diff --git a/.changeset/doctor-windows-path-separators.md b/.changeset/doctor-windows-path-separators.md
new file mode 100644
index 000000000..df001362f
--- /dev/null
+++ b/.changeset/doctor-windows-path-separators.md
@@ -0,0 +1,5 @@
+---
+"@moonshot-ai/kimi-code": patch
+---
+
+Fix mixed path separators in `kimi doctor` output on Windows (config.toml showed `C:/...` while tui.toml showed `C:\...`)
diff --git a/apps/kimi-code/src/cli/sub/doctor.ts b/apps/kimi-code/src/cli/sub/doctor.ts
index 0ccc38d28..8431c5a1d 100644
--- a/apps/kimi-code/src/cli/sub/doctor.ts
+++ b/apps/kimi-code/src/cli/sub/doctor.ts
@@ -1,6 +1,6 @@
 import { existsSync } from 'node:fs';
 import { readFile } from 'node:fs/promises';
-import { isAbsolute, resolve } from 'node:path';
+import { isAbsolute, normalize, resolve } from 'node:path';
 
 import {
   createKimiConfigRpc,
@@ -259,7 +259,12 @@ function formatFailure(results: readonly CheckResult[], issueCount: number): str
 function formatResults(results: readonly CheckResult[]): string[] {
   const lines: string[] = [];
   for (const result of results) {
-    lines.push(`${result.status} ${result.label.padEnd(12)} ${result.path}`);
+    // Normalize the path to the platform's native separators so config.toml
+    // (resolved via `pathe`, always `/`) and tui.toml (resolved via
+    // `node:path`, native separator) render consistently. Without this,
+    // Windows users see both `C:/Users/me/.kimi-code/config.toml` and
+    // `C:\Users\me\.kimi-code\tui.toml` in the same output.
+    lines.push(`${result.status} ${result.label.padEnd(12)} ${normalize(result.path)}`);
     if (result.message !== undefined) {
       for (const line of result.message.split('\n')) {
         lines.push(`  ${line}`);
diff --git a/apps/kimi-code/src/main.ts b/apps/kimi-code/src/main.ts
index 8a7d9fa73..608cbdda1 100644
--- a/apps/kimi-code/src/main.ts
+++ b/apps/kimi-code/src/main.ts
@@ -5,6 +5,8 @@
  * outer update preflight, then delegates to the requested UI runner.
  */
 
+import { normalize } from 'node:path';
+
 import {
   createKimiHarness,
   flushDiagnosticLogs,
@@ -21,6 +23,16 @@ import {
   withTelemetryContext,
 } from '@moonshot-ai/kimi-telemetry';
 
+/**
+ * The SDK resolves the log path via `pathe` (forward slashes everywhere)
+ * which produces `C:/Users/.../kimi-code.log` on Windows. Normalize to the
+ * platform-native separator before showing the path to the user so it
+ * matches what they'd see in File Explorer / their shell.
+ */
+function formatLogPathForUser(homeDir: string): string {
+  return normalize(resolveGlobalLogPath(homeDir));
+}
+
 import { createProgram } from './cli/commands';
 import type { CLIOptions } from './cli/options';
 import { OptionConflictError, validateOptions } from './cli/options';
@@ -142,7 +154,7 @@ export function main(): void {
             operation,
           }),
         );
-        process.stderr.write(`See log: ${resolveGlobalLogPath(resolveKimiHome())}\n`);
+        process.stderr.write(`See log: ${formatLogPathForUser(resolveKimiHome())}\n`);
         process.exit(1);
       });
     },
@@ -150,7 +162,7 @@ export function main(): void {
       void handleMigrateCommand(version).catch(async (error: unknown) => {
         await logStartupFailure('run migration', error);
         process.stderr.write(formatStartupError(error, { operation: 'run migration' }));
-        process.stderr.write(`See log: ${resolveGlobalLogPath(resolveKimiHome())}\n`);
+        process.stderr.write(`See log: ${formatLogPathForUser(resolveKimiHome())}\n`);
         process.exit(1);
       });
     },
@@ -165,7 +177,7 @@ export function main(): void {
       void handleUpgradeCommand(version).catch(async (error: unknown) => {
         await logStartupFailure('upgrade', error);
         process.stderr.write(formatStartupError(error, { operation: 'upgrade' }));
-        process.stderr.write(`See log: ${resolveGlobalLogPath(resolveKimiHome())}\n`);
+        process.stderr.write(`See log: ${formatLogPathForUser(resolveKimiHome())}\n`);
         process.exit(1);
       });
     },
diff --git a/apps/kimi-code/test/cli/doctor.test.ts b/apps/kimi-code/test/cli/doctor.test.ts
index b6404c97d..1acc96aa4 100644
--- a/apps/kimi-code/test/cli/doctor.test.ts
+++ b/apps/kimi-code/test/cli/doctor.test.ts
@@ -267,4 +267,33 @@ max_context_size = "large"
     expect(err).toContain('Validation issues:');
     expect(err).toContain('models.kimi.max_context_size:');
   });
+
+  it('normalizes path separators in formatted output', async () => {
+    // Regression: config.toml is resolved via `pathe` (always `/`) while
+    // tui.toml is resolved via `node:path` (native separators on Windows).
+    // The formatted output must use one consistent separator — otherwise
+    // Windows users see a mix of `C:/Users/me/...` and `C:\Users\me\...`
+    // in the same `kimi doctor` block.
+    const { deps, stdout } = makeDeps();
+    const code = await handleDoctor(
+      {
+        ...deps,
+        // Force a `/`-only path here to simulate what `pathe` would yield.
+        defaultConfigPath: () => 'C:/fixture/.kimi-code/config.toml',
+        defaultTuiConfigPath: () => 'C:\\fixture\\.kimi-code\\tui.toml',
+        fileExists: () => false,
+      },
+      {},
+    );
+
+    expect(code).toBe(0);
+    const out = stdout.join('');
+    // On Windows, both lines should use backslashes; on POSIX, both forward
+    // slashes. Path.sep is what `normalize` aligns to.
+    const sep = process.platform === 'win32' ? '\\' : '/';
+    const expectedConfig = `C:${sep}fixture${sep}.kimi-code${sep}config.toml`;
+    const expectedTui = `C:${sep}fixture${sep}.kimi-code${sep}tui.toml`;
+    expect(out).toContain(expectedConfig);
+    expect(out).toContain(expectedTui);
+  });
 });