diff --git a/packages/core/__mocks__/rslog.cjs b/packages/core/__mocks__/rslog.cjs
index a0bcd4bd1..2c9d1a237 100644
--- a/packages/core/__mocks__/rslog.cjs
+++ b/packages/core/__mocks__/rslog.cjs
@@ -1,5 +1,6 @@
 module.exports = {
   logger: {
     warn: () => {},
+    override: () => {},
   },
 };
diff --git a/packages/core/src/cli/restart.ts b/packages/core/src/cli/restart.ts
index 934418840..e199c7806 100644
--- a/packages/core/src/cli/restart.ts
+++ b/packages/core/src/cli/restart.ts
@@ -64,9 +64,9 @@ const beforeRestart = async ({
 
   if (filePath) {
     const filename = path.basename(filePath);
-    logger.info(`Restart because ${color.yellow(filename)} is changed.\n`);
+    logger.info(`restart because ${color.yellow(filename)} is changed.\n`);
   } else {
-    logger.info('Restarting...\n');
+    logger.info('restarting...\n');
   }
 
   for (const cleaner of cleaners) {
diff --git a/packages/core/src/config.ts b/packages/core/src/config.ts
index 9bb6920cc..fdd832814 100644
--- a/packages/core/src/config.ts
+++ b/packages/core/src/config.ts
@@ -282,7 +282,7 @@ const composeExternalsWarnConfig = (
           if (contextInfo.issuer && dependencyType === 'commonjs') {
             matchUserExternals(externals, request, _callback);
             if (shouldWarn) {
-              logger.warn(composeModuleImportWarn(request));
+              logger.warn(composeModuleImportWarn(request, contextInfo.issuer));
             }
           }
           callback();
@@ -324,7 +324,7 @@ export const composeAutoExternalConfig = (options: {
 
   if (!pkgJson) {
     logger.warn(
-      'autoExternal configuration will not be applied due to read package.json failed',
+      'The `autoExternal` configuration will not be applied due to read package.json failed',
     );
     return {};
   }
@@ -782,8 +782,11 @@ const composeShimsConfig = (
   return { rsbuildConfig, enabledShims };
 };
 
-export const composeModuleImportWarn = (request: string): string => {
-  return `The externalized commonjs request ${color.green(`"${request}"`)} will use ${color.blue('"module"')} external type in ESM format. If you want to specify other external type, consider setting the request and type with ${color.blue('"output.externals"')}.`;
+export const composeModuleImportWarn = (
+  request: string,
+  issuer: string,
+): string => {
+  return `The externalized commonjs request ${color.green(`"${request}"`)} from ${color.green(issuer)} will use ${color.blue('"module"')} external type in ESM format. If you want to specify other external type, consider setting the request and type with ${color.blue('"output.externals"')}.`;
 };
 
 const composeExternalsConfig = (
diff --git a/packages/core/src/utils/extension.ts b/packages/core/src/utils/extension.ts
index 7d514a9e9..9d523f81b 100644
--- a/packages/core/src/utils/extension.ts
+++ b/packages/core/src/utils/extension.ts
@@ -24,7 +24,7 @@ export const getDefaultExtension = (options: {
 
   if (!pkgJson) {
     logger.warn(
-      'autoExtension configuration will not be applied due to read package.json failed',
+      'The `autoExtension` configuration will not be applied due to read package.json failed',
     );
     return {
       jsExtension,
diff --git a/packages/core/src/utils/helper.ts b/packages/core/src/utils/helper.ts
index 302ddbc93..f33809b57 100644
--- a/packages/core/src/utils/helper.ts
+++ b/packages/core/src/utils/helper.ts
@@ -117,7 +117,9 @@ export const readPackageJson = (rootPath: string): undefined | PkgJson => {
   const pkgJsonPath = path.join(rootPath, './package.json');
 
   if (!fs.existsSync(pkgJsonPath)) {
-    logger.warn(`package.json does not exist in the ${rootPath} directory`);
+    logger.warn(
+      `The \`package.json\` file does not exist in the ${rootPath} directory`,
+    );
     return;
   }
 
diff --git a/packages/core/src/utils/logger.ts b/packages/core/src/utils/logger.ts
index 29ca89d2b..a4c820d05 100644
--- a/packages/core/src/utils/logger.ts
+++ b/packages/core/src/utils/logger.ts
@@ -1,24 +1,35 @@
+/**
+ * Logging message case convention:
+ *
+ * Info, ready, success and debug messages:
+ * - Start with lowercase
+ * - Example: "info  build started..."
+ *
+ * Errors and warnings:
+ * - Start with uppercase
+ * - Example: "error  Failed to build"
+ *
+ * This convention helps distinguish between normal operations
+ * and important alerts that require attention.
+ */
 import { type Logger, logger } from 'rslog';
 import { color } from './helper';
 
-// setup the logger level
-if (process.env.DEBUG) {
-  logger.level = 'verbose';
-}
-
 export const isDebug = (): boolean => {
   if (!process.env.DEBUG) {
     return false;
   }
 
