diff --git a/core/src/main/res/drawable-nodpi/xiaogou_bg1.jpg b/core/src/main/res/drawable-nodpi/xiaogou_bg1.jpg
deleted file mode 100644
index eff93d6..0000000
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diff --git a/core/src/main/res/drawable-nodpi/xiaogou_bg1.webp b/core/src/main/res/drawable-nodpi/xiaogou_bg1.webp
new file mode 100644
index 0000000..55ed2e5
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