diff --git a/.vscode/extensions.json b/.vscode/extensions.json
index d09daa2d55e0..f23f12deef48 100644
--- a/.vscode/extensions.json
+++ b/.vscode/extensions.json
@@ -1,6 +1,7 @@
 {
-    "recommendations": [
-        "EditorConfig.EditorConfig",
-        "docsmsft.docs-authoring-pack"
-    ]
+  "recommendations": [
+    "EditorConfig.EditorConfig",
+    "esbenp.prettier-vscode",
+    "docsmsft.docs-authoring-pack"
+  ]
 }
diff --git a/.vscode/settings.json b/.vscode/settings.json
index 86500570ba6b..81c95f4d9519 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -20,5 +20,8 @@
             "url":"https://raw.githubusercontent.com/Azure/autorest/master/schema/composite-swagger.json"
         }
     ],
-    "typescript.tsdk": "node_modules\\typescript\\lib"
-}
\ No newline at end of file
+    "typescript.tsdk": "node_modules\\typescript\\lib",
+    "[json]": {
+        "editor.defaultFormatter": "esbenp.prettier-vscode"
+    }
+}
diff --git a/documentation/ci-fix.md b/documentation/ci-fix.md
new file mode 100644
index 000000000000..92de1bfc14ce
--- /dev/null
+++ b/documentation/ci-fix.md
@@ -0,0 +1,21 @@
+# CI Fix Guide
+
+Here are guides to fix some of the CI failure.
+
+## Spell check
+
+Please add your words to `./custom-words.txt` if you think you have the correct spell
+
+## Prettier check
+
+Please run the following command:
+
+`sh
+npm install; npm run prettier-fix
+`
+
+Or if you want to fix specified service:
+
+`sh
+npm install; npm run prettier -- --write "specification/<service>/**/*.json"
+`
diff --git a/package.json b/package.json
index 103684cd9b1b..8719d7155268 100644
--- a/package.json
+++ b/package.json
@@ -40,6 +40,7 @@
     "test": "tsc && mocha -t 500000 --reporter min",
     "spellcheck": "ts-node ./scripts/spellcheck.ts",
     "prettier-check": "ts-node ./scripts/prettier-check.ts",
+    "prettier-fix": "prettier --write specification/**/*.json",
     "prettier": "prettier",
     "tsc": "tsc",
     "multiapi": "ts-node ./scripts/multiapi.ts"
diff --git a/scripts/prettier-check.ts b/scripts/prettier-check.ts
index 5e3661cdcb3a..ce869a60b8d1 100644
--- a/scripts/prettier-check.ts
+++ b/scripts/prettier-check.ts
@@ -17,6 +17,6 @@ runCheckOverChangedSpecFiles({
   },
 
   onFinalFailed: async () => {
-    logError('Code style issues found in the above file(s). Please run `npm install && npm run prettier -- --write "specification/<service>/**/*.json"` to fix.')
+    logError('Code style issues found in the above file(s). Please follow https://github.com/Azure/azure-rest-api-specs/blob/master/documentation/ci-fix.md')
   }
 })
\ No newline at end of file