diff --git a/Fk/Pages/GeneralsOverview.qml b/Fk/Pages/GeneralsOverview.qml
index 08cc9cfa..1d47987e 100644
--- a/Fk/Pages/GeneralsOverview.qml
+++ b/Fk/Pages/GeneralsOverview.qml
@@ -244,6 +244,7 @@ Item {
           config.curSchemeChanged();
         } else {
           generalText.clear();
+          generalText.clearSavedText();
           generalDetail.general = modelData;
           generalDetail.updateGeneral();
           generalDetail.open();
@@ -505,6 +506,7 @@ Item {
       detailFlickable.contentY = 0; // 重置滚动条
       const data = lcall("GetGeneralDetail", general);
       generalText.clear();
+      generalText.clearSavedText();
       audioModel.clear();
 
       if (data.companions.length > 0){
@@ -619,6 +621,10 @@ Item {
           TextEdit {
             id: generalText
 
+            property var savedtext: []
+            function clearSavedText() {
+              savedtext = [];
+            }
             Layout.fillWidth: true
             readOnly: true
             selectByKeyboard: true
@@ -626,6 +632,14 @@ Item {
             wrapMode: TextEdit.WordWrap
             textFormat: TextEdit.RichText
             font.pixelSize: 18
+            onLinkActivated: (link) => {
+              if (link === "back") {
+                text = savedtext.pop();
+              } else {
+                savedtext.push(text);
+                text = '<a href="back">点击返回</a><br>' + luatr(link);
+              }
+            }
           }
 
           GridLayout {
diff --git a/Fk/Pages/Room.qml b/Fk/Pages/Room.qml
index 654b32e7..c2294ebf 100644
--- a/Fk/Pages/Room.qml
+++ b/Fk/Pages/Room.qml
@@ -1290,6 +1290,10 @@ Item {
     });
   }
 
+  function getPhoto(id) {
+    return Logic.getPhoto(id);
+  }
+
   function applyChange(uiUpdate) {
     uiUpdate["_delete"]?.forEach(data => {
       if (data.type == "Interaction") {
diff --git a/Fk/Pages/RoomLogic.js b/Fk/Pages/RoomLogic.js
index f8c7b638..ce0b422e 100644
--- a/Fk/Pages/RoomLogic.js
+++ b/Fk/Pages/RoomLogic.js
@@ -199,14 +199,15 @@ function getAreaItem(area, id) {
   return null;
 }
 
-function moveCards(moves) {
+function moveCards(data) {
+  const moves = data.merged;
   for (let i = 0; i < moves.length; i++) {
     const move = moves[i];
     const from = getAreaItem(move.fromArea, move.from);
     const to = getAreaItem(move.toArea, move.to);
     if (!from || !to || (from === to && move.fromArea !== Card.DiscardPile))
       continue;
-    const items = from.remove(move.ids, move.fromSpecialName);
+    const items = from.remove(move.ids, move.fromSpecialName, data);
     if (to === tablePile) {
       let vanished = items.filter(c => c.cid === -1);
       if (vanished.length > 0) {
@@ -569,30 +570,6 @@ callbacks["MaxCard"] = (data) => {
   }
 }
 
-function changeSelf(id) {
-  lcall("ChangeSelf", id);
-
-  // move new selfPhoto to dashboard
-  let order = new Array(photoModel.count);
-  for (let i = 0; i < photoModel.count; i++) {
-    const item = photoModel.get(i);
-    order[item.seatNumber - 1] = item.id;
-    if (item.id === Self.id) {
-      dashboard.self = photos.itemAt(i);
-    }
-  }
-  callbacks["ArrangeSeats"](order);
-
-  // update dashboard
-  dashboard.update();
-
-  // handle pending messages
-  if (mainWindow.is_pending) {
-    const data = mainWindow.fetchMessage();
-    return mainWindow.handleMessage(data.command, data.jsonData);
-  }
-}
-
 callbacks["AddPlayer"] = (data) => {
   // jsonData: int id, string screenName, string avatar, bool ready
   for (let i = 0; i < photoModel.count; i++) {
@@ -1538,21 +1515,20 @@ callbacks["UpdateGameData"] = (data) => {
 }
 
