uniapp iOS基座调试报错： Uncaught TypeError: require is not a function

Uncaught TypeError: require is not a function  
    at   
    at __weex_bundle_entry__ ()  
    at eval (eval at v1 (), <anonymous>:3:22)  
    at eval (eval at v1 (), <anonymous>:4:6)  
    at v1 ()  
    at Object.g1 [as createInstance] ()  
    at Sd.global.(anonymous function).T ()  
    at Object.<anonymous> (http://192.168.2.206:8091/runtime/Runtime.IOS.js:333:14)  
    at http://192.168.2.206:8091/runtime/Runtime.IOS.js:48:25  
    at Array.forEach (<anonymous>)

iOS 基座调试怎么会报找不到require呢？