Revert "Revert "指定load图片位置""

This reverts commit 63b40acf94ea5aef9bccdac4786999992423f323.
Revert "Revert "Revert "指定load图片位置"""

This reverts commit 63450c7d3db715d74c7eb971a5c16bacad0f8d51.
js中的地址不使用cdn网络