update：训练难度展示ui完成

src/pages/training/index.vue

@@ -102,9 +102,8 @@ const openTrainingRecord = () => {
 };
 
 const openFeaturedTraining = () => {
-  uni.showToast({
-    title: `进入${trainingHomeFeatured.title}`,
-    icon: "none",
+  uni.navigateTo({
+    url: "/pages/training/difficulty?mode=basic",
   });
 };
 
@@ -117,9 +116,8 @@ const openTrainingMode = (item) => {
     return;
   }
 
-  uni.showToast({
-    title: `进入${item.title}`,
-    icon: "none",
+  uni.navigateTo({
+    url: `/pages/training/difficulty?mode=${item.key}`,
   });
 };