diff --git a/resources/icon.icns b/resources/icon.icns
index b957d90..5d36b24 100644
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diff --git a/resources/icons/QIDISlicer-gcodeviewer.ico b/resources/icons/QIDISlicer-gcodeviewer.ico
index 7c01cb5..8400e79 100644
Binary files a/resources/icons/QIDISlicer-gcodeviewer.ico and b/resources/icons/QIDISlicer-gcodeviewer.ico differ
diff --git a/resources/icons/QIDISlicer-gcodeviewer.png b/resources/icons/QIDISlicer-gcodeviewer.png
index 39f39ce..2b46146 100644
Binary files a/resources/icons/QIDISlicer-gcodeviewer.png and b/resources/icons/QIDISlicer-gcodeviewer.png differ
diff --git a/resources/icons/QIDISlicer-gcodeviewer.svg b/resources/icons/QIDISlicer-gcodeviewer.svg
index 1593270..fd1072b 100644
--- a/resources/icons/QIDISlicer-gcodeviewer.svg
+++ b/resources/icons/QIDISlicer-gcodeviewer.svg
@@ -1,56 +1,20 @@
 <?xml version="1.0" encoding="utf-8"?>
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-<svg version="1.1" id="图层_2" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
+<svg version="1.1" id="图层_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
 	 viewBox="0 0 256 256" enable-background="new 0 0 256 256" xml:space="preserve">
 <g>
-	<path fill="#4479FB" d="M196,256H60c-33.1,0-60-26.9-60-60V60C0,26.9,26.9,0,60,0h136c33.1,0,60,26.9,60,60v136
-		C256,229.1,229.1,256,196,256z"/>
-</g>
-<g>
-	<path fill="#FFFFFF" d="M194.5,188.5c-7.6-3.5-15-7.5-22.2-11.8c-6.8-4.2-13.1-8.5-18.7-12.9c17.1-13.5,23.2-36.1,13.2-56.7
-		c-12.7-26.1-46.3-39.2-75.2-29.1c-31.6,11-41,43-25.8,68.7c-48.2-53.1,7.3-123.8,85-99.8c26.2,8.1,48.9,25.8,60.8,50.2
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-</g>
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-	<path fill="#FFFFFF" d="M34.7,158.5c17.6,36.2,59,57.6,100.3,54.8c-16.2-6.1-32-16-45-29c-7.8-7.8-13.8-16-18.2-24.2
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-</g>
-<g>
-	<path fill="#FFFFFF" d="M234.5,206.6c-28.2,6.1-68-4.1-97.8-26.7c-35.1-26.6-43.5-60.9-19.9-78.1c-8,18.8,7,47.1,40.6,71.4
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-</g>
-<g>
-	<path fill="#FFFFFF" d="M187.4,212.9c-29.6,5.2-68.1-7.9-94.8-34.2c-33-32.6-35.5-73.3-5.5-90.8c12-7,27.4-9.2,43.6-7.3
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+	<path fill="#FFFFFF" d="M60,252c-30.9,0-56-25.1-56-56V60C4,29.1,29.1,4,60,4h136c30.9,0,56,25.1,56,56v136c0,30.9-25.1,56-56,56
+		H60z"/>
+	<g>
+		<path fill="#303AB2" d="M196,8c28.7,0,52,23.3,52,52v136c0,28.7-23.3,52-52,52H60c-28.7,0-52-23.3-52-52V60C8,31.3,31.3,8,60,8
+			H196 M196,0H60C26.9,0,0,26.9,0,60v136c0,33.1,26.9,60,60,60h136c33.1,0,60-26.9,60-60V60C256,26.9,229.1,0,196,0L196,0z"/>
+	</g>
 </g>
+<path fill="#303AB2" d="M145,177.9v-13.2v-21.3c0-2.3,1.2-4.5,3.2-5.6l28.3-16.3l13-7.5V93c0-4.6-2.5-8.9-6.5-11.2l-57.8-33.4
+	c-4-2.3-8.9-2.3-13,0L54.5,81.8c-4,2.3-6.5,6.6-6.5,11.2v66.7c0,4.6,2.5,8.9,6.5,11.2l57.8,33.4c4,2.3,8.9,2.3,13,0l19.7-11.4l0,0
+	V177.9z M125.2,115.2c-4,2.3-6.5,6.6-6.5,11.2v55.4c0,5-5.4,8.1-9.7,5.6l-44.8-25.9c-2-1.2-3.2-3.3-3.2-5.6V96.7
+	c0-2.3,1.2-4.5,3.2-5.6l51.3-29.6c2-1.2,4.5-1.2,6.5,0l38.3,22.1c4.3,2.5,4.3,8.7,0,11.2L125.2,115.2z"/>
+<path fill="#303AB2" d="M198.3,108.9l-8.8,5.1v18.2v1.8v22.1v7.5c0,2.3-1.2,4.4-3.2,5.5l0,0l-0.7,0.4l-0.9,0.5l-8.1,4.7l-5.2,3
+	L145,192.9l0,0v6.4v3.1v0.1c0,0,0,0,0,0v0.4c0.1,4.8,5.2,7.9,9.5,5.7l0.2-0.1l5.2-3l44.9-26c2-1.2,3.2-3.3,3.2-5.6v-59.4
+	C208,109.5,202.6,106.4,198.3,108.9z"/>
 </svg>
diff --git a/resources/icons/QIDISlicer-gcodeviewer_128px.png b/resources/icons/QIDISlicer-gcodeviewer_128px.png
