feat:练字贴功能基本完成

miniprogram/components/word-picker/word-picker.ts

@@ -10,6 +10,10 @@ Component({
             type: Boolean,
             value: false,
         },
+        cardList: {
+            type: Array,
+            value: [],
+        },
         currentTab: {
             type: Number,
             value: 0,
@@ -31,14 +35,20 @@ Component({
     },
     lifetimes: {
         ready() {
+            // 初始化同步一次 selectedWords，避免首次传入时未触发 observers 的情况
+            const list = (this.data as any).cardList || [];
+            if (Array.isArray(list) && list.length > 0) {
+                const selectedWords = list.map((item: any) => item.word);
+                this.setData({ selectedWords });
+            }
         },
     },
-    /* observers: {
+    observers: {
         cardList(newVal: CardList) {
             const selectedWords = newVal.map((item) => item.word);
             this.setData({ selectedWords });
         },
-    }, */
+    },
     /**
      * 组件的方法列表
      */

miniprogram/components/word-picker/word-picker.wxml

@@ -30,7 +30,7 @@
                 wx:for="{{wordList}}"
                 wx:for-index="categoryIndex"
                 wx:key="categoryIndex"
-                title="{{wordList[categoryIndex].categoryName}}">
+                title="{{wordList[categoryIndex].icon}} {{wordList[categoryIndex].categoryName}}">
                 <view class="word-list-wrapper">
                     <view class="word-list">
                         <view