Merge pull request #5073 from tangge233/homepage

优化：请求头逻辑

Plain Craft Launcher 2/Controls/MyImage.vb

@@ -128,7 +128,10 @@ RetryStart:
                 '下载
                 ActualSource = LoadingSource '显示加载中图片
                 TempDownloadingPath = TempPath & RandomInteger(0, 10000000)
-                NetDownload(Url, TempDownloadingPath, True)
+                Directory.CreateDirectory(GetPathFromFullPath(TempPath))
+                Using Client As New System.Net.WebClient
+                    Client.DownloadFile(Url, TempDownloadingPath)
+                End Using
                 If Url <> Source AndAlso Url <> FallbackSource Then
                     '已经更换了地址
                     File.Delete(TempDownloadingPath)

Plain Craft Launcher 2/Modules/ModSecret.vb

@@ -109,7 +109,9 @@ Friend Module ModSecret
             Client.Headers("User-Agent") = "PCL2/" & VersionStandardCode
         End If
         Client.Headers("Referer") = "http://" & VersionCode & ".pcl2.open.server/"
+        If Url.Contains("api.curseforge") Then
             Client.Headers("x-api-key") = CurseForgeAPIKey
+        End If
     End Sub
     ''' <summary>
     ''' 设置 Headers 的 UA、Referer。
@@ -123,7 +125,9 @@ Friend Module ModSecret
             Request.UserAgent = "PCL2/" & VersionStandardCode
         End If
         Request.Referer = "http://" & VersionCode & ".pcl2.open.server/"
+        If Url.Contains("api.curseforge") Then
             Request.Headers("x-api-key") = CurseForgeAPIKey
+        End If
     End Sub
 
 #End Region