fix: 优化进度条的观感

MainForm.Designer.cs

@@ -95,11 +95,11 @@ namespace steam_token
             this.progressBar_refresh.BackColor = System.Drawing.SystemColors.Control;
             this.progressBar_refresh.ForeColor = System.Drawing.SystemColors.Control;
             this.progressBar_refresh.Location = new System.Drawing.Point(12, 28);
-            this.progressBar_refresh.Maximum = 30;
+            this.progressBar_refresh.Maximum = 3000;
             this.progressBar_refresh.Name = "progressBar_refresh";
             this.progressBar_refresh.Size = new System.Drawing.Size(620, 23);
             this.progressBar_refresh.TabIndex = 2;
-            this.progressBar_refresh.Value = 30;
+            this.progressBar_refresh.Value = 3000;
             // 
             // groupBox_display
             // 

Util/SteamGuardCalcThread.cs

@@ -51,13 +51,13 @@ namespace steam_token.Util
                 return;
             }
             CalcOnce();
-            for (int i = 30; i >= 0; i--)
+            for (int i = 3000; i >= 0; i--)
             {
-                Thread.Sleep(1000);
+                Thread.Sleep(1);
                 if (i == 0)
                 {
                     CalcOnce();
-                    i = 30;
+                    i = 3000;
                 }
 
                 progressBar_refresh.Value = i;