diff --git a/packages/cli/src/userInteraction.ts b/packages/cli/src/userInteraction.ts
index cfecb4e033..5a25bc2952 100644
--- a/packages/cli/src/userInteraction.ts
+++ b/packages/cli/src/userInteraction.ts
@@ -474,7 +474,7 @@ class CLIUserInteraction implements UserInteraction {
     const newConfig: InputTextConfig = {
       name: config.name,
       title: config.title,
-      default: (config.default as string) || "./",
+      default: config.default as string,
       validation: config.validation || pathValidation,
     };
     return this.inputText(newConfig);
diff --git a/packages/fx-core/src/component/utils/envFunctionUtils.ts b/packages/fx-core/src/component/utils/envFunctionUtils.ts
index d06e231553..cadf18d179 100644
--- a/packages/fx-core/src/component/utils/envFunctionUtils.ts
+++ b/packages/fx-core/src/component/utils/envFunctionUtils.ts
@@ -20,7 +20,7 @@ import { DriverContext } from "../driver/interface/commonArgs";
 
 const source = "ResolveManifestFunction";
 const telemetryEvent = "manifest-with-function";
-const helpLink = undefined; // TODO: update link
+const helpLink = "https://aka.ms/teamsfx-customize-manifest";
 
 enum TelemetryPropertyKey {
   manifestType = "manifest-type",
diff --git a/packages/fx-core/src/core/FxCore.ts b/packages/fx-core/src/core/FxCore.ts
index 1c6cab1977..78b3062433 100644
--- a/packages/fx-core/src/core/FxCore.ts
+++ b/packages/fx-core/src/core/FxCore.ts
@@ -19,9 +19,6 @@ import {
   CreateProjectResult,
   CryptoProvider,
   DefaultApiSpecFolderName,
-  DefaultApiSpecJsonFileName,
-  DefaultApiSpecYamlFileName,
-  DefaultPluginManifestFileName,
   Func,
   FxError,
   IGenerator,
@@ -42,7 +39,6 @@ import {
 import { DotenvParseOutput } from "dotenv";
 import fs from "fs-extra";
 import * as jsonschema from "jsonschema";
-import { OpenAPIV3 } from "openapi-types";
 import * as os from "os";
 import * as path from "path";
 import "reflect-metadata";
@@ -64,7 +60,7 @@ import {
   isValidProjectV3,
 } from "../common/projectSettingsHelper";
 import { ProjectTypeResult, projectTypeChecker } from "../common/projectTypeChecker";
-import { TelemetryEvent, TelemetryProperty, telemetryUtils } from "../common/telemetry";
+import { TelemetryEvent, telemetryUtils } from "../common/telemetry";
 import { MetadataV3, VersionSource, VersionState } from "../common/versionMetadata";
 import { ActionInjector } from "../component/configManager/actionInjector";
 import { ILifecycle, LifecycleName } from "../component/configManager/interface";
@@ -1741,7 +1737,7 @@ export class FxCore {
         manifestPath,
         inputs,
         context,
-        CoreTelemetryComponentName,
+        "copilotPluginAddAPI",
         isPlugin ? ProjectType.Copilot : ProjectType.SME,
         {
           destinationApiSpecFilePath: outputApiSpecPath,
@@ -1943,7 +1939,7 @@ export class FxCore {
         teamsManifestPath,
         inputs,
         context,
-        CoreTelemetryComponentName,
+        Stage.addPlugin,
         ProjectType.Copilot,
         {
           destinationApiSpecFilePath: destinationApiSpecPath,
diff --git a/packages/vscode-extension/src/telemetry/vscodeTelemetryReporter.ts b/packages/vscode-extension/src/telemetry/vscodeTelemetryReporter.ts
index 8f28453463..ee1e4d5d1e 100644
--- a/packages/vscode-extension/src/telemetry/vscodeTelemetryReporter.ts
+++ b/packages/vscode-extension/src/telemetry/vscodeTelemetryReporter.ts
@@ -94,7 +94,9 @@ export class VSCodeTelemetryReporter extends vscode.Disposable implements Teleme
     }
 
