diff --git a/plugins/loki/versions/3.5.3/linux.sh b/plugins/loki/versions/3.5.3/linux.sh
index 1e4d2ad46..78bd6b996 100644
--- a/plugins/loki/versions/3.5.3/linux.sh
+++ b/plugins/loki/versions/3.5.3/linux.sh
@@ -47,12 +47,14 @@ Install_App()
 	fi
 
 	if [ ! -f $InstallDir/bin/loki ];then
+		rm -rf ./loki-linux-${ARCH_NAME}
 		cd ${SourceDir} && unzip ${PT_FILE_TGZ}
 		cp -rf ./loki-linux-${ARCH_NAME} ${InstallDir}/bin/loki
 		rm -rf ./loki-linux-${ARCH_NAME}
 	fi
 
 	if [ ! -f $InstallDir/bin/promtail ];then
+		rm -rf ./promtail-linux-${ARCH_NAME}
 		cd ${SourceDir} && unzip ${PT_FILE_TGZ}
 		cp -rf ./promtail-linux-${ARCH_NAME} ${InstallDir}/bin/promtail
 		rm -rf ./promtail-linux-${ARCH_NAME}