diff --git a/moonbit-tour/package.json b/moonbit-tour/package.json
index 489a4383..254c5fa6 100644
--- a/moonbit-tour/package.json
+++ b/moonbit-tour/package.json
@@ -28,7 +28,7 @@
     "remark-parse": "^11.0.0",
     "remark-rehype": "^11.1.1",
     "serve": "^14.2.4",
-    "shiki": "^3.6.0",
+    "shiki": "^3.12.2",
     "tailwindcss": "^3.4.16",
     "tsx": "^4.19.2",
     "typescript": "~5.8.3",
diff --git a/moonbit-tour/pnpm-lock.yaml b/moonbit-tour/pnpm-lock.yaml
index 04845d5c..8c526f90 100644
--- a/moonbit-tour/pnpm-lock.yaml
+++ b/moonbit-tour/pnpm-lock.yaml
@@ -64,8 +64,8 @@ importers:
         specifier: ^14.2.4
         version: 14.2.4
       shiki:
-        specifier: ^3.6.0
-        version: 3.6.0
+        specifier: ^3.12.2
+        version: 3.12.2
       tailwindcss:
         specifier: ^3.4.16
         version: 3.4.17
@@ -287,23 +287,23 @@ packages:
     resolution: {integrity: sha512-+1VkjdD0QBLPodGrJUeqarH8VAIvQODIbwh9XpP5Syisf7YoQgsJKPNFoqqLQlu+VQ/tVSshMR6loPMn8U+dPg==}
     engines: {node: '>=14'}
 
-  '@shikijs/core@3.6.0':
-    resolution: {integrity: sha512-9By7Xb3olEX0o6UeJyPLI1PE1scC4d3wcVepvtv2xbuN9/IThYN4Wcwh24rcFeASzPam11MCq8yQpwwzCgSBRw==}
+  '@shikijs/core@3.12.2':
+    resolution: {integrity: sha512-L1Safnhra3tX/oJK5kYHaWmLEBJi1irASwewzY3taX5ibyXyMkkSDZlq01qigjryOBwrXSdFgTiZ3ryzSNeu7Q==}
 
-  '@shikijs/engine-javascript@3.6.0':
-    resolution: {integrity: sha512-7YnLhZG/TU05IHMG14QaLvTW/9WiK8SEYafceccHUSXs2Qr5vJibUwsDfXDLmRi0zHdzsxrGKpSX6hnqe0k8nA==}
+  '@shikijs/engine-javascript@3.12.2':
+    resolution: {integrity: sha512-Nm3/azSsaVS7hk6EwtHEnTythjQfwvrO5tKqMlaH9TwG1P+PNaR8M0EAKZ+GaH2DFwvcr4iSfTveyxMIvXEHMw==}
 
-  '@shikijs/engine-oniguruma@3.6.0':
-    resolution: {integrity: sha512-nmOhIZ9yT3Grd+2plmW/d8+vZ2pcQmo/UnVwXMUXAKTXdi+LK0S08Ancrz5tQQPkxvjBalpMW2aKvwXfelauvA==}
+  '@shikijs/engine-oniguruma@3.12.2':
+    resolution: {integrity: sha512-hozwnFHsLvujK4/CPVHNo3Bcg2EsnG8krI/ZQ2FlBlCRpPZW4XAEQmEwqegJsypsTAN9ehu2tEYe30lYKSZW/w==}
 
-  '@shikijs/langs@3.6.0':
-    resolution: {integrity: sha512-IdZkQJaLBu1LCYCwkr30hNuSDfllOT8RWYVZK1tD2J03DkiagYKRxj/pDSl8Didml3xxuyzUjgtioInwEQM/TA==}
+  '@shikijs/langs@3.12.2':
+    resolution: {integrity: sha512-bVx5PfuZHDSHoBal+KzJZGheFuyH4qwwcwG/n+MsWno5cTlKmaNtTsGzJpHYQ8YPbB5BdEdKU1rga5/6JGY8ww==}
 
-  '@shikijs/themes@3.6.0':
-    resolution: {integrity: sha512-Fq2j4nWr1DF4drvmhqKq8x5vVQ27VncF8XZMBuHuQMZvUSS3NBgpqfwz/FoGe36+W6PvniZ1yDlg2d4kmYDU6w==}
+  '@shikijs/themes@3.12.2':
+    resolution: {integrity: sha512-fTR3QAgnwYpfGczpIbzPjlRnxyONJOerguQv1iwpyQZ9QXX4qy/XFQqXlf17XTsorxnHoJGbH/LXBvwtqDsF5A==}
 
