修复登录返回后闪退的问题

src/DownKyi.Core/Storage/StorageCover.cs

@@ -90,7 +90,7 @@ namespace DownKyi.Core.Storage
                     };
                     coverDb.Update(newCover);
 
-                    coverDb.Close();
+                    //coverDb.Close();
                     return $"{StorageManager.GetCover()}/{cover.Md5}";
                 }
                 else
@@ -108,12 +108,12 @@ namespace DownKyi.Core.Storage
                         };
                         coverDb.Update(newCover);
 
-                        coverDb.Close();
+                        //coverDb.Close();
                         return $"{StorageManager.GetCover()}/{md5}";
                     }
                     else
                     {
-                        coverDb.Close();
+                        //coverDb.Close();
                         return null;
                     }
                 }
@@ -133,12 +133,12 @@ namespace DownKyi.Core.Storage
                     };
                     coverDb.Insert(newCover);
 
-                    coverDb.Close();
+                    //coverDb.Close();
                     return $"{StorageManager.GetCover()}/{md5}";
                 }
                 else
                 {
-                    coverDb.Close();
+                    //coverDb.Close();
                     return null;
                 }
             }

src/DownKyi.Core/Storage/StorageHeader.cs

@@ -73,7 +73,7 @@ namespace DownKyi.Core.Storage
                         Md5 = header.Md5
                     };
                     headerDb.Update(newHeader);
-                    headerDb.Close();
+                    //headerDb.Close();
                     return $"{StorageManager.GetHeader()}/{header.Md5}";
                 }
                 else
@@ -89,12 +89,12 @@ namespace DownKyi.Core.Storage
                             Md5 = md5
                         };
                         headerDb.Insert(newHeader);
-                        headerDb.Close();
+                        //headerDb.Close();
                         return $"{StorageManager.GetHeader()}/{md5}";
                     }
                     else
                     {
-                        headerDb.Close();
+                        //headerDb.Close();
                         return null;
                     }
                 }
@@ -112,12 +112,12 @@ namespace DownKyi.Core.Storage
                         Md5 = md5
                     };
                     headerDb.Insert(newHeader);
-                    headerDb.Close();
+                    //headerDb.Close();
                     return $"{StorageManager.GetHeader()}/{md5}";
                 }
                 else
                 {
-                    headerDb.Close();
+                    //headerDb.Close();
                     return null;
                 }
             }

src/DownKyi/ViewModels/ViewIndexViewModel.cs

@@ -226,6 +226,8 @@ namespace DownKyi.ViewModels
         /// 更新用户登录信息
         /// </summary>
         private async void UpdateUserInfo()
+        {
+            try
             {
                 LoginPanelVisibility = Visibility.Hidden;
 
@@ -287,6 +289,12 @@ namespace DownKyi.ViewModels
                     }));
                 }));
             }
+            catch (Exception e)
+            {
+                Core.Utils.Debugging.Console.PrintLine("UpdateUserInfo()发生异常: {0}", e);
+                LogManager.Error(Tag, e);
+            }
+        }
 
         #endregion
 

src/DownKyi/ViewModels/ViewLoginViewModel.cs

@@ -97,6 +97,8 @@ namespace DownKyi.ViewModels
         /// 登录
         /// </summary>
         private void Login()
+        {
+            try
             {
                 var loginUrl = LoginQR.GetLoginUrl();
                 if (loginUrl == null) { return; }
@@ -119,6 +121,12 @@ namespace DownKyi.ViewModels
 
                 GetLoginStatus(loginUrl.Data.OauthKey);
             }
+            catch (Exception e)
+            {
+                Core.Utils.Debugging.Console.PrintLine("Login()发生异常: {0}", e);
+                LogManager.Error(Tag, e);
+            }
+        }
 
         /// <summary>
         /// 循环查询登录状态