index 8bca3a6..ceaffc8 100644
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diff --git a/resources/icons/QIDISlicer-gcodeviewer_192px.png b/resources/icons/QIDISlicer-gcodeviewer_192px.png
index 5411832..f0039fc 100644
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diff --git a/resources/icons/QIDISlicer-gcodeviewer_32px.png b/resources/icons/QIDISlicer-gcodeviewer_32px.png
index 3749b51..61722dd 100644
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diff --git a/resources/icons/QIDISlicer-mac_128px.png b/resources/icons/QIDISlicer-mac_128px.png
index 8bca3a6..ceaffc8 100644
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diff --git a/resources/icons/QIDISlicer.icns b/resources/icons/QIDISlicer.icns
index b957d90..5d36b24 100644
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diff --git a/resources/icons/QIDISlicer.ico b/resources/icons/QIDISlicer.ico
index 7c01cb5..8400e79 100644
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diff --git a/resources/icons/QIDISlicer.png b/resources/icons/QIDISlicer.png
index 39f39ce..2b46146 100644
Binary files a/resources/icons/QIDISlicer.png and b/resources/icons/QIDISlicer.png differ
diff --git a/resources/icons/QIDISlicer.svg b/resources/icons/QIDISlicer.svg
index 1593270..fd1072b 100644
--- a/resources/icons/QIDISlicer.svg
+++ b/resources/icons/QIDISlicer.svg
@@ -1,56 +1,20 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- Generator: Adobe Illustrator 25.0.0, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
-<svg version="1.1" id="图层_2" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
+<svg version="1.1" id="图层_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
 	 viewBox="0 0 256 256" enable-background="new 0 0 256 256" xml:space="preserve">
 <g>
-	<path fill="#4479FB" d="M196,256H60c-33.1,0-60-26.9-60-60V60C0,26.9,26.9,0,60,0h136c33.1,0,60,26.9,60,60v136
-		C256,229.1,229.1,256,196,256z"/>
-</g>
-<g>
-	<path fill="#FFFFFF" d="M194.5,188.5c-7.6-3.5-15-7.5-22.2-11.8c-6.8-4.2-13.1-8.5-18.7-12.9c17.1-13.5,23.2-36.1,13.2-56.7
-		c-12.7-26.1-46.3-39.2-75.2-29.1c-31.6,11-41,43-25.8,68.7c-48.2-53.1,7.3-123.8,85-99.8c26.2,8.1,48.9,25.8,60.8,50.2
-		C227.4,129.7,219.5,165.3,194.5,188.5z"/>
-</g>
-<g>
-	<path fill="#FFFFFF" d="M34.7,158.5c17.6,36.2,59,57.6,100.3,54.8c-16.2-6.1-32-16-45-29c-7.8-7.8-13.8-16-18.2-24.2
-		c-9.1-6.3-16.9-14.3-23-23.6C37.5,118.9,34.6,99.6,39,82C24.6,104.1,21.9,132.2,34.7,158.5L34.7,158.5z"/>
-</g>
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-	<path fill="#FFFFFF" d="M234.5,206.6c-28.2,6.1-68-4.1-97.8-26.7c-35.1-26.6-43.5-60.9-19.9-78.1c-8,18.8,7,47.1,40.6,71.4
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-</g>
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-	<path fill="#FFFFFF" d="M187.4,212.9c-29.6,5.2-68.1-7.9-94.8-34.2c-33-32.6-35.5-73.3-5.5-90.8c12-7,27.4-9.2,43.6-7.3
-		c-4.7,1.3-9.2,3.1-13.2,5.4c-30,17.5-26.8,58.9,7.2,92.4C142.6,196.1,165.4,208.1,187.4,212.9L187.4,212.9z"/>
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+	<path fill="#FFFFFF" d="M60,252c-30.9,0-56-25.1-56-56V60C4,29.1,29.1,4,60,4h136c30.9,0,56,25.1,56,56v136c0,30.9-25.1,56-56,56
+		H60z"/>
+	<g>
+		<path fill="#303AB2" d="M196,8c28.7,0,52,23.3,52,52v136c0,28.7-23.3,52-52,52H60c-28.7,0-52-23.3-52-52V60C8,31.3,31.3,8,60,8
+			H196 M196,0H60C26.9,0,0,26.9,0,60v136c0,33.1,26.9,60,60,60h136c33.1,0,60-26.9,60-60V60C256,26.9,229.1,0,196,0L196,0z"/>
+	</g>
 </g>
+<path fill="#303AB2" d="M145,177.9v-13.2v-21.3c0-2.3,1.2-4.5,3.2-5.6l28.3-16.3l13-7.5V93c0-4.6-2.5-8.9-6.5-11.2l-57.8-33.4