 // 神貂蝉
-
-callbacks["StartChangeSelf"] = (j) => {
-  const id = parseInt(j);
-  ClientInstance.notifyServer("PushRequest", "changeself," + j);
-}
-
 callbacks["ChangeSelf"] = (j) => {
-  const data = parseInt(j);
-  if (Self.id === data) {
-    const msg = mainWindow.fetchMessage();
-    if (!msg) return;
-    mainWindow.handleMessage(msg.command, msg.jsonData);
-    return;
+  // move new selfPhoto to dashboard
+  let order = new Array(photoModel.count);
+  for (let i = 0; i < photoModel.count; i++) {
+    const item = photoModel.get(i);
+    order[item.seatNumber - 1] = item.id;
+    if (item.id === Self.id) {
+      dashboard.self = photos.itemAt(i);
+    }
   }
-  changeSelf(data);
+  callbacks["ArrangeSeats"](order);
+
+  // update dashboard
+  dashboard.update();
 }
 
 callbacks["UpdateRequestUI"] = (uiUpdate) => {
diff --git a/Fk/PhotoElement/MarkArea.qml b/Fk/PhotoElement/MarkArea.qml
index ba36da59..41057e2f 100644
--- a/Fk/PhotoElement/MarkArea.qml
+++ b/Fk/PhotoElement/MarkArea.qml
@@ -88,7 +88,7 @@ Item {
           } else {
             if (!root.parent.playerid) return;
             let data = lcall("GetPile", root.parent.playerid, mark_name);
-            data = data.filter((e) => e !== -1);
+            data = data.filter((e) => lcall("CardVisibility", e));
             if (data.length === 0)
               return;
 
diff --git a/Fk/RoomElement/InvisibleCardArea.qml b/Fk/RoomElement/InvisibleCardArea.qml
index 4d533f77..339cece5 100644
--- a/Fk/RoomElement/InvisibleCardArea.qml
+++ b/Fk/RoomElement/InvisibleCardArea.qml
@@ -48,7 +48,7 @@ Item {
     return false;
   }
 
-  function remove(outputs)
+  function remove(outputs, _, visibleData)
   {
     const component = Qt.createComponent("CardItem.qml");
     if (component.status !== Component.Ready)
@@ -67,6 +67,7 @@ Item {
         card.x -= card.width / 2;
         card.x += (i - outputs.length / 2) * 15;
         card.y -= card.height / 2;
+        if (visibleData) card.known = !!visibleData[outputs[i].toString()];
         items.push(card);
         if (checkExisting) {
           for (let j = 0; j < length; j++) {
diff --git a/Fk/RoomElement/Photo.qml b/Fk/RoomElement/Photo.qml
index 99b00058..1d648b6f 100644
--- a/Fk/RoomElement/Photo.qml
+++ b/Fk/RoomElement/Photo.qml
@@ -507,23 +507,6 @@ Item {
       anchors.bottomMargin: 4
       style: Text.Outline
     }
-
-    TapHandler {
-      enabled: (root.state != "candidate" || !root.selectable)
-               && root.playerid !== Self.id
-      onTapped: {
-        const params = { name: "hand_card" };
-        let data = lcall("GetPlayerHandcards", root.playerid);
-        data = data.filter((e) => e !== -1);
-        if (data.length === 0)
-          return;
-
-        params.ids = data;
-
-        // Just for using room's right drawer
-        roomScene.startCheat("../RoomElement/ViewPile", params);
-      }
-    }
   }
 
   TapHandler {
@@ -548,7 +531,10 @@ Item {
 
   RoleComboBox {
     id: role
-    value: root.role
+    value: {
+      if (root.role === "hidden") return "hidden";
+      lcall("RoleVisibility", root.playerid) ? root.role : "unknown";
+    }
     anchors.top: parent.top
     anchors.topMargin: -4
     anchors.right: parent.right
@@ -798,6 +784,91 @@ Item {
     }
   }
 
