Non-function value encountered for default slot in Vue 3

vue3 中的渲染函数render - 稀土掘金 nonfunction value encountered for default slot prefer function slots for better performance default: -, 4033, description: Specifies the format of the value presented, 4034, value: { 4035, type: function(value: number victory slot A non-function value for default slot warning appears to occur when no default slot was available for the custom component (For example, if you

laser slot : Non-function value encountered for default slot Prefer function slots for better performance I'm writing unit tests for my Vue