diff --git a/.gitmodules b/.gitmodules
index 82e4018c..ab412d3b 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,43 +1,47 @@
-[submodule "tools/rust-course"]
-	path = tools/rust-course
-	url = https://github.com/sunface/rust-course.git
-	branch = gh-pages
-[submodule "tools/rusty-book"]
-	path = tools/rusty-book
-	url = https://github.com/rustlang-cn/rusty-book.git
-	branch = gh-pages
-[submodule "tools/keyboard-mouse-tester"]
-	path = tools/keyboard-mouse-tester
-	url = https://github.com/shawon9324/keyboard-mouse-tester-webApp.git
-	branch = main
-[submodule "tools/ide"]
-	path = tools/ide
-	url = https://github.com/judge0/ide.git
-	branch = master
-[submodule "tools/mind-map"]
-	path = tools/mind-map
-	url = https://github.com/wanglin2/mind-map.git
-	branch = main
-[submodule "tools/webp2jpg-online"]
-	path = tools/webp2jpg-online
-	url = https://github.com/renzhezhilu/webp2jpg-online.git
-[submodule "tools/Universal-LPC-Spritesheet-Character-Generator"]
-	path = tools/Universal-LPC-Spritesheet-Character-Generator
-	url = https://github.com/sanderfrenken/Universal-LPC-Spritesheet-Character-Generator.git
-	branch = master
-[submodule "tools/Black_screen"]
-	path = tools/Black_screen
-	url = https://github.com/PJ-568/Black_screen.git
-	branch = min
-[submodule "tools/Base64"]
-	path = tools/Base64
-	url = https://github.com/SFantasy/Base64.git
-	branch = gh-pages
-[submodule "tools/Base64_converter"]
-	path = tools/Base64_converter
-	url = https://github.com/rossy/base64.git
-	branch = gh-pages
-[submodule "tools/Hamud_Book"]
-	path = tools/Hamud_Book
-	url = https://github.com/Hamud-Lang/Hamud_Book.git
+[submodule "tools/rust-course"]
+	path = tools/rust-course
+	url = https://github.com/sunface/rust-course.git
+	branch = gh-pages
+[submodule "tools/rusty-book"]
+	path = tools/rusty-book
+	url = https://github.com/rustlang-cn/rusty-book.git
+	branch = gh-pages
+[submodule "tools/keyboard-mouse-tester"]
+	path = tools/keyboard-mouse-tester
+	url = https://github.com/shawon9324/keyboard-mouse-tester-webApp.git
+	branch = main
+[submodule "tools/ide"]
+	path = tools/ide
+	url = https://github.com/judge0/ide.git
+	branch = master
+[submodule "tools/mind-map"]
+	path = tools/mind-map
+	url = https://github.com/wanglin2/mind-map.git
+	branch = main
+[submodule "tools/webp2jpg-online"]
+	path = tools/webp2jpg-online
+	url = https://github.com/renzhezhilu/webp2jpg-online.git
+[submodule "tools/Universal-LPC-Spritesheet-Character-Generator"]
+	path = tools/Universal-LPC-Spritesheet-Character-Generator
+	url = https://github.com/sanderfrenken/Universal-LPC-Spritesheet-Character-Generator.git
+	branch = master
+[submodule "tools/Black_screen"]
+	path = tools/Black_screen
+	url = https://github.com/PJ-568/Black_screen.git
+	branch = min
+[submodule "tools/Base64"]
+	path = tools/Base64
+	url = https://github.com/SFantasy/Base64.git
+	branch = gh-pages
+[submodule "tools/Base64_converter"]
+	path = tools/Base64_converter
+	url = https://github.com/rossy/base64.git
+	branch = gh-pages
+[submodule "tools/Hamud_Book"]
+	path = tools/Hamud_Book
+	url = https://github.com/Hamud-Lang/Hamud_Book.git
+	branch = gh-pages
+[submodule "tools/dwv"]
+	path = tools/dwv
+	url = https://github.com/ivmartel/dwv.git
 	branch = gh-pages
diff --git a/data.json b/data.json
index e3fa9faa..80753d1f 100644
--- a/data.json
+++ b/data.json
@@ -59,6 +59,11 @@
         "url":"/lib/tools/geopattern/",
         "type":"图像处理"
     },
+    {
+        "name":"在线 DICOM 查看器",
+        "url":"/lib/tools/dwv/demo/stable/viewer.html",
+        "type":"图像处理"
+    },
     {
         "name":"在线 PS 编辑图像",
         "url":"/lib/tools/Open-Photopea/",
diff --git a/js/api.js b/js/api.js
index 355c8c73..972b88f0 100644
--- a/js/api.js
+++ b/js/api.js
@@ -45,6 +45,11 @@ var classify = [{
 		"url": "/incert/?link=/lib/tools/mind-map/",
 		"hot": 1,
 		"img": ""
+	}, {
+		"name": "在线 DICOM 查看器",
+		"url": "/incert/?link=/lib/tools/dwv/demo/stable/viewer.html",
+		"hot": 0,
+		"img": ""
 	}, {
 		"name": "在线图像编辑",
 		"url": "/incert/?link=/lib/tools/PP/",
diff --git a/tools/dwv b/tools/dwv
new file mode 160000
index 00000000..10cf8be7
--- /dev/null
+++ b/tools/dwv
@@ -0,0 +1 @@
+Subproject commit 10cf8be78129b26a3646340f70f415c8f970dab6