+  Rectangle {
+    color: "#CC2E2C27"
+    radius: 6
+    border.color: "#A6967A"
+    border.width: 1
+    width: 44
+    height: 112
+    /* 有点小问题，因为绝大部分都是手机玩家我还是无脑放左
+    x: {
+      const roomX = mapToItem(roomScene, root.x, root.y).x;
+      if (roomX < 48) return 175;
+      return -44;
+    }
+    */
+    x: -44
+    y: 128
+    visible: {
+      if (root.playerid === Self.id) return false;
+      if (root.handcards === 0) return false; // 优先绑定再判buddy，否则不会更新
+      if (!lcall("IsMyBuddy", Self.id, root.playerid) &&
+        !lcall("HasVisibleCard", Self.id, root.playerid)) return false;
+      return true;
+    }
+
+    Text {
+      x: 2; y: 2
+      width: 42
+      text: {
+        if (!parent.visible) return "";
+        const unused = root.handcards; // 绑定
+        const ids = lcall("GetPlayerHandcards", root.playerid);
+        const txt = [];
+        for (const cid of ids) {
+          if (txt.length >= 4) {
+            // txt.push("&nbsp;&nbsp;&nbsp;...");
+            txt.push("...");
+            break;
+          }
+          if (!lcall("CardVisibility", cid)) continue;
+          const data = lcall("GetCardData", cid);
+          let a = luatr(data.name);
+          /* if (a.length === 1) {
+            a = "&nbsp;&nbsp;" + a;
+          } else  */
+          if (a.length >= 2) {
+            a = a.slice(0, 2);
+          }
+          txt.push(a);
+        }
+
+        if (txt.length < 5) {
+          const unknownCards = ids.length - txt.length;
+          for (let i = 0; i < unknownCards; i++) {
+            if (txt.length >= 4) {
+              txt.push("...");
+              break;
+            } else {
+              txt.push("?");
+            }
+          }
+        }
+
+        return txt.join("<br>");
+      }
+      color: "#E4D5A0"
+      font.family: fontLibian.name
+      font.pixelSize: 18
+      textFormat: Text.RichText
+      horizontalAlignment: Text.AlignHCenter
+    }
+
+    TapHandler {
+      onTapped: {
+        const params = { name: "hand_card" };
+        let data = lcall("GetPlayerHandcards", root.playerid);
+        data = data.filter((e) => lcall("CardVisibility", e));
+
+        params.ids = data;
+
+        // Just for using room's right drawer
+        roomScene.startCheat("../RoomElement/ViewPile", params);
+      }
+    }
+  }
+
   onGeneralChanged: {
     if (!roomScene.isStarted) return;
     const text = luatr(general);
diff --git a/Fk/RoomElement/PlayerCardBox.qml b/Fk/RoomElement/PlayerCardBox.qml
index 1d4fcfdb..1dc51865 100644
--- a/Fk/RoomElement/PlayerCardBox.qml
+++ b/Fk/RoomElement/PlayerCardBox.qml
@@ -75,7 +75,7 @@ GraphicsBox {
             suit: model.suit || ""
             number: model.number || 0
             autoBack: false
-            known: model.cid !== -1
+            known: model.known
             selectable: true
             onClicked: {
               if (!root.multiChoose) {
diff --git a/Fk/RoomElement/PoxiBox.qml b/Fk/RoomElement/PoxiBox.qml
index 62a98c53..88f76efc 100644
--- a/Fk/RoomElement/PoxiBox.qml
+++ b/Fk/RoomElement/PoxiBox.qml
@@ -71,7 +71,7 @@ GraphicsBox {
             suit: model.suit || ""
             number: model.number || 0
             autoBack: false
-            known: model.cid !== -1
+            known: model.known
             selectable: chosenInBox ||
               lcall("PoxiFilter", root.poxi_type, model.cid, root.selected_ids,
                     root.card_data, root.extra_data);
diff --git a/Fk/RoomElement/TablePile.qml b/Fk/RoomElement/TablePile.qml
index 7de8d1ac..b373425f 100644
--- a/Fk/RoomElement/TablePile.qml
+++ b/Fk/RoomElement/TablePile.qml
@@ -21,7 +21,7 @@ Item {
   function inTable(cid) {
     return leval(`(function()
       local client = Fk:currentRoom()
-      if client._processing[${cid}] then
+      if table.contains(client.processing_area, ${cid}) then
         return true
       end
       return false
diff --git a/Fk/main.qml b/Fk/main.qml
index 469fea57..da6b8826 100644
--- a/Fk/main.qml
+++ b/Fk/main.qml
@@ -26,8 +26,6 @@ Window {
       ? 540 : 960 * parent.height / parent.width
     scale: parent.width / width
     anchors.centerIn: parent
-    property bool is_pending: false
-    property var pending_message: []
 
     Config {
       id: config
@@ -158,17 +156,7 @@ Window {
           errDialog.open();
           return;
         }
-        if (mainWindow.is_pending && command !== "ChangeSelf") {
-          mainWindow.pending_message.push({
-                                            command: command,
-                                            jsonData: jsonData,
-                                          });
-        } else {
-          if (command === "StartChangeSelf") {
-            mainWindow.is_pending = true;
-          }
-          mainWindow.handleMessage(command, jsonData);
-        }
+        mainWindow.handleMessage(command, jsonData);
       }
     }
 
diff --git a/packages/test/init.lua b/packages/test/init.lua
index 12b8385b..001d4499 100644
--- a/packages/test/init.lua
+++ b/packages/test/init.lua
@@ -356,6 +356,22 @@ test2:addSkill(test_zhenggong)
 test2:addSkill(change_hero)
 -- test2:addSkill(test_feichu)
 
