diff --git a/Fk/Pages/Room.qml b/Fk/Pages/Room.qml
index dc12f962..45519d71 100644
--- a/Fk/Pages/Room.qml
+++ b/Fk/Pages/Room.qml
@@ -308,90 +308,47 @@ Item {
   }
 
   states: [
-    State { name: "notactive" }, // Normal status
-    State { name: "playing" }, // Playing cards in playing phase
-    State { name: "responding" }, // all requests need to operate dashboard
-    State { name: "replying" } // requests only operate a popup window
+    State { name: "notactive" },
+    State { name: "active" }
   ]
   state: "notactive"
   transitions: [
     Transition {
-      from: "*"; to: "notactive"
+      from: "active"; to: "notactive"
       ScriptAction {
         script: {
           skillInteraction.sourceComponent = undefined;
           promptText = "";
-          currentPrompt = "";
           progress.visible = false;
           okCancel.visible = false;
           endPhaseButton.visible = false;
-          respond_play = false;
-          extra_data = {};
-          mainWindow.pending_message = [];
-          mainWindow.is_pending = false;
+          progress.visible = false;
 
-          if (dashboard.pending_skill !== "")
-            dashboard.stopPending();
-          dashboard.updateHandcards();
           dashboard.disableAllCards();
           dashboard.disableSkills();
-          dashboard.retractAllPiles();
-          selected_targets = [];
-          autoPending = false;
+          // dashboard.retractAllPiles();
+
+          for (let i = 0; i < photoModel.count; i++) {
+            const item = photos.itemAt(i);
+            item.state = "normal";
+            item.selected = false;
+            // item.selectable = false;
+          }
 
           if (popupBox.item != null) {
             popupBox.item.finished();
           }
+
+          lcall("FinishRequestUI");
         }
       }
     },
 
     Transition {
-      from: "*"; to: "playing"
+      from: "notactive"; to: "active"
       ScriptAction {
         script: {
-          skillInteraction.sourceComponent = undefined;
-          dashboard.updateHandcards();
-          dashboard.enableCards();
-          dashboard.enableSkills();
           progress.visible = true;
-          okCancel.visible = true;
-          autoPending = false;
-          endPhaseButton.visible = true;
-          respond_play = false;
-        }
-      }
-    },
-
-    Transition {
-      from: "*"; to: "responding"
-      ScriptAction {
-        script: {
-          skillInteraction.sourceComponent = undefined;
-          dashboard.updateHandcards();
-          dashboard.enableCards(responding_card);
-          dashboard.enableSkills(responding_card, respond_play);
-          autoPending = false;
-          progress.visible = true;
-          okCancel.visible = true;
-        }
-      }
-    },
-
-    Transition {
-      from: "*"; to: "replying"
-      ScriptAction {
-        script: {
-          skillInteraction.sourceComponent = undefined;
-          dashboard.updateHandcards();
-          dashboard.disableAllCards();
-          dashboard.disableSkills();
-          progress.visible = true;
-          respond_play = false;
-          autoPending = false;
-          roomScene.okCancel.visible = false;
-          roomScene.okButton.enabled = false;
-          roomScene.cancelButton.enabled = false;
         }
       }
     }
@@ -445,7 +402,8 @@ Item {
         sealedSlots: JSON.parse(model.sealedSlots)
 
         onSelectedChanged: {
-          Logic.updateSelectedTargets(playerid, selected);
+          // Logic.updateSelectedTargets(playerid, selected);
+          if ( state === "candidate" ) lcall("UpdateRequestUI", "Photo", playerid, "click", { selected } );
         }
 
         Component.onCompleted: {
@@ -796,7 +754,6 @@ Item {
 
     Loader {
       id: skillInteraction
-      visible: dashboard.pending_skill !== ""
       anchors.bottom: parent.bottom
       anchors.bottomMargin: 8
       anchors.right: okCancel.left
@@ -817,20 +774,20 @@ Item {
                  && !skippedUseEventId.find(id => id === extra_data.useEventId)
         onClicked: {
           skippedUseEventId.push(extra_data.useEventId);
-          Logic.doCancelButton();
+          // Logic.doCancelButton();
         }
       }
 
       Button {
         id: okButton
         text: luatr("OK")
-        onClicked: Logic.doOkButton();
+        onClicked: lcall("UpdateRequestUI", "Button", "OK");
       }
 
       Button {
         id: cancelButton
         text: luatr("Cancel")
-        onClicked: Logic.doCancelButton();
+        onClicked: lcall("UpdateRequestUI", "Button", "Cancel");
       }
     }
 
