oss</groupId>
             <artifactId>aliyun-sdk-oss</artifactId>
             <version>2.5.0</version>
+            <exclusions>
+                <exclusion>
+                    <artifactId>commons-lang</artifactId>
+                    <groupId>commons-lang</groupId>
+                </exclusion>
+            </exclusions>
         </dependency>
 
         <dependency>