修复接口返回数据异常情况导致报错

pages/FQA/index.vue

@@ -20,7 +20,7 @@
 		methods: {
 			getData(){
 				this.$http(this.API.API_ARTICLE_QA).then(res => {
-					this.content = res.data.content;
+					this.content = res.data?.content;
 				})
 			}
 		}

pages/login/index.vue

@@ -60,7 +60,7 @@
 			// 获取协议
 			getAgree(){
 				this.$http(this.API.API_WXLOGIN_VIEW).then(res => {
-					this.agreement = res.data.agreement;
+					this.agreement = res.data?.agreement;
 				})
 			},
 			// 进入查看协议