基础库2.19.5,云开发watch连接异常

VM16 WAGame.js:2 Unhandled promise rejection TypeError: Cannot assign to read only property 'toString' of object '#<e>'

    at VM16 WAGame.js:2

    at Module.795 (VM16 WAGame.js:2)

    at i (VM16 WAGame.js:2)

    at VM16 WAGame.js:2

    at Generator.next (<anonymous>)

    at r (VM16 WAGame.js:2)

    at s (VM16 WAGame.js:2)

    at VM16 WAGame.js:2

    at new V (VM16 WAGame.js:2)

    at VM16 WAGame.js:2(env: macOS,mg,1.05.2107090; lib: 2.19.5)