diff --git a/.obsidian/config b/.obsidian/config
index da0f7c59..f86b85cb 100644
--- a/.obsidian/config
+++ b/.obsidian/config
@@ -1 +1 @@
-{"theme":"moonstone","pluginEnabledStatus":{"file-explorer":true,"global-search":true,"switcher":true,"graph":true,"backlink":true,"command-palette":true,"markdown-importer":false,"word-count":true,"open-with-default-app":true,"tag-pane":true,"outline":true,"templates":true,"starred":true,"workspaces":true},"obsidianCss":false,"enabledPlugins":["obsidian-hider","obsidian-git","cm-show-whitespace-obsidian","wikilinks-to-mdlinks-obsidian"],"spellcheck":true,"enabledCssSnippets":["Ruby-Interlinear","BG4E"],"hotkeys":{"workspace:split-vertical":[{"modifiers":["Alt"],"key":"v"}],"workspace:split-horizontal":[{"modifiers":["Alt"],"key":"h"}],"app:toggle-left-sidebar":[{"modifiers":["Alt"],"key":"l"}],"app:toggle-right-sidebar":[{"modifiers":["Alt"],"key":"r"}],"editor:save-file":[{"modifiers":["Mod"],"key":"S"}],"editor:swap-line-down":[{"modifiers":["Mod"],"key":"D"}],"editor:swap-line-up":[{"modifiers":["Mod"],"key":"U"}],"editor:toggle-fold":[{"modifiers":["Mod"],"key":"F"}],"editor:toggle-highlight":[{"modifiers":["Mod"],"key":"M"}],"workspace:close":[],"editor:delete-paragraph":[],"editor:insert-link":[],"app:go-back":[{"modifiers":["Alt"],"key":"ArrowLeft"}],"app:go-forward":[{"modifiers":["Alt"],"key":"ArrowRight"}],"switcher:open":[{"modifiers":["Mod"],"key":"Q"}],"obsidian-hider:toggle-hider-status":[{"modifiers":["Alt"],"key":"S"}],"obsidian-hider:toggle-app-ribbon":[{"modifiers":["Alt"],"key":"A"}],"command-palette:open":[{"modifiers":["Mod","Shift"],"key":"P"}],"editor:open-link-in-new-leaf":[],"app:open-settings":[],"editor:toggle-checklist-status":[],"workspace:export-pdf":[{"modifiers":["Mod"],"key":"P"}],"workspace:edit-file-title":[],"editor:follow-link":[],"obsidian-git:push":[{"modifiers":["Mod"],"key":"G"}],"graph:open":[],"editor:unfold-all":[{"modifiers":["Alt","Mod"],"key":"F"}],"wikilinks-to-mdlinks-obsidian:toggle-wiki-md-links":[{"modifiers":["Mod"],"key":"L"}]},"promptDelete":false,"newLinkFormat":"relative","useMarkdownLinks":false,"strictLineBreaks":true,"foldHeading":true,"foldIndent":false,"alwaysUpdateLinks":true,"newFileLocation":"current","attachmentFolderPath":"images","pdfExportSettings":{"pageSize":"A4","landscape":false,"margin":"0","downscalePercent":100},"spellcheckDictionary":["imperfective","Elative","Anaphoric","Epexegetical","Substantival","Ingressive","Aorist","Constative","protasis","stative","apodosis"],"fileSortOrder":"byCreatedTime","showUnsupportedFiles":true,"cssTheme":""}
\ No newline at end of file
+{"theme":"obsidian","pluginEnabledStatus":{"file-explorer":true,"global-search":true,"switcher":true,"graph":true,"backlink":true,"command-palette":true,"markdown-importer":false,"word-count":true,"open-with-default-app":true,"tag-pane":true,"outline":true,"templates":true,"starred":true,"workspaces":true},"obsidianCss":false,"enabledPlugins":["obsidian-hider","obsidian-git","cm-show-whitespace-obsidian","wikilinks-to-mdlinks-obsidian"],"spellcheck":true,"enabledCssSnippets":["Ruby-Interlinear","BG4E"],"hotkeys":{"workspace:split-vertical":[{"modifiers":["Alt"],"key":"v"}],"workspace:split-horizontal":[{"modifiers":["Alt"],"key":"h"}],"app:toggle-left-sidebar":[{"modifiers":["Alt"],"key":"l"}],"app:toggle-right-sidebar":[{"modifiers":["Alt"],"key":"r"}],"editor:save-file":[{"modifiers":["Mod"],"key":"S"}],"editor:swap-line-down":[{"modifiers":["Mod"],"key":"D"}],"editor:swap-line-up":[{"modifiers":["Mod"],"key":"U"}],"editor:toggle-fold":[{"modifiers":["Mod"],"key":"F"}],"editor:toggle-highlight":