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A pop-up window prompt needs to be returned in the project, the following code:

const onProductSubmit = async () => {
  const followById = await Open1688Api.updateProductFollowById(formData);
  console.log('followById ： ' + followById.toString())
  alert(followById)
}
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Output promise

reason:

After calling the interface, no result is returned

solution:

Adding async and await

const onProductSubmit = async () => {
  const followById = await Open1688Api.updateProductFollowById(formData);
  console.log('followById ： ' + followById.toString())
  alert(followById)
}
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5