[Vue warn]: Error in render: "TypeError: this.formData.subImages.split is not a function"

問題： 錯誤代碼： computed:{ //附圖輪播圖 subImgList(){ let imgArray = this.formData.subImages.split(','); imgArray.map(n => { this.subImg.push({ name:'sub-img', url:n })

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