diff --git a/samples/da-PostPilotAgent/.gitignore b/samples/da-PostPilotAgent/.gitignore
new file mode 100644
index 0000000..7ed4abe
--- /dev/null
+++ b/samples/da-PostPilotAgent/.gitignore
@@ -0,0 +1,31 @@
+# See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
+# TeamsFx files
+env/.env.*.user
+env/.env.dev
+env/.env.local
+.DS_Store
+build
+appPackage/build
+.deployment
+
+# dependencies
+/node_modules
+
+# testing
+/coverage
+
+# Dev tool directories
+/devTools/
+
+# TypeScript output
+dist
+out
+
+# Azure Functions artifacts
+bin
+obj
+appsettings.json
+local.settings.json
+
+# Local data
+.localConfigs
\ No newline at end of file
diff --git a/samples/da-PostPilotAgent/env/.env.dev b/samples/da-PostPilotAgent/env/.env.dev
index 31b83f9..f73cd1a 100644
--- a/samples/da-PostPilotAgent/env/.env.dev
+++ b/samples/da-PostPilotAgent/env/.env.dev
@@ -5,7 +5,7 @@ TEAMSFX_ENV=dev
 APP_NAME_SUFFIX=dev
 
 # Generated during provision, you can also add your own variables.
-TEAMS_APP_ID=e5aa1327-4649-41f0-8024-0ffa38a98e99
-TEAMS_APP_TENANT_ID=f0118ea9-172a-475d-90a2-f53bfba7cbac
-M365_TITLE_ID=U_baa97d48-151f-dee8-85d8-3568e0850fdb
-M365_APP_ID=d34c66f5-05e5-412c-9731-daa6295397ff
\ No newline at end of file
+TEAMS_APP_ID=
+TEAMS_APP_TENANT_ID=
+M365_TITLE_ID=
+M365_APP_ID=
\ No newline at end of file
diff --git a/samples/da-PostPilotAgent/env/.env.dev.user b/samples/da-PostPilotAgent/env/.env.dev.user
index c83ac7f..d812270 100644
--- a/samples/da-PostPilotAgent/env/.env.dev.user
+++ b/samples/da-PostPilotAgent/env/.env.dev.user
@@ -1 +1 @@
-TEAMS_APP_UPDATE_TIME=2024-11-13T00:08:59.8577882+00:00
\ No newline at end of file
+TEAMS_APP_UPDATE_TIME=
\ No newline at end of file