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new file mode 100644
index 00000000..4f49b59f
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diff --git a/public/picture/bg1.png b/public/picture/bg1.png
new file mode 100644
index 00000000..23d250de
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diff --git a/public/picture/bg2.png b/public/picture/bg2.png
new file mode 100644
index 00000000..a0bc4282
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diff --git a/public/picture/bg3.png b/public/picture/bg3.png
new file mode 100644
index 00000000..ea8d60c0
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diff --git a/public/picture/bg4.png b/public/picture/bg4.png
new file mode 100644
index 00000000..6ab1985c
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diff --git a/public/picture/logo.png b/public/picture/logo.png
new file mode 100644
index 00000000..16966014
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diff --git a/public/picture/tu1.png b/public/picture/tu1.png
new file mode 100644
index 00000000..0aad5b0d
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diff --git a/public/picture/tu2.png b/public/picture/tu2.png
new file mode 100644
index 00000000..16966014
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diff --git a/public/picture/tu3.png b/public/picture/tu3.png
new file mode 100644
index 00000000..b7bb8321
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