@@ -842,7 +799,7 @@ Item {
       anchors.right: parent.right
       anchors.rightMargin: 30
       visible: false;
-      onClicked: Logic.replyToServer("");
+      onClicked: lcall("UpdateRequestUI", "Button", "End");
     }
   }
 
@@ -897,53 +854,8 @@ Item {
     z: 999
   }
 
-  function activateSkill(skill_name, pressed) {
-    if (pressed) {
-      const data = lcall("GetInteractionOfSkill", skill_name);
-      if (data) {
-        lcall("SetInteractionDataOfSkill", skill_name, "null");
-        switch (data.type) {
-        case "combo":
-          skillInteraction.sourceComponent =
-            Qt.createComponent("../SkillInteraction/SkillCombo.qml");
-          skillInteraction.item.skill = skill_name;
-          skillInteraction.item.default_choice = data["default"];
-          skillInteraction.item.choices = data.choices;
-          skillInteraction.item.detailed = data.detailed;
-          skillInteraction.item.all_choices = data.all_choices;
-          skillInteraction.item.clicked();
-          break;
-        case "spin":
-          skillInteraction.sourceComponent =
-            Qt.createComponent("../SkillInteraction/SkillSpin.qml");
-          skillInteraction.item.skill = skill_name;
-          skillInteraction.item.from = data.from;
-          skillInteraction.item.to = data.to;
-          skillInteraction.item.clicked();
-          break;
-        case "custom":
-          skillInteraction.sourceComponent =
-            Qt.createComponent(AppPath + "/" + data.qml_path + ".qml");
-          skillInteraction.item.skill = skill_name;
-          skillInteraction.item.extra_data = data;
-          skillInteraction.item.clicked();
-          break;
-        default:
-          skillInteraction.sourceComponent = undefined;
-          break;
-        }
-      } else {
-        skillInteraction.sourceComponent = undefined;
-      }
-
-      dashboard.startPending(skill_name);
-      cancelButton.enabled = true;
-    } else {
-      skillInteraction.sourceComponent = undefined;
-      if (roomScene.popupBox.item)
-        roomScene.popupBox.item.close();
-      Logic.doCancelButton();
-    }
+  function activateSkill(skill_name, selected) {
+    lcall("UpdateRequestUI", "SkillButton", skill_name, "click", { selected } );
   }
 
   Drawer {
@@ -1182,14 +1094,14 @@ Item {
   Shortcut {
     sequence: "Return"
     enabled: okButton.enabled
-    onActivated: Logic.doOkButton();
+    onActivated: lcall("UpdateRequestUI", "Button", "OK");
   }
 
   Shortcut {
     sequence: "Space"
     enabled: cancelButton.enabled || endPhaseButton.visible;
     onActivated: if (cancelButton.enabled) {
-      Logic.doCancelButton();
+      lcall("UpdateRequestUI", "Button", "Cancel");
     } else {
       Logic.replyToServer("");
     }
@@ -1423,8 +1335,75 @@ Item {
     });
   }
 
-  function getPhoto(id) {
-    return Logic.getPhoto(id);
+  function applyChange(uiUpdate) {
+    //console.log(JSON.stringify(uiUpdate))
+    uiUpdate["_delete"]?.forEach(data => {
+      if (data.type == "Interaction") {
+        skillInteraction.sourceComponent = undefined;
+        if (roomScene.popupBox.item)
+          roomScene.popupBox.item.close();
+      }
+    });
+    uiUpdate["_new"]?.forEach(dat => {
+      if (dat.type == "Interaction") {
+        const data = dat.data.spec;
+        const skill_name = dat.data.skill_name;
+        switch (data.type) {
+        case "combo":
+          skillInteraction.sourceComponent =
+            Qt.createComponent("../SkillInteraction/SkillCombo.qml");
+          skillInteraction.item.skill = skill_name;
+          skillInteraction.item.default_choice = data["default"];
+          skillInteraction.item.choices = data.choices;
+          skillInteraction.item.detailed = data.detailed;
+          skillInteraction.item.all_choices = data.all_choices;
+          skillInteraction.item.clicked();
+          break;
+        case "spin":
+          skillInteraction.sourceComponent =
+            Qt.createComponent("../SkillInteraction/SkillSpin.qml");
+          skillInteraction.item.skill = skill_name;
+          skillInteraction.item.from = data.from;
+          skillInteraction.item.to = data.to;
+          skillInteraction.item?.clicked();
+          break;
+        case "custom":
+          skillInteraction.sourceComponent =
+            Qt.createComponent(AppPath + "/" + data.qml_path + ".qml");
+          skillInteraction.item.skill = skill_name;
+          skillInteraction.item.extra_data = data;
+          skillInteraction.item?.clicked();
+          break;
+        default:
+          skillInteraction.sourceComponent = undefined;
+          break;
+        }
+      }
+    });
+
+    dashboard.applyChange(uiUpdate);
+    const pdatas = uiUpdate["Photo"];
+    pdatas?.forEach(pdata => {
+      const photo = Logic.getPhoto(pdata.id);
+      photo.state = pdata.state;
+      photo.selectable = pdata.enabled;
+      photo.selected = pdata.selected;
+    })
+    const buttons = uiUpdate["Button"];
+    buttons?.forEach(bdata => {
+      switch (bdata.id) {
+        case "OK":
+          okButton.enabled = bdata.enabled;
+          break;
+        case "Cancel":
+          cancelButton.enabled = bdata.enabled;
+          break;
+        case "End":
+          endPhaseButton.enabled = bdata.enabled;
+          endPhaseButton.visible = bdata.enabled;
+          break;
+      }
+    })
   }
 
