fix: 热搜词渲染空白

lib/http/search.dart

@@ -1,3 +1,5 @@
+import 'dart:convert';
+
 import 'package:pilipala/http/index.dart';
 import 'package:pilipala/models/bangumi/info.dart';
 import 'package:pilipala/models/common/search_type.dart';
@@ -8,18 +10,26 @@ import 'package:pilipala/models/search/suggest.dart';
 class SearchHttp {
   static Future hotSearchList() async {
     var res = await Request().get(Api.hotSearchList);
-    if (res.data['code'] == 0) {
+    if (res.data is String) {
+      Map<String, dynamic> resultMap = json.decode(res.data);
+      if (resultMap['code'] == 0) {
+        return {
+          'status': true,
+          'data': HotSearchModel.fromJson(resultMap),
+        };
+      }
+    } else if (res.data is Map<String, dynamic> && res.data['code'] == 0) {
       return {
         'status': true,
         'data': HotSearchModel.fromJson(res.data),
       };
-    } else {
-      return {
-        'status': false,
-        'data': [],
-        'msg': '请求错误 🙅',
-      };
     }
+
+    return {
+      'status': false,
+      'data': [],
+      'msg': '请求错误 🙅',
+    };
   }
 
   // 获取搜索建议