-  '@shikijs/types@3.6.0':
-    resolution: {integrity: sha512-cLWFiToxYu0aAzJqhXTQsFiJRTFDAGl93IrMSBNaGSzs7ixkLfdG6pH11HipuWFGW5vyx4X47W8HDQ7eSrmBUg==}
+  '@shikijs/types@3.12.2':
+    resolution: {integrity: sha512-K5UIBzxCyv0YoxN3LMrKB9zuhp1bV+LgewxuVwHdl4Gz5oePoUFrr9EfgJlGlDeXCU1b/yhdnXeuRvAnz8HN8Q==}
 
   '@shikijs/vscode-textmate@10.0.2':
     resolution: {integrity: sha512-83yeghZ2xxin3Nj8z1NMd/NCuca+gsYXswywDy5bHvwlWL8tpTQmzGeUuHd9FC3E/SBEMvzJRwWEOz5gGes9Qg==}
@@ -2083,8 +2083,8 @@ packages:
     resolution: {integrity: sha512-ObmnIF4hXNg1BqhnHmgbDETF8dLPCggZWBjkQfhZpbszZnYur5DUljTcCHii5LC3J5E0yeO/1LIMyH+UvHQgyw==}
     engines: {node: '>= 0.4'}
 
-  shiki@3.6.0:
-    resolution: {integrity: sha512-tKn/Y0MGBTffQoklaATXmTqDU02zx8NYBGQ+F6gy87/YjKbizcLd+Cybh/0ZtOBX9r1NEnAy/GTRDKtOsc1L9w==}
+  shiki@3.12.2:
+    resolution: {integrity: sha512-uIrKI+f9IPz1zDT+GMz+0RjzKJiijVr6WDWm9Pe3NNY6QigKCfifCEv9v9R2mDASKKjzjQ2QpFLcxaR3iHSnMA==}
 
   side-channel-list@1.0.0:
     resolution: {integrity: sha512-FCLHtRD/gnpCiCHEiJLOwdmFP+wzCmDEkc9y7NsYxeF4u7Btsn1ZuwgwJGxImImHicJArLP4R0yX4c2KCrMrTA==}
@@ -2634,33 +2634,33 @@ snapshots:
   '@pkgjs/parseargs@0.11.0':
     optional: true
 
-  '@shikijs/core@3.6.0':
+  '@shikijs/core@3.12.2':
     dependencies:
-      '@shikijs/types': 3.6.0
+      '@shikijs/types': 3.12.2
       '@shikijs/vscode-textmate': 10.0.2
       '@types/hast': 3.0.4
       hast-util-to-html: 9.0.5
 
-  '@shikijs/engine-javascript@3.6.0':
+  '@shikijs/engine-javascript@3.12.2':
     dependencies:
-      '@shikijs/types': 3.6.0
+      '@shikijs/types': 3.12.2
       '@shikijs/vscode-textmate': 10.0.2
       oniguruma-to-es: 4.3.3
 
-  '@shikijs/engine-oniguruma@3.6.0':
+  '@shikijs/engine-oniguruma@3.12.2':
     dependencies:
-      '@shikijs/types': 3.6.0
+      '@shikijs/types': 3.12.2
       '@shikijs/vscode-textmate': 10.0.2
 
-  '@shikijs/langs@3.6.0':
+  '@shikijs/langs@3.12.2':
     dependencies:
-      '@shikijs/types': 3.6.0
+      '@shikijs/types': 3.12.2
 
-  '@shikijs/themes@3.6.0':
+  '@shikijs/themes@3.12.2':
     dependencies:
-      '@shikijs/types': 3.6.0
+      '@shikijs/types': 3.12.2
 
-  '@shikijs/types@3.6.0':
+  '@shikijs/types@3.12.2':
     dependencies:
       '@shikijs/vscode-textmate': 10.0.2
       '@types/hast': 3.0.4
@@ -4706,14 +4706,14 @@ snapshots:
 
   shell-quote@1.8.3: {}
 
-  shiki@3.6.0:
+  shiki@3.12.2:
     dependencies:
-      '@shikijs/core': 3.6.0
-      '@shikijs/engine-javascript': 3.6.0
-      '@shikijs/engine-oniguruma': 3.6.0
-      '@shikijs/langs': 3.6.0
-      '@shikijs/themes': 3.6.0
-      '@shikijs/types': 3.6.0
+      '@shikijs/core': 3.12.2
+      '@shikijs/engine-javascript': 3.12.2
+      '@shikijs/engine-oniguruma': 3.12.2
+      '@shikijs/langs': 3.12.2
+      '@shikijs/themes': 3.12.2
+      '@shikijs/types': 3.12.2
       '@shikijs/vscode-textmate': 10.0.2
       '@types/hast': 3.0.4