+local kansha=fk.CreateVisibilitySkill{
+  name='test_kansha',
+  frequency=Skill.Compulsory,
+  card_visible = function(self, player, card)
+    if player:hasSkill(self) and card.trueName == 'slash' and
+      Fk:currentRoom():getCardArea(card) == Card.PlayerHand then
+      return true
+    end
+  end
+}
+test2:addSkill(kansha)
+Fk:loadTranslationTable{
+  ["test_kansha"] = "看杀",
+  [":test_kansha"] = "锁定技，你看得到人们手中的【杀】"
+}
+
 local shibing = General(extension, "blank_shibing", "qun", 5)
 shibing.hidden = true
 Fk:loadTranslationTable{
diff --git a/src/swig/qt.i b/src/swig/qt.i
index a24de19f..3bf94c3d 100644
--- a/src/swig/qt.i
+++ b/src/swig/qt.i
@@ -50,3 +50,26 @@ public:
   QByteArray toJson(QJsonDocument::JsonFormat format = 1) const;
   QVariant toVariant() const;
 };
+
+class QRandomGenerator {
+public:
+  QRandomGenerator(unsigned int seed = 1);
+  unsigned int generate();
+  unsigned int bounded(unsigned int lowest, unsigned int highest);
+};
+
+%extend QRandomGenerator {
+  QVariant random(int low = -1, int high = -1) {
+    QVariant ret;
+    if (high < 0) {
+      if (low < 1) {
+        ret.setValue($self->bounded(0, 100001) / 100000);
+      } else {
+        ret.setValue($self->bounded(1, low + 1));
+      }
+    } else {
+      ret.setValue($self->bounded(low, high + 1));
+    }
+    return ret;
+  }
+}
diff --git a/test/lua/lib/fk.lua b/test/lua/lib/fk.lua
index 5fc4c449..b4f6c9e9 100644
--- a/test/lua/lib/fk.lua
+++ b/test/lua/lib/fk.lua
@@ -3,6 +3,8 @@
 local fk = {}
 local testFail = false
 
+local json = require "lua.lib.json"
+
 local os, io = os, io
 
 -- 这下Linux专用了
@@ -13,12 +15,35 @@ end
 
 function fk.QmlBackend_isDir(dir)
   local f = io.popen("if [ -d " .. dir .. " ]; then echo OK; fi")
-  return f:read("*a"):startsWith("OK")
+  return f:read("*a"):sub(1, 2) == "OK"
 end
 
 function fk.QmlBackend_exists(dir)
   local f = io.popen("if [ -e " .. dir .. " ]; then echo OK; fi")
-  return f:read("*a"):startsWith("OK")
+  return f:read("*a"):sub(1, 2) == "OK"
+end
+
+function fk.QmlBackend_pwd()
+  local f = io.popen("pwd")
+  return f:read("*a")
+end
+
+function fk.QmlBackend_cd(dir) end
+
+function fk.QJsonDocument_fromVariant(e)
+  return {
+    toJson = function(_, __)
+      return json.encode(e)
+    end,
+  }
+end
+
+function fk.QJsonDocument_fromJson(str)
+  return {
+    toVariant = function(_)
+      return json.decode(str)
+    end,
+  }
 end
 
 function fk.GetDisabledPacks()
@@ -46,7 +71,7 @@ end
 function fk.roomtest(croom, f)
   local room = Room(croom)
   RoomInstance = room
-  room.action = function() f(room) end
+  --room.action = function() f(room) end
   while true do
     local over = room:resume()
     if over then break else room.in_delay = false end
diff --git a/test/lua/lib/room.lua b/test/lua/lib/room.lua
index f6cc166b..6f325774 100644
--- a/test/lua/lib/room.lua
+++ b/test/lua/lib/room.lua
@@ -7,6 +7,11 @@ function Room:getPlayers() return self.players end
 function Room:getTimeout() return 15 end
 function Room:updateWinRate() end
 function Room:gameOver() end
+function Room:setRequestTimer() end
+function Room:destroyRequestTimer() end
+function Room:delay(ms)
+--  fk.io.popen("sleep " .. ms/1000):read()
+end
 function Room:settings()
   return json.encode{
     enableFreeAssign = false,
diff --git a/test/lua/lib/serverplayer.lua b/test/lua/lib/serverplayer.lua
index e62e8db1..4ae3b5f8 100644
--- a/test/lua/lib/serverplayer.lua
+++ b/test/lua/lib/serverplayer.lua
@@ -581,7 +581,7 @@ function ServerPlayer:waitForReply()
   return ""
 end
 function ServerPlayer:doNotify(cmd, j)
-  if self.id ~= 1 then
+  if self.id ~= 100 then
     return
   end
   if cmd == "GameLog" then
diff --git a/test/lua/server/logic.lua b/test/lua/server/logic.lua
index e68a23d6..e453319a 100644
--- a/test/lua/server/logic.lua
+++ b/test/lua/server/logic.lua
@@ -5,7 +5,7 @@ _TestGameLogic = {
   setup = function()
     croom = fk.Room:new()
     croom.players = {
-      fk.ServerPlayer:new(1),
+      fk.ServerPlayer:new(100),
       fk.ServerPlayer:new(2),
       fk.ServerPlayer:new(3),
       fk.ServerPlayer:new(4),