+	c-4-2.3-8.9-2.3-13,0L54.5,81.8c-4,2.3-6.5,6.6-6.5,11.2v66.7c0,4.6,2.5,8.9,6.5,11.2l57.8,33.4c4,2.3,8.9,2.3,13,0l19.7-11.4l0,0
+	V177.9z M125.2,115.2c-4,2.3-6.5,6.6-6.5,11.2v55.4c0,5-5.4,8.1-9.7,5.6l-44.8-25.9c-2-1.2-3.2-3.3-3.2-5.6V96.7
+	c0-2.3,1.2-4.5,3.2-5.6l51.3-29.6c2-1.2,4.5-1.2,6.5,0l38.3,22.1c4.3,2.5,4.3,8.7,0,11.2L125.2,115.2z"/>
+<path fill="#303AB2" d="M198.3,108.9l-8.8,5.1v18.2v1.8v22.1v7.5c0,2.3-1.2,4.4-3.2,5.5l0,0l-0.7,0.4l-0.9,0.5l-8.1,4.7l-5.2,3
+	L145,192.9l0,0v6.4v3.1v0.1c0,0,0,0,0,0v0.4c0.1,4.8,5.2,7.9,9.5,5.7l0.2-0.1l5.2-3l44.9-26c2-1.2,3.2-3.3,3.2-5.6v-59.4
+	C208,109.5,202.6,106.4,198.3,108.9z"/>
 </svg>
diff --git a/resources/icons/QIDISlicer_128px.png b/resources/icons/QIDISlicer_128px.png
index 8bca3a6..ceaffc8 100644
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diff --git a/resources/icons/QIDISlicer_192px.png b/resources/icons/QIDISlicer_192px.png
index 5411832..f0039fc 100644
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diff --git a/resources/icons/QIDISlicer_192px_grayscale-gcodeviewer.png b/resources/icons/QIDISlicer_192px_grayscale-gcodeviewer.png
index 92e9fd4..f0039fc 100644
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diff --git a/resources/icons/QIDISlicer_192px_grayscale.png b/resources/icons/QIDISlicer_192px_grayscale.png
index 92e9fd4..f0039fc 100644
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diff --git a/resources/icons/QIDISlicer_192px_transparent-gcodeviewer.png b/resources/icons/QIDISlicer_192px_transparent-gcodeviewer.png
index 9b9fdfe..1b0acc4 100644
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diff --git a/resources/icons/QIDISlicer_192px_transparent.png b/resources/icons/QIDISlicer_192px_transparent.png
index 9b9fdfe..1b0acc4 100644
Binary files a/resources/icons/QIDISlicer_192px_transparent.png and b/resources/icons/QIDISlicer_192px_transparent.png differ
diff --git a/resources/icons/QIDISlicer_32px.png b/resources/icons/QIDISlicer_32px.png
index 3749b51..61722dd 100644
Binary files a/resources/icons/QIDISlicer_32px.png and b/resources/icons/QIDISlicer_32px.png differ
diff --git a/resources/icons/QIDI_Back.png b/resources/icons/QIDI_Back.png
index aee931e..6b54bb5 100644
Binary files a/resources/icons/QIDI_Back.png and b/resources/icons/QIDI_Back.png differ
diff --git a/resources/icons/user_dark.png b/resources/icons/user_dark.png
index f563142..2998f65 100644
Binary files a/resources/icons/user_dark.png and b/resources/icons/user_dark.png differ
diff --git a/resources/web/guide/img/QIDILink.png b/resources/web/guide/img/QIDILink.png
index 447d06d..a3cc346 100644
Binary files a/resources/web/guide/img/QIDILink.png and b/resources/web/guide/img/QIDILink.png differ
diff --git a/resources/web/guide/img/logo.png b/resources/web/guide/img/logo.png
index 994d0c9..1b98494 100644
Binary files a/resources/web/guide/img/logo.png and b/resources/web/guide/img/logo.png differ
diff --git a/resources/web/qidi/css/home.css b/resources/web/qidi/css/home.css
index e5bc468..78bf815 100644
--- a/resources/web/qidi/css/home.css
+++ b/resources/web/qidi/css/home.css
@@ -4,6 +4,7 @@ body {
 	align-items: center;
 	/* ÈÃÒ³ÃæÕ¼ä¯ÀÀÆ÷¿ÉÊÓÇøÓòµÄ¸ß¶È */
 	height: 100vh;
+	background:  #EEEEEE;
 }
 
 #GifBoard {
diff --git a/resources/web/qidi/link_connection.png b/resources/web/qidi/link_connection.png
index 31ea4fb..a3cc346 100644
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diff --git a/resources/web/qidi/setup_connection.gif b/resources/web/qidi/setup_connection.gif
index 9e1f772..12ec985 100644
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