修复颜色页面bug

src/component/HomePage/ColorboardUpload.vue

@@ -281,6 +281,7 @@ export default defineComponent({
 			// return this.setGradientAngle(gradient)
 			return (gradient)=>{
 				let gradientStr = ''
+				if(!gradient.gradientList)return
 				gradient.gradientList.sort((a, b) => {
 					let aArr = a.left.split('%')[0]
 					let bArr = b.left.split('%')[0]
@@ -771,7 +772,7 @@ export default defineComponent({
 				this.colorList[this.selectIndex].gradient = JSON.parse(JSON.stringify(this.gradient))
 			}else{
 				this.selectColor = {rgba:this.colorList[this.selectIndex].gradient.gradientList[0].rgba}
-				this.colorList[this.selectIndex].gradient = {}
+				this.colorList[this.selectIndex].gradient = null
 			}
 			let colorList =this.colorList.filter((v) => v && Object.keys(v).length)
 			this.setColorboardList(colorList)