diff --git a/src/commanderAdapter.test.ts b/src/commanderAdapter.test.ts
index 48ecc723f..1aa85c150 100644
--- a/src/commanderAdapter.test.ts
+++ b/src/commanderAdapter.test.ts
@@ -307,6 +307,63 @@ describe('commanderAdapter default formats', () => {
   });
 });
 
+describe('commanderAdapter dash-prefixed positional args', () => {
+  const cmd: CliCommand = {
+    site: 'boss',
+    name: 'detail',
+    description: 'BOSS直聘查看职位详情',
+    browser: true,
+    args: [
+      { name: 'security-id', positional: true, required: true, help: 'Security ID from search results' },
+    ],
+    func: vi.fn(),
+  };
+
+  beforeEach(() => {
+    mockExecuteCommand.mockReset();
+    mockExecuteCommand.mockResolvedValue([]);
+    mockRenderOutput.mockReset();
+    delete process.env.OPENCLI_VERBOSE;
+    process.exitCode = undefined;
+  });
+
+  it('accepts a positional arg that starts with a dash', async () => {
+    const program = new Command();
+    const siteCmd = program.command('boss');
+    registerCommandToProgram(siteCmd, cmd);
+
+    await program.parseAsync(['node', 'opencli', 'boss', 'detail', '-123456abdc']);
+
+    expect(mockExecuteCommand).toHaveBeenCalled();
+    const kwargs = mockExecuteCommand.mock.calls[0][1];
+    expect(kwargs['security-id']).toBe('-123456abdc');
+  });
+
+  it('accepts a dash-prefixed positional arg with options before it', async () => {
+    const program = new Command();
+    const siteCmd = program.command('boss');
+    registerCommandToProgram(siteCmd, cmd);
+
+    await program.parseAsync(['node', 'opencli', 'boss', 'detail', '-f', 'json', '-abc123']);
+
+    expect(mockExecuteCommand).toHaveBeenCalled();
+    const kwargs = mockExecuteCommand.mock.calls[0][1];
+    expect(kwargs['security-id']).toBe('-abc123');
+  });
+
+  it('still works with normal (non-dash) positional args', async () => {
+    const program = new Command();
+    const siteCmd = program.command('boss');
+    registerCommandToProgram(siteCmd, cmd);
+
+    await program.parseAsync(['node', 'opencli', 'boss', 'detail', 'abc123']);
+
+    expect(mockExecuteCommand).toHaveBeenCalled();
+    const kwargs = mockExecuteCommand.mock.calls[0][1];
+    expect(kwargs['security-id']).toBe('abc123');
+  });
+});
+
 describe('commanderAdapter error envelope output', () => {
   const cmd: CliCommand = {
     site: 'xiaohongshu',
diff --git a/src/commanderAdapter.ts b/src/commanderAdapter.ts
index 47b98c35f..dae256559 100644
--- a/src/commanderAdapter.ts
+++ b/src/commanderAdapter.ts
@@ -55,6 +55,41 @@ export function registerCommandToProgram(siteCmd: Command, cmd: CliCommand): voi
 
   subCmd.addHelpText('after', formatRegistryHelpText(cmd));
 
+  // When a command has positional args, protect against dash-prefixed values
+  // (e.g. `opencli boss detail -123abc`) being misinterpreted as options.
+  // We override parseOptions to insert '--' before the first unrecognized
+  // dash-arg so Commander treats it as an operand.
+  if (positionalArgs.length > 0) {
+    const origParseOptions = subCmd.parseOptions.bind(subCmd);
+    subCmd.parseOptions = (argv: string[]) => {
+      if (!argv.includes('--')) {
+        const optFlags = new Set<string>();
+        for (const opt of subCmd.options) {
+          if (opt.short) optFlags.add(opt.short);
+          if (opt.long) optFlags.add(opt.long);
+        }
+        for (let i = 0; i < argv.length; i++) {
+          const a = argv[i];
+          if (a === '--') break;
+          if (a.startsWith('-') && optFlags.has(a)) {
+            // Known option — skip its value arg if it expects one
+            const opt = subCmd.options.find(
+              (o) => o.short === a || o.long === a,
+            );
+            if (opt && opt.required) i++;
+            continue;
+          }
+          if (a.startsWith('-')) {
+            // Unknown dash-arg in positional position — insert '--' sentinel
+            argv.splice(i, 0, '--');
+            break;
+          }
+        }
+      }
+      return origParseOptions(argv);
+    };
+  }
+
   subCmd.action(async (...actionArgs: unknown[]) => {
     const actionOpts = actionArgs[positionalArgs.length] ?? {};
     const optionsRecord = typeof actionOpts === 'object' && actionOpts !== null ? actionOpts as Record<string, unknown> : {};