diff --git a/src/assets/css/main.css b/src/assets/css/main.css
index fddbdaa..f693b47 100644
--- a/src/assets/css/main.css
+++ b/src/assets/css/main.css
@@ -544,14 +544,14 @@ h1, h2, h3, h4, h5, h6 {
 .van-nav-bar {
   position: sticky;
   top: 0;
-  z-index: 10001;
+  z-index: 998;
 }
 
 .van-notice-bar {
   position: sticky;
   top: 78px;
   font-size: 18px;
-  z-index: 10000;
+  z-index: 997;
 }
 
 .van-popup.van-toast {
diff --git a/src/assets/sass/layout/_layout.scss b/src/assets/sass/layout/_layout.scss
index 0ceec24..51bd94c 100644
--- a/src/assets/sass/layout/_layout.scss
+++ b/src/assets/sass/layout/_layout.scss
@@ -8,17 +8,16 @@
 .van-nav-bar{
     position: sticky;
     top:0;
-    z-index: 10001;
+    z-index: 998;
 }
 
 .van-notice-bar{
     position: sticky;
     top:78px;
     font-size: 18px;
-    z-index: 10000;
+    z-index: 997;
 }
 
-
 .van-popup{
     &.van-toast{
         display: flex;