I use cascading selector to refresh and report this error as soon as I come up. Why? Let"s have a look, gods.
/ / Please paste the code text below (do not replace the code with pictures)
error isn't it clear that the value inside the cascading selector wants an Array, and you pass a String.
check whether the value bound by v-model on the el-cascader component is written by String
although I don't see how your code is written, but the error message printed on the console is already obvious, that is, the value you gave is of the wrong type. It should be an array instead of a string
maybe you gave an empty string during initialization.
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