diff --git a/.obsidian/app.json b/.obsidian/app.json
index fbdce70..c697831 100644
--- a/.obsidian/app.json
+++ b/.obsidian/app.json
@@ -1,7 +1,7 @@
 {
   "promptDelete": false,
   "newLinkFormat": "relative",
-  "attachmentFolderPath": "./assets/Tutorial on Diffusion Models for Imaging and Vision",
+  "attachmentFolderPath": "./assets/Loss",
   "showUnsupportedFiles": false,
   "newFileLocation": "current",
   "useMarkdownLinks": true,
diff --git a/.obsidian/workspace.json b/.obsidian/workspace.json
index 097f98b..487c4f4 100644
--- a/.obsidian/workspace.json
+++ b/.obsidian/workspace.json
@@ -13,24 +13,13 @@
             "state": {
               "type": "markdown",
               "state": {
-                "file": "Paper/Diffusion/Tutorial on Diffusion Models for Imaging and Vision.md",
+                "file": "Record/DL/Loss.md",
                 "mode": "source",
                 "source": false
               }
             }
-          },
-          {
-            "id": "82136aebac5036ea",
-            "type": "leaf",
-            "state": {
-              "type": "release-notes",
-              "state": {
-                "currentVersion": "1.5.12"
-              }
-            }
           }
-        ],
-        "currentTab": 1
+        ]
       }
     ],
     "direction": "vertical"
@@ -104,7 +93,7 @@
             "state": {
               "type": "backlink",
               "state": {
-                "file": "Paper/Diffusion/Tutorial on Diffusion Models for Imaging and Vision.md",
+                "file": "Record/DL/Loss.md",
                 "collapseAll": false,
                 "extraContext": false,
                 "sortOrder": "alphabetical",
@@ -121,7 +110,7 @@
             "state": {
               "type": "outgoing-link",
               "state": {
-                "file": "Paper/Diffusion/Tutorial on Diffusion Models for Imaging and Vision.md",
+                "file": "Record/DL/Loss.md",
                 "linksCollapsed": false,
                 "unlinkedCollapsed": true
               }
@@ -144,7 +133,7 @@
             "state": {
               "type": "outline",
               "state": {
-                "file": "Paper/Diffusion/Tutorial on Diffusion Models for Imaging and Vision.md"
+                "file": "Record/DL/Loss.md"
               }
             }
           },
@@ -184,10 +173,14 @@
       "obsidian-excalidraw-plugin:Create new drawing": false
     }
   },
-  "active": "82136aebac5036ea",
+  "active": "58e6699d854e8535",
   "lastOpenFiles": [
-    "Paper/Diffusion/Imagic.md",
     "Paper/Diffusion/Tutorial on Diffusion Models for Imaging and Vision.md",
+    "Record/DL/Loss.md",
+    "Record/DL",
+    "Record/Untitled.md",
+    "Paper/Diffusion/Imagic.md",
+    "Paper/Diffusion/Diffusion Models： A Comprehensive Survey of Methods and Applications.md",
     "Excalidraw/Drawing 2024-04-25 22.51.48.excalidraw.md",
     "Excalidraw",
     "Paper/Diffusion/assets/Imagic/img-240425225015478.png",
@@ -199,7 +192,6 @@
     "Books/代码随想录/数组.md",
     "Books/代码随想录",
     "Books/Untitled.md",
-    "Paper/Diffusion/Diffusion Models： A Comprehensive Survey of Methods and Applications.md",
     "Study/DL/动手学深度学习",
     "Paper/Untitled.md",
     "Paper/Diffusion",
@@ -213,15 +205,12 @@
     "Books/HDLBits/Verilog.md",
     "Paper",
     "Record/Linux/常用软件.md",
-    "Record/Linux",
     "Books/编译原理/Overview.md",
     "Study/DL/吴恩达深度学习课程/Lesson 1.md",
     "Books/未命名.md",
     "Study/DL/吴恩达深度学习课程/Other.md",
     "Books/Java Guide/基础语法.md",
     "Books/Java并发编程/Java并发编程.md",
-    "Books/从零开始深入学习Spring/IoC.md",
-    "Books/Vim实用技巧/一、入门导读.md",
-    "Temp/Interview.md"
+    "Books/从零开始深入学习Spring/IoC.md"
   ]
 }
\ No newline at end of file
diff --git a/Record/DL/Loss.md b/Record/DL/Loss.md
new file mode 100644
index 0000000..1276eee
--- /dev/null
+++ b/Record/DL/Loss.md
@@ -0,0 +1 @@
+# KL散度