-  logger.level = 'verbose'; // support `process.env.DEBUG` in e2e
   const values = process.env.DEBUG.toLocaleLowerCase().split(',');
-  return ['rslib', 'rsbuild', 'builder', '*'].some((key) =>
-    values.includes(key),
-  );
+  return ['rslib', 'rs*', 'rstack', '*'].some((key) => values.includes(key));
 };
 
-function getTime() {
+// setup the logger level
+if (isDebug()) {
+  logger.level = 'verbose';
+}
+
+function getTime(): string {
   const now = new Date();
   const hours = String(now.getHours()).padStart(2, '0');
   const minutes = String(now.getMinutes()).padStart(2, '0');
@@ -27,13 +38,15 @@ function getTime() {
   return `${hours}:${minutes}:${seconds}`;
 }
 
-export const debug = (message: string | (() => string)): void => {
-  if (isDebug()) {
-    const result = typeof message === 'string' ? message : message();
+logger.override({
+  debug: (message, ...args) => {
+    if (logger.level !== 'verbose') {
+      return;
+    }
     const time = color.gray(`${getTime()}`);
-    logger.debug(`${time} ${result}`);
-  }
-};
+    console.log(`  ${color.green('rslib')} ${time} ${message}`, ...args);
+  },
+});
 
 export { logger };
 export type { Logger };
diff --git a/packages/plugin-dts/src/utils.ts b/packages/plugin-dts/src/utils.ts
index 17207f576..7f97e903d 100644
--- a/packages/plugin-dts/src/utils.ts
+++ b/packages/plugin-dts/src/utils.ts
@@ -96,8 +96,8 @@ export async function emptyDir(dir: string): Promise<void> {
       });
     }
   } catch (err) {
-    logger.debug(`Failed to empty dir: ${dir}`);
-    logger.debug(err);
+    logger.warn(`Failed to empty dir: ${dir}`);
+    logger.warn(err);
   }
 }
 
@@ -332,7 +332,7 @@ export async function redirectDtsImports(
 
       code.overwrite(start, end, normalizedRedirectImportPath);
     } catch (err) {
-      logger.debug(err);
+      logger.warn(err);
     }
   }
 
diff --git a/tests/integration/auto-external/index.test.ts b/tests/integration/auto-external/index.test.ts
index 65b4967b8..eb367c788 100644
--- a/tests/integration/auto-external/index.test.ts
+++ b/tests/integration/auto-external/index.test.ts
@@ -91,6 +91,7 @@ test('should get warn when use require in ESM', async () => {
 
   const shouldWarn = ['react', 'e2', 'e3', 'e5', 'e6', 'e7'];
   const shouldNotWarn = ['e1', 'e4', 'e8', 'lodash/add', 'lodash/drop'];
+  const issuer = join(fixturePath, 'src/index.ts');
 
   for (const item of shouldWarn) {
     expect(entries.esm).toContain(
@@ -98,18 +99,18 @@ test('should get warn when use require in ESM', async () => {
     );
   }
 
-  for (const item of shouldWarn) {
+  for (const request of shouldWarn) {
     expect(
       logStrings.some((l) =>
-        l.includes(stripAnsi(composeModuleImportWarn(item))),
+        l.includes(stripAnsi(composeModuleImportWarn(request, issuer))),
       ),
     ).toBe(true);
   }
 
-  for (const item of shouldNotWarn) {
+  for (const request of shouldNotWarn) {
     expect(
       logStrings.some((l) =>
-        l.includes(stripAnsi(composeModuleImportWarn(item))),
+        l.includes(stripAnsi(composeModuleImportWarn(request, issuer))),
       ),
     ).toBe(false);
   }
diff --git a/tests/integration/externals/index.test.ts b/tests/integration/externals/index.test.ts
index 4a11497b9..2df83975c 100644
--- a/tests/integration/externals/index.test.ts
+++ b/tests/integration/externals/index.test.ts
@@ -40,6 +40,7 @@ test('should get warn when use require in ESM', async () => {
   const fixturePath = join(__dirname, 'module-import-warn');
   const { entries } = await buildAndGetResults({ fixturePath });
   const logStrings = logs.map((log) => stripAnsi(log));
+  const issuer = join(fixturePath, 'src/index.ts');
 
   for (const external of [
     'import * as __WEBPACK_EXTERNAL_MODULE_bar__ from "bar";',
@@ -51,7 +52,7 @@ test('should get warn when use require in ESM', async () => {
   for (const external of ['foo', 'bar', 'qux']) {
     expect(
       logStrings.some((l) =>
-        l.includes(stripAnsi(composeModuleImportWarn(external))),
+        l.includes(stripAnsi(composeModuleImportWarn(external, issuer))),
       ),
     ).toBe(true);
   }
@@ -59,7 +60,7 @@ test('should get warn when use require in ESM', async () => {
   for (const external of ['./baz', 'quxx']) {
     expect(
       logStrings.some((l) =>
-        l.includes(stripAnsi(composeModuleImportWarn(external))),
+        l.includes(stripAnsi(composeModuleImportWarn(external, issuer))),
       ),
     ).toBe(false);
   }