Failed when deploying TokenSale

[windstamp]

Running migration: 1_initial_migration.js Replacing Migrations... ... 0x9ec68b086fdd5d4abfed078d0f7d666e7ed6842e670a78ee69b63840711be0df Migrations: 0xc2a1bebed1b9bb2445b7eb0bb170360eb7b23000 Saving successful migration to network... ... 0x6d07c2b2417643ea35465b63eaa5e653b597aa0198d4a8e6d33188c1b25146d6 Saving artifacts... Running migration: 2_deploy_contracts.js Deploying MyToken... ... 0x751fe207838bae02a88ca58312f0354bd9204c527bc23b79e0888e9375d84798 MyToken: 0xe18b5b62fb525a762cce62eaad8ec9460ca0ce6a Deploying TokenSale... Error encountered, bailing. Network state unknown. Review successful transactions manually. Error: TokenSale contract constructor expected 2 arguments, received 0 at C:\Users\zhangkeliang\AppData\Roaming\npm\node_modules\truffle\build\webpack:~\truffle-contract\contract.js:390:1 at new Promise () at C:\Users\zhangkeliang\AppData\Roaming\npm\node_modules\truffle\build\webpack:~\truffle-contract\contract.js:374:1 at at process._tickCallback (internal/process/next_tick.js:188:7)