diff --git a/src/views/index.vue b/src/views/index.vue
index b400ea0..a1699fc 100644
--- a/src/views/index.vue
+++ b/src/views/index.vue
@@ -238,6 +238,11 @@ const handleGoNoticeList = () => {
   text-align: center;
   padding: 38px 40px;
   cursor: pointer;
+
+  .custom-icon {
+    width: 160px;
+    height: 140px;
+  }
 }
 
 .grid-item4-margin {
@@ -304,18 +309,21 @@ const handleGoNoticeList = () => {
   background-image: url("../assets/images/calibrationPlatform.png");
   background-repeat: no-repeat;
   background-position: right bottom;
+  background-size: 160px 140px;
 }
 
 .PPTAnalysisTool {
   background-image: url("../assets/images/PPTAnalysisTool.png");
   background-repeat: no-repeat;
   background-position: right bottom;
+  background-size: 160px 140px;
 }
 
 .longitudeConversion {
   background-image: url("../assets/images/longitudeConversion.png");
   background-repeat: no-repeat;
   background-position: right bottom;
+  background-size: 160px 140px;
 }
 
 .title-label {