diff --git a/litemall-os-api/pom.xml b/litemall-os-api/pom.xml
index 10c70c57..d3d718bb 100644
--- a/litemall-os-api/pom.xml
+++ b/litemall-os-api/pom.xml
@@ -26,6 +26,12 @@
             <groupId>com.qcloud</groupId>
             <artifactId>cos_api</artifactId>
             <version>5.4.4</version>
+            <exclusions>
+                <exclusion>
+                    <artifactId>slf4j-log4j12</artifactId>
+                    <groupId>org.slf4j</groupId>
+                </exclusion>
+            </exclusions>
         </dependency>
 
         <dependency>