   Component.onCompleted: {
diff --git a/Fk/Pages/RoomLogic.js b/Fk/Pages/RoomLogic.js
index cbf804c9..ec7df083 100644
--- a/Fk/Pages/RoomLogic.js
+++ b/Fk/Pages/RoomLogic.js
@@ -134,76 +134,76 @@ function arrangePhotos() {
   }
 }
 
-function doOkButton() {
-  if (roomScene.state === "playing" || roomScene.state === "responding") {
-    const reply = JSON.stringify({
-      card: dashboard.getSelectedCard(),
-      targets: selected_targets,
-      special_skill: roomScene.getCurrentCardUseMethod(),
-      interaction_data: roomScene.skillInteraction.item ?
-                        roomScene.skillInteraction.item.answer : undefined,
-    });
-    replyToServer(reply);
-    return;
-  }
-  if (roomScene.extra_data.luckCard) {
-    okButton.enabled = false;
-    ClientInstance.notifyServer("PushRequest", [
-      "luckcard", true
-    ].join(","));
+// function doOkButton() {
+//   if (roomScene.state === "playing" || roomScene.state === "responding") {
+//     const reply = JSON.stringify({
+//       card: dashboard.getSelectedCard(),
+//       targets: selected_targets,
+//       special_skill: roomScene.getCurrentCardUseMethod(),
+//       interaction_data: roomScene.skillInteraction.item ?
+//                         roomScene.skillInteraction.item.answer : undefined,
+//     });
+//     replyToServer(reply);
+//     return;
+//   }
+//   if (roomScene.extra_data.luckCard) {
+//     okButton.enabled = false;
+//     ClientInstance.notifyServer("PushRequest", [
+//       "luckcard", true
+//     ].join(","));
 
-    if (roomScene.extra_data.time === 1) {
-      roomScene.state = "notactive";
-    }
+//     if (roomScene.extra_data.time === 1) {
+//       roomScene.state = "notactive";
+//     }
 
-    return;
-  }
-  replyToServer("1");
-}
+//     return;
+//   }
+//   replyToServer("1");
+// }
 
-let _is_canceling = false;
-function doCancelButton() {
-  if (_is_canceling) return;
-  _is_canceling = true;
+// let _is_canceling = false;
+// function doCancelButton() {
+//   if (_is_canceling) return;
+//   _is_canceling = true;
 
-  if (roomScene.state === "playing") {
-    dashboard.stopPending();
-    dashboard.deactivateSkillButton();
-    dashboard.unSelectAll();
-    dashboard.enableCards();
-    dashboard.enableSkills();
+  // if (roomScene.state === "playing") {
+  //   dashboard.stopPending();
+  //   dashboard.deactivateSkillButton();
+  //   dashboard.unSelectAll();
+  //   dashboard.enableCards();
+  //   dashboard.enableSkills();
 
-    _is_canceling = false;
-    return;
-  } else if (roomScene.state === "responding") {
-    const p = dashboard.pending_skill;
-    dashboard.stopPending();
-    dashboard.deactivateSkillButton();
-    dashboard.unSelectAll();
-    if (roomScene.autoPending || !p) {
-      replyToServer("__cancel");
-    } else {
-      dashboard.enableCards(roomScene.responding_card);
-      dashboard.enableSkills(roomScene.responding_card);
-    }
+  //   _is_canceling = false;
+  //   return;
+  // } else if (roomScene.state === "responding") {
+  //   const p = dashboard.pending_skill;
+  //   dashboard.stopPending();
+  //   dashboard.deactivateSkillButton();
+  //   dashboard.unSelectAll();
+  //   if (roomScene.autoPending || !p) {
+  //     replyToServer("__cancel");
+  //   } else {
+  //     dashboard.enableCards(roomScene.responding_card);
+  //     dashboard.enableSkills(roomScene.responding_card);
+  //   }
 
