diff --git a/littleApp_child/pages/childcare_knowledge/childcare_knowledge.wxss b/littleApp_child/pages/childcare_knowledge/childcare_knowledge.wxss
index f873ef0..7cc567f 100644
--- a/littleApp_child/pages/childcare_knowledge/childcare_knowledge.wxss
+++ b/littleApp_child/pages/childcare_knowledge/childcare_knowledge.wxss
@@ -142,7 +142,7 @@
 }
 
 .icon_refresh {
-    position: absolute;
+position: fixed;
     width: 50px;
     height: 50px;
     right: 20px;
diff --git a/littleApp_child/pages/system_notifacations/system_notifacations.wxss b/littleApp_child/pages/system_notifacations/system_notifacations.wxss
index 32212d8..bbbbfbd 100644
--- a/littleApp_child/pages/system_notifacations/system_notifacations.wxss
+++ b/littleApp_child/pages/system_notifacations/system_notifacations.wxss
@@ -173,7 +173,7 @@
 }
 
 .icon_refresh {
-    position: absolute;
+    position: fixed;
     width: 50px;
     height: 50px;
     right: 20px;