diff --git a/css/subject.css b/css/subject.css
index 97b1d26..c7a3d9c 100644
--- a/css/subject.css
+++ b/css/subject.css
@@ -30,6 +30,9 @@
   height: 10px;
   margin: 0 15px;
 }
+.boxbox .tab a {
+  color: #7f7f7f;
+}
 .boxbox .tab .current {
   font-family: "PingFangSC-Semibold", "PingFang SC Semibold", "PingFang SC", sans-serif;
   font-weight: 650;
diff --git a/css/subject.less b/css/subject.less
index 58eb8f5..d14bd9e 100644
--- a/css/subject.less
+++ b/css/subject.less
@@ -29,6 +29,9 @@
             height: 10px;
             margin: 0 15px;
         }
+        a {
+            color: #7f7f7f;
+        }
 
         .current {
             font-family: "PingFangSC-Semibold", "PingFang SC Semibold", "PingFang SC", sans-serif;