bug修复

src/views/allMaterials_appliances_high.vue

 
 <style scoped>
     .pageContent{
-        position: fixed;
+        position: absolute;
         top: 0;
         left: 0;
         width: 7.5rem;

src/views/allMaterials_appliances_standard.vue

 
 <style scoped>
     .pageContent{
-        position: fixed;
+        position: absolute;
         top: 0;
         left: 0;
         width: 7.5rem;

src/views/allMaterials_phone_high.vue

 
 <style scoped>
     .pageContent{
-        position: fixed;
+        position: absolute;
         top: 0;
         left: 0;
         width: 7.5rem;

src/views/allMaterials_phone_standard.vue

 
 <style scoped>
     .pageContent{
-        position: fixed;
+        position: absolute;
         top: 0;
         left: 0;
         width: 7.5rem;