-    _is_canceling = false;
-    return;
-  }
+  //   _is_canceling = false;
+  //   return;
+  // }
 
-  if (roomScene.extra_data.luckCard) {
-    ClientInstance.notifyServer("PushRequest", [
-      "luckcard", false
-    ].join(","));
-    roomScene.state = "notactive";
+  //   if (roomScene.extra_data.luckCard) {
+  //     ClientInstance.notifyServer("PushRequest", [
+  //       "luckcard", false
+  //     ].join(","));
+  //     roomScene.state = "notactive";
 
-    _is_canceling = false;
-    return;
-  }
+  //     _is_canceling = false;
+  //     return;
+  //   }
 
-  replyToServer("__cancel");
-  _is_canceling = false;
-}
+  //   replyToServer("__cancel");
+  //   _is_canceling = false;
+  // }
 
 function replyToServer(jsonData) {
   ClientInstance.replyToServer("", jsonData);
@@ -693,6 +693,7 @@ callbacks["AddPlayer"] = (data) => {
   }
 }
 
+/*
 // card: int | { skill: string, subcards: int[] }
 function enableTargets(card) {
   if (roomScene.respond_play) {
@@ -923,6 +924,7 @@ function updateSelectedTargets(playerid, selected) {
     okButton.enabled = false;
   }
 }
+*/
 
 callbacks["RemovePlayer"] = (data) => {
   // jsonData: int uid
@@ -1155,10 +1157,11 @@ callbacks["AskForSkillInvoke"] = (data) => {
   const prompt = data[1];
   roomScene.promptText = prompt ? processPrompt(prompt)
                               : luatr("#AskForSkillInvoke").arg(luatr(skill));
-  roomScene.state = "replying";
-  roomScene.okCancel.visible = true;
-  roomScene.okButton.enabled = true;
-  roomScene.cancelButton.enabled = true;
+  // roomScene.state = "replying";
+  // roomScene.okCancel.visible = true;
+  // roomScene.okButton.enabled = true;
+  // roomScene.cancelButton.enabled = true;
+  roomScene.state = "active";
 }
 
 callbacks["AskForArrangeCards"] = (data) => {
@@ -1454,13 +1457,10 @@ callbacks["MoveCards"] = (moves) => {
   moveCards(moves);
 }
 
-callbacks["PlayCard"] = (playerId) => {
-  // jsonData: int playerId
-  if (playerId === Self.id) {
-    roomScene.setPrompt(luatr("#PlayCard"), true);
-    roomScene.state = "playing";
-    okButton.enabled = false;
-  }
+// 切换状态 -> 向Lua询问UI情况
+// 所以Lua一开始就要设置好各种亮灭的值 而这个自然是通过update
+callbacks["PlayCard"] = () => {
+  roomScene.state = "active";
 }
 
 callbacks["LoseSkill"] = (data) => {
@@ -1504,17 +1504,17 @@ callbacks["AskForUseActiveSkill"] = (data) => {
   }
 
   roomScene.respond_play = false;
-  roomScene.state = "responding";
+  roomScene.state = "active";
 
-  if (lcall('GetSkillData', skill_name).isViewAsSkill) {
-    roomScene.responding_card = ".";
-  }
+  // if (lcall('GetSkillData', skill_name).isViewAsSkill) {
+  //   roomScene.responding_card = ".";
+  // }
 
-  roomScene.autoPending = true;
-  roomScene.extra_data = extra_data;
-  // dashboard.startPending(skill_name);
-  roomScene.activateSkill(skill_name, true);
-  cancelButton.enabled = cancelable;
+  // roomScene.autoPending = true;
+  // roomScene.extra_data = extra_data;
+  // // dashboard.startPending(skill_name);
+  // // roomScene.activateSkill(skill_name, true);
+  // cancelButton.enabled = cancelable;
 }
 
