diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index 352b425..cdfb4d2 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -13,47 +13,38 @@
             "settings": {},
             "extensions": [
                 "vscode-icons-team.vscode-icons",
-
                 "tomoki1207.pdf",
-
                 "editorconfig.editorconfig",
                 "medo64.render-crlf",
                 "oderwat.indent-rainbow",
-
                 "mhutchie.git-graph",
+                "GuodongSun.vscode-git-cruise",
                 "donjayamanne.githistory",
                 "waderyan.gitblame",
                 "solomonkinard.git-blame",
                 "david-rickard.git-diff-and-merge-tool",
                 "srmeyers.git-prefix",
                 "adam-bender.commit-message-editor",
-
                 "danlevett.pattern-links",
-
                 "alefragnani.bookmarks",
                 "gruntfuggly.todo-tree",
-
                 "ms-vscode-remote.remote-containers",
                 "ms-azuretools.vscode-docker",
-
                 "rssowl.copy-relative-path-posix",
                 "brokensandals.paste-relative-path",
-
                 "ms-python.python",
-
                 "lextudio.restructuredtext",
                 "trond-snekvik.simple-rst",
-
                 "actboy168.tasks",
                 "forbeslindesay.forbeslindesay-taskrunner",
-
                 "dendron.dendron-paste-image",
                 "rulyotano.tree-extended",
-
                 "hediet.vscode-drawio",
                 "jebbs.plantuml",
                 "bierner.markdown-mermaid",
                 "tintinweb.graphviz-interactive-preview",
+
+                "GitHub.copilot"
             ]
         }
     },
diff --git a/.vscode/extensions.json b/.vscode/extensions.json
index a99ae7f..c05c532 100644
--- a/.vscode/extensions.json
+++ b/.vscode/extensions.json
@@ -9,6 +9,7 @@
         "oderwat.indent-rainbow",
 
         "mhutchie.git-graph",
+        "guodongsun.vscode-git-cruise",
         "donjayamanne.githistory",
         "waderyan.gitblame",
         "solomonkinard.git-blame",
@@ -42,5 +43,7 @@
         "jebbs.plantuml",
         "bierner.markdown-mermaid",
         "tintinweb.graphviz-interactive-preview",
+
+        "github.copilot"
     ]
 }