[{"modifiers":["Mod"],"key":"M"}],"workspace:close":[],"editor:delete-paragraph":[],"editor:insert-link":[],"app:go-back":[{"modifiers":["Alt"],"key":"ArrowLeft"}],"app:go-forward":[{"modifiers":["Alt"],"key":"ArrowRight"}],"switcher:open":[{"modifiers":["Mod"],"key":"Q"}],"obsidian-hider:toggle-hider-status":[{"modifiers":["Alt"],"key":"S"}],"obsidian-hider:toggle-app-ribbon":[{"modifiers":["Alt"],"key":"A"}],"command-palette:open":[{"modifiers":["Mod","Shift"],"key":"P"}],"editor:open-link-in-new-leaf":[],"app:open-settings":[],"editor:toggle-checklist-status":[],"workspace:export-pdf":[{"modifiers":["Mod"],"key":"P"}],"workspace:edit-file-title":[],"editor:follow-link":[],"obsidian-git:push":[{"modifiers":["Mod"],"key":"G"}],"graph:open":[],"editor:unfold-all":[{"modifiers":["Alt","Mod"],"key":"F"}],"wikilinks-to-mdlinks-obsidian:toggle-wiki-md-links":[{"modifiers":["Mod"],"key":"L"}]},"promptDelete":false,"newLinkFormat":"relative","useMarkdownLinks":false,"strictLineBreaks":true,"foldHeading":true,"foldIndent":false,"alwaysUpdateLinks":true,"newFileLocation":"current","attachmentFolderPath":"images","pdfExportSettings":{"pageSize":"A4","landscape":false,"margin":"0","downscalePercent":100},"spellcheckDictionary":["imperfective","Elative","Anaphoric","Epexegetical","Substantival","Ingressive","Aorist","Constative","protasis","stative","apodosis"],"fileSortOrder":"alphabetical","showUnsupportedFiles":true,"cssTheme":""}
\ No newline at end of file
diff --git a/.obsidian/plugins/obsidian-hider/data.json b/.obsidian/plugins/obsidian-hider/data.json
index a448f050..034c6fc4 100644
--- a/.obsidian/plugins/obsidian-hider/data.json
+++ b/.obsidian/plugins/obsidian-hider/data.json
@@ -1 +1 @@
-{"frameless":false,"hideRibbon":false,"hideStatus":true,"hideScroll":false,"hideTooltips":false,"hideInstructions":false,"hideMeta":false}
\ No newline at end of file
+{"frameless":false,"hideRibbon":true,"hideStatus":true,"hideScroll":false,"hideTooltips":false,"hideInstructions":false,"hideMeta":false}
\ No newline at end of file
diff --git a/.obsidian/workspace b/.obsidian/workspace
index 35be0bcd..b5725e7c 100644
--- a/.obsidian/workspace
+++ b/.obsidian/workspace
@@ -10,7 +10,18 @@
         "state": {
           "type": "markdown",
           "state": {
-            "file": "BBG4E/子句結構.md",
+            "file": "IBG4E/HW1-Key.md",
+            "mode": "preview"
+          }
+        }
+      },
+      {
+        "id": "92535c4e144af5a6",
+        "type": "leaf",
+        "state": {
+          "type": "markdown",
+          "state": {
+            "file": "IBG4E/HW1-Key.md",
             "mode": "preview"
           }
         }
@@ -78,7 +89,7 @@
             "state": {
               "type": "backlink",
               "state": {
-                "file": "BBG4E/子句結構.md",
+                "file": "IBG4E/HW1-Key.md",
                 "collapseAll": false,
                 "extraContext": false,
                 "sortOrder": "alphabetical",
@@ -104,7 +115,7 @@
             "state": {
               "type": "outline",
               "state": {
-                "file": "BBG4E/子句結構.md"
+                "file": "IBG4E/HW1-Key.md"
               }
             }
           },
@@ -125,15 +136,15 @@
     "collapsed": true
   },
   "lastOpenFiles": [
+    "IBG4E/HW1-Key.md",
+    "IBG4E/2021-CTTS.md",
     "BBG4E/子句結構.md",
     "IBG4E/Untitled 2.md",
     "easily confused words.md",
-    "IBG4E/HW1-Key.md",
     "Syntax/IBG4E-Syntax.md",
     "Syntax/#3 類條件句.md",
     "IBG4E/Untitled 1.md",
     "IBG4E/#3 類條件句.md",
-    "IBG4E/2021-CTTS.md",
     "IBG4E/HW1.md"
   ]
 }
\ No newline at end of file