     this.checkAndOverwriteSharedProperty(properties);
-    properties[TelemetryProperty.CorrelationId] = Correlator.getId();
+    if (properties[TelemetryProperty.CorrelationId] == undefined) {
+      properties[TelemetryProperty.CorrelationId] = Correlator.getId();
+    }
 
     const featureFlags = featureFlagManager.listEnabled();
     properties[TelemetryProperty.FeatureFlags] = featureFlags ? featureFlags.join(";") : "";
diff --git a/packages/vscode-extension/test/extTelemetry/vscodeTelemetryReporter.test.ts b/packages/vscode-extension/test/extTelemetry/vscodeTelemetryReporter.test.ts
index ffda3af7f0..cd55bd1d80 100644
--- a/packages/vscode-extension/test/extTelemetry/vscodeTelemetryReporter.test.ts
+++ b/packages/vscode-extension/test/extTelemetry/vscodeTelemetryReporter.test.ts
@@ -17,11 +17,11 @@ describe("vscodeTelemetryReporter", () => {
   let tester: VSCodeTelemetryReporter;
   const sandbox = sinon.createSandbox();
   const reporterStub = new MockTelemetryReporter();
-  const sendTelemetryErrorEventSpy = sandbox.spy(reporterStub, "sendTelemetryErrorEvent");
-  const sendTelemetryEventSpy = sandbox.spy(reporterStub, "sendTelemetryEvent");
-  const sendTelemetryExceptionSpy = sandbox.spy(reporterStub, "sendTelemetryException");
+  let sendTelemetryEventSpy: sinon.SinonSpy;
+  let sendTelemetryExceptionSpy: sinon.SinonSpy;
+  let sendTelemetryErrorEventSpy: sinon.SinonSpy;
 
-  before(() => {
+  beforeEach(() => {
     tester = new VSCodeTelemetryReporter(
       "test",
       "1.0.0-rc.1",
@@ -32,9 +32,13 @@ describe("vscodeTelemetryReporter", () => {
     tester.addSharedProperty("programming-language", "");
     tester.addSharedProperty("host-type", "");
     tester.addSharedProperty("is-from-sample", "");
+
+    sendTelemetryEventSpy = sandbox.spy(reporterStub, "sendTelemetryEvent");
+    sendTelemetryExceptionSpy = sandbox.spy(reporterStub, "sendTelemetryException");
+    sendTelemetryErrorEventSpy = sandbox.spy(reporterStub, "sendTelemetryErrorEvent");
   });
 
-  after(() => {
+  afterEach(() => {
     tester.dispose();
     sandbox.restore();
   });
@@ -90,6 +94,35 @@ describe("vscodeTelemetryReporter", () => {
     );
   });
 
+  it("sendTelemetryErrorEvent: not overwrite correlationId if existing", () => {
+    tester.sendTelemetryErrorEvent(
+      "sampleErrorEvent",
+      {
+        stringProp: "some string",
+        "error-stack": "some user stack trace at (C:/fake_path/fake_file:1:1)",
+        "correlation-id": "fakeId",
+      },
+      { numericMeasure: 123 },
+      ["error-stack"]
+    );
+
+    sinon.assert.calledOnceWithMatch(
+      sendTelemetryErrorEventSpy,
+      "sampleErrorEvent",
+      {
+        stringProp: "some string",
+        "error-stack": "some user stack trace at (<REDACTED: user-file-path>/fake_file:1:1)",
+        "project-id": "",
+        "correlation-id": "fakeId",
+        "feature-flags": featureFlags,
+        "programming-language": "",
+        "host-type": "",
+        "is-from-sample": "",
+      },
+      { numericMeasure: 123 }
+    );
+  });
+
   it("sendTelemetryException", () => {
     const error = new Error("error for test");
     tester.sendTelemetryException(error, { stringProp: "some string" }, { numericMeasure: 123 });