diff --git a/package.json b/package.json
index 0be3075..d136b15 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
     "vuepress-plugin-one-click-copy": "^1.0.2",
     "vuepress-plugin-thirdparty-search": "^1.0.2",
     "vuepress-plugin-zooming": "^1.1.7",
-    "vuepress-theme-vdoing": "^1.12.3",
+    "vuepress-theme-vdoing": "^1.12.4",
     "yamljs": "^0.3.0"
   }
 }
diff --git a/vdoing/components/Home.vue b/vdoing/components/Home.vue
index 7eececa..9d229ba 100644
--- a/vdoing/components/Home.vue
+++ b/vdoing/components/Home.vue
@@ -224,7 +224,7 @@ export default {
         } else {
           return 'background: var(--mainBg);color: var(--textColor)'
         }
-      } else if (bannerBg.indexOf('background') > -1) { // 自定义背景样式
+      } else if (bannerBg.indexOf('background:') > -1) { // 自定义背景样式
         return bannerBg
       } else if (bannerBg.indexOf('.') > -1) { // 大图
         return `background: url(${this.$withBase(bannerBg)}) center center / cover no-repeat`
diff --git a/vdoing/package.json b/vdoing/package.json
index d6d2d35..5360cfc 100644
--- a/vdoing/package.json
+++ b/vdoing/package.json
@@ -1,6 +1,6 @@
 {
   "name": "vuepress-theme-vdoing",
-  "version": "1.12.3",
+  "version": "1.12.4",
   "description": "Vdoing theme for VuePress. 一个基于VuePress的知识管理兼博客主题。",
   "author": {
     "name": "gaoyi(Evan) Xu"