diff --git a/scss/_utilities.scss b/scss/_utilities.scss
index 0dc80bcb..2c5894b2 100644
--- a/scss/_utilities.scss
+++ b/scss/_utilities.scss
@@ -1476,7 +1476,7 @@
     word-wrap: break-word;
 }
 
-@keyframes resizeSensor {
+@keyframes apearSensor {
     from {
         opacity: 0;
     }
diff --git a/scss/layout/_layout.scss b/scss/layout/_layout.scss
index 79933443..7c8b0262 100644
--- a/scss/layout/_layout.scss
+++ b/scss/layout/_layout.scss
@@ -130,7 +130,6 @@ body {
 
     &-content {
         height: 100%;
-        position: relative;
         @include clearfix();
     }
 
diff --git a/src/utils/resize-sensor.ts b/src/utils/resize-sensor.ts
index cf3eb8a1..6864148d 100644
--- a/src/utils/resize-sensor.ts
+++ b/src/utils/resize-sensor.ts
@@ -53,7 +53,7 @@ function attachResizeEvent(element: HTMLElement, resized: Function) {
   <div class="resize-sensor-shrink" style="${style}">
     <div style="${styleChild} width: 200%; height: 200%"></div>
   </div>
-  <div class="resize-sensor-appear" style="${style}animation-name: resizeSensor; animation-duration: 0.2s;"></div>`;
+  <div class="resize-sensor-appear" style="${style}animation-name: apearSensor; animation-duration: 0.2s;"></div>`;
   // 要定义 resizeSensor 这个动画，靠这个监听出现。
   element.appendChild(resizeSensor);