diff --git a/src/components/SubNavigation.vue b/src/components/SubNavigation.vue
index 7362075..411c0bc 100644
--- a/src/components/SubNavigation.vue
+++ b/src/components/SubNavigation.vue
@@ -139,6 +139,7 @@ const backPage = () => {
         font-weight: 400;
         color: #000000;
         flex: 1;
+        width: 100vw;
         display: flex;
         align-items: center;
         justify-content: center;
diff --git a/src/components/Top.vue b/src/components/Top.vue
index b0bf4d0..bee148d 100644
--- a/src/components/Top.vue
+++ b/src/components/Top.vue
@@ -168,7 +168,7 @@ const scrollToTop = () => {
         font-family: Alibaba PuHuiTi;
         font-weight: 400;
         color: #000000;
-        width: 100%;
+        width: 100vw;
         flex: 1;
         display: flex;
         align-items: center;