chore[litemall-vue, litemall-admin]: 采用相对路径

litemall-admin/config/index.js

@@ -60,7 +60,7 @@ module.exports = {
      * then assetsPublicPath should be set to "/bar/".
      * In most cases please use '/' !!!
      */
-    assetsPublicPath: '/',
+    assetsPublicPath: './',
 
     /**
      * Source Maps

litemall-vue/vue.config.js

@@ -5,6 +5,7 @@ function resolve(dir = '') {
 }
 
 module.exports = {
+  publicPath: './',
   outputDir: 'dist',
   assetsDir: 'static',
   productionSourceMap: false,