itsm-wx-handle/share/useGoback.js

const canNavBack = getCurrentPages()
export function useGoBack() {
  /**
   * 返回
   */
  const goBack = () => {
		if( canNavBack && canNavBack.length>1) {  
				uni.navigateBack() 
		} else {  
				history.back();  
		}
  }
  
  return {
    goBack
  }
}