将同步网络请求改为异步的。

RustTools/Views/HomePage.xaml.cs

@@ -42,7 +42,7 @@ public sealed partial class HomePage : Page
 
     private async Task StartAsync()
     {
-        var v = wl.post("/php/mod.php?action=random", new string[][]{
+        var v = await wl.postAsync("/php/mod.php?action=random", new string[][]{
             new string[] { "number", "6" }});
  
         var modListResponse = JsonConvert.DeserializeObject<ModListResponse>(v);
@@ -63,7 +63,7 @@ public sealed partial class HomePage : Page
                 conns.Add(contact);
             }
         }
-        var vv = wl.post("/php/mod.php?action=list", new string[][]{
+        var vv = await wl.postAsync("/php/mod.php?action=list", new string[][]{
             new string[] { "sortMode", "latestTime" },
             new string[] { "limit", "6" },
             new string[] { "tag", "" }}); 

RustTools/muqing/wl.cs

@@ -1,15 +1,21 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-using RestSharp;
+using RestSharp;
 namespace RustTools.muqing;
 
 class wl
 {
     public static string api = "https://rust.coldmint.top";
-    public static string post(string url, string[][] p)
+
+    /// <summary>
+    /// <para>异步Post请求</para>
+    /// </summary>
+    /// <param name="url">
+    /// <para>地址</para>
+    /// </param>
+    /// <param name="p">
+    /// <para>参数</para>
+    /// </param>
+    /// <returns></returns>
+    public static async Task<string> postAsync(string url, string[][] p)
     {
         var client = new RestClient(api);
         var request = new RestRequest(url, Method.Post);
@@ -17,12 +23,19 @@ class wl
         {
             request.AddParameter(p[i][0], p[i][1]);
         }
-        var response = client.Execute(request);
+        var response = await client.ExecuteAsync(request);
         if (response != null)
         {
-#pragma warning disable CS8603 // 可能返回 null 引用。
-            return response.Content;
+            var str = response.Content;
+            if (str == null)
+            {
+                return string.Empty;
+            }
+            else
+            {
+                return str;
+            }
         }
-        return null;
+        return string.Empty;
     } 
 }