diff --git a/application/config.ini b/application/config.ini
index 19e5716e..d54a1307 100755
--- a/application/config.ini
+++ b/application/config.ini
@@ -19,10 +19,9 @@ temp.path=/tmp/
 upload=../data/upload/
 
 paths.newsletter=images/newsletter/
-logging.file = /var/www/test.westgis.ac.cn/data/logs/debug.log
 page.limit=10
 import.dir=../data/import
-title.site=寒区旱区科学数据中心
+title.site=中国特殊环境监测网
 title.data=数据产品
 title.heihe=黑河计划数据管理中心
 title.yrnmr=黄河上游宁蒙河段综合数据
diff --git a/data/images/westdc-new-logo.xcf b/data/images/westdc-new-logo.xcf
index 642d50c7..7a7a3a59 100644
Binary files a/data/images/westdc-new-logo.xcf and b/data/images/westdc-new-logo.xcf differ
diff --git a/htdocs/images/westdc-logo-1.png b/htdocs/images/westdc-logo-1.png
index 003aa0dc..86e090c7 100644
Binary files a/htdocs/images/westdc-logo-1.png and b/htdocs/images/westdc-logo-1.png differ