修改论坛、促销、登录,增加测试

Change-Id: I71883fc1da46a94db47f90a4cd61474c274a5b2c
diff --git a/src/pages/InterestGroup/InterestGroup.css b/src/pages/InterestGroup/InterestGroup.css
index 35d3c4d..91b21da 100644
--- a/src/pages/InterestGroup/InterestGroup.css
+++ b/src/pages/InterestGroup/InterestGroup.css
@@ -1,6 +1,6 @@
 /* 设置整个兴趣小组页面的背景色和布局 */
 .interest-group-container {
-  background: linear-gradient(180deg, #5F4437, #823c3c);
+  background: #333;
   width: 100%;
   height: 2000px;
 }