diff --git a/liteyuki/plugins/liteyuki_markdowntest.py b/liteyuki/plugins/liteyuki_markdowntest.py
index d914754..4890ec6 100644
--- a/liteyuki/plugins/liteyuki_markdowntest.py
+++ b/liteyuki/plugins/liteyuki_markdowntest.py
@@ -18,7 +18,6 @@ placeholder = {
         "&": "&",
         ",": ",",
         "\n"   : r"\n",
-        "\""   : r'\\\"'
 }
 
 
diff --git a/liteyuki/plugins/sign_status.py b/liteyuki/plugins/liteyuki_sign_status.py
similarity index 96%
rename from liteyuki/plugins/sign_status.py
rename to liteyuki/plugins/liteyuki_sign_status.py
index 8f77e7b..8204ddb 100644
--- a/liteyuki/plugins/sign_status.py
+++ b/liteyuki/plugins/liteyuki_sign_status.py
@@ -19,7 +19,11 @@ __author__ = "snowykami"
 __plugin_meta__ = PluginMetadata(
     name="签名服务器状态",
     description="适用于ntqq的签名状态查看",
-    usage="",
+    usage=(
+            "sign count 查看当前签名数\n"
+            "sign data 查看签名数变化\n"
+            "sign chart [limit] 查看签名数变化图表\n"
+    ),
     type="application",
     homepage="https://github.com/snowykami/LiteyukiBot",
     extra={
diff --git a/liteyuki/plugins/liteyuki_statistics/__init__.py b/liteyuki/plugins/liteyuki_statistics/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/liteyuki/resources/vanilla_resource/templates/img/bg1.png b/liteyuki/resources/vanilla_resource/templates/img/bg1.png
deleted file mode 100644
index 1660e98..0000000
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diff --git a/liteyuki/resources/vanilla_resource/templates/img/bg1.webp b/liteyuki/resources/vanilla_resource/templates/img/bg1.webp
new file mode 100644
index 0000000..6c3d925
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diff --git a/liteyuki/resources/vanilla_resource/templates/img/bg2.webp b/liteyuki/resources/vanilla_resource/templates/img/bg2.webp
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index 0000000..8edbe4b
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diff --git a/liteyuki/resources/vanilla_resource/templates/img/bg3.png b/liteyuki/resources/vanilla_resource/templates/img/bg3.png
deleted file mode 100644
index 99031ce..0000000
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diff --git a/liteyuki/resources/vanilla_resource/templates/img/bg3.webp b/liteyuki/resources/vanilla_resource/templates/img/bg3.webp
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index 0000000..c3330c9
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diff --git a/liteyuki/resources/vanilla_resource/templates/img/bg4.png b/liteyuki/resources/vanilla_resource/templates/img/bg4.png
deleted file mode 100644
index fe84af7..0000000
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diff --git a/liteyuki/resources/vanilla_resource/templates/img/bg4.webp b/liteyuki/resources/vanilla_resource/templates/img/bg4.webp
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index 0000000..a3b098a
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diff --git a/liteyuki/resources/vanilla_resource/templates/img/bg5.png b/liteyuki/resources/vanilla_resource/templates/img/bg5.png
deleted file mode 100644
index 210e18f..0000000
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diff --git a/liteyuki/resources/vanilla_resource/templates/img/bg5.webp b/liteyuki/resources/vanilla_resource/templates/img/bg5.webp
new file mode 100644
index 0000000..ab254e4
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diff --git a/liteyuki/resources/vanilla_resource/templates/img/bg6.png b/liteyuki/resources/vanilla_resource/templates/img/bg6.png
deleted file mode 100644
index 36a9752..0000000
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diff --git a/liteyuki/resources/vanilla_resource/templates/img/bg6.webp b/liteyuki/resources/vanilla_resource/templates/img/bg6.webp
new file mode 100644
index 0000000..035d5bf
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diff --git a/liteyuki/resources/vanilla_resource/templates/img/bg7.png b/liteyuki/resources/vanilla_resource/templates/img/bg7.png
deleted file mode 100644
index fc0182c..0000000
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diff --git a/liteyuki/resources/vanilla_resource/templates/img/bg7.webp b/liteyuki/resources/vanilla_resource/templates/img/bg7.webp
new file mode 100644
index 0000000..a1754bb
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diff --git a/liteyuki/resources/vanilla_resource/templates/img/bg9.png b/liteyuki/resources/vanilla_resource/templates/img/bg9.png
deleted file mode 100644
index fe797f8..0000000
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diff --git a/liteyuki/resources/vanilla_resource/templates/js/card.js b/liteyuki/resources/vanilla_resource/templates/js/card.js
index 67a0359..a034cd9 100644
--- a/liteyuki/resources/vanilla_resource/templates/js/card.js
+++ b/liteyuki/resources/vanilla_resource/templates/js/card.js
@@ -1,11 +1,11 @@
 const bgs = [
-    "bg1.png",
-    "bg3.png",
-    "bg4.png",
-    "bg5.png",
-    "bg6.png",
-    "bg7.png",
-    "bg9.png",
+    "bg1.webp",
+    "bg2.webp",
+    "bg3.webp",
+    "bg4.webp",
+    "bg5.webp",
+    "bg6.webp",
+    "bg7.webp",
 ]
 // 随机选择背景图片
 document.body.style.backgroundImage = `url(./img/${bgs[Math.floor(Math.random() * bgs.length)]})`;