diff --git a/src/assets/images/home/gridGreen.png b/src/assets/images/home/gridGreen.png
index bd0089d35..08762a914 100644
Binary files a/src/assets/images/home/gridGreen.png and b/src/assets/images/home/gridGreen.png differ
diff --git a/src/assets/images/home/gridRed.png b/src/assets/images/home/gridRed.png
index 86bff43c6..32a731d58 100644
Binary files a/src/assets/images/home/gridRed.png and b/src/assets/images/home/gridRed.png differ
diff --git a/src/assets/images/home/gridYellow.png b/src/assets/images/home/gridYellow.png
index 0e8b94604..48e6e2b23 100644
Binary files a/src/assets/images/home/gridYellow.png and b/src/assets/images/home/gridYellow.png differ
diff --git a/src/components/GridTree/nodeWrap.vue b/src/components/GridTree/nodeWrap.vue
index 2032ddd83..24f2c1332 100644
--- a/src/components/GridTree/nodeWrap.vue
+++ b/src/components/GridTree/nodeWrap.vue
@@ -263,16 +263,19 @@ export default {
     @include lastLevel;
     background-image: url(~@/assets/images/home/gridGreen.png);
     background-repeat: no-repeat;
+    background-size: 100% 100%;
   }
   .dyzxhRed {
     @include lastLevel;
     background-image: url(~@/assets/images/home/gridRed.png);
     background-repeat: no-repeat;
+    background-size: 100% 100%;
   }
   .dyzxhYellow {
     @include lastLevel;
     background-image: url(~@/assets/images/home/gridYellow.png);
     background-repeat: no-repeat;
+    background-size: 100% 100%;
   }
   .lxjt {
     @include spanLevel;