 callbacks["CancelRequest"] = () => {
@@ -1535,7 +1535,7 @@ callbacks["AskForUseCard"] = (data) => {
   if (extra_data != null) {
     if (extra_data.effectTo !== Self.id &&
         roomScene.skippedUseEventId.find(id => id === extra_data.useEventId)) {
-      doCancelButton();
+      // doCancelButton();
       return;
     } else {
       roomScene.extra_data = extra_data;
@@ -1548,12 +1548,13 @@ callbacks["AskForUseCard"] = (data) => {
   } else {
     roomScene.setPrompt(processPrompt(prompt), true);
   }
-  roomScene.responding_card = pattern;
-  roomScene.respond_play = false;
-  disabledSkillNames && (dashboard.disabledSkillNames = disabledSkillNames);
-  roomScene.state = "responding";
-  okButton.enabled = false;
-  cancelButton.enabled = true;
+  roomScene.state = "active";
+  // roomScene.responding_card = pattern;
+  // roomScene.respond_play = false;
+  // disabledSkillNames && (dashboard.disabledSkillNames = disabledSkillNames);
+  // roomScene.state = "responding";
+  // okButton.enabled = false;
+  // cancelButton.enabled = true;
 }
 
 callbacks["AskForResponseCard"] = (data) => {
@@ -1569,12 +1570,13 @@ callbacks["AskForResponseCard"] = (data) => {
   } else {
     roomScene.setPrompt(processPrompt(prompt), true);
   }
-  roomScene.responding_card = pattern;
-  roomScene.respond_play = true;
-  disabledSkillNames && (dashboard.disabledSkillNames = disabledSkillNames);
-  roomScene.state = "responding";
-  okButton.enabled = false;
-  cancelButton.enabled = true;
+  roomScene.state = "active";
+  // roomScene.responding_card = pattern;
+  // roomScene.respond_play = true;
+  // disabledSkillNames && (dashboard.disabledSkillNames = disabledSkillNames);
+  // roomScene.state = "responding";
+  // okButton.enabled = false;
+  // cancelButton.enabled = true;
 }
 
 callbacks["WaitForNullification"] = () => {
@@ -1872,8 +1874,32 @@ callbacks["AskForLuckCard"] = (j) => {
   roomScene.cancelButton.enabled = true;
 }
 
-callbacks["CancelRequest"] = (jsonData) => {
-  ClientInstance.replyToServer("", "__cancel")
+//callbacks["CancelRequest"] = (jsonData) => {
+//  ClientInstance.replyToServer("", "__cancel")
+//}
+
+callbacks["UpdateRequestUI"] = (uiUpdate) => {
+  if (uiUpdate["_prompt"])
+    roomScene.promptText = processPrompt(uiUpdate["_prompt"]);
+
+  if (uiUpdate._type == "RoomScene" || uiUpdate._type == "OKScene") {
+    // 需要判断是不是第一次收到这样的数据，可以通过state判断
+    // 因为是先收到Lua的数据，再切换状态的
+    // FIXME: 当然了 非常可能出现因为网络延迟过大导致在active状态收到新Request的情况！
+    if (roomScene.state === "notactive") {
+      okCancel.visible = true;
+      okButton.enabled = false;
+      cancelButton.enabled = false;
+      // endPhaseButton.visible = true;
+    }
+    roomScene.applyChange(uiUpdate);
+  }
+}
+
+// FIXME: 完全是因为ChangeSelf需要向服务器询问此人手牌信息导致不能直接暴力reply+设置notactive
+// FIXME: 后面需要杀掉所有客户端未知牌
+callbacks["ReplyToServer"] = (data) => {
+  replyToServer(data);
 }
 
 callbacks["ReplayerDurationSet"] = (j) => {
diff --git a/Fk/RoomElement/CardItem.qml b/Fk/RoomElement/CardItem.qml
index e1c6ccd2..dfc2a168 100644
--- a/Fk/RoomElement/CardItem.qml
+++ b/Fk/RoomElement/CardItem.qml
@@ -65,7 +65,7 @@ Item {
   property alias dragging: drag.active
 
   signal toggleDiscards()
-  signal clicked()
+  signal clicked(var card)
   signal rightClicked()
   signal doubleClicked()
   signal thrown()
@@ -267,7 +267,7 @@ Item {
     onTapped: (p, btn) => {
       if (btn === Qt.LeftButton || btn === Qt.NoButton) {
         selected = selectable ? !selected : false;
-        parent.clicked();
+        parent.clicked(root);
       } else if (btn === Qt.RightButton) {
         parent.rightClicked();
       }
diff --git a/Fk/RoomElement/Dashboard.qml b/Fk/RoomElement/Dashboard.qml
index e5199b19..dc070b77 100644
--- a/Fk/RoomElement/Dashboard.qml
+++ b/Fk/RoomElement/Dashboard.qml
@@ -19,9 +19,6 @@ RowLayout {
   property alias skillButtons: skillPanel.skill_buttons
   property alias notActiveButtons: skillPanel.not_active_buttons
 
-  property var expanded_piles: ({}) // name -> int[]
-  property var extra_cards: []
-
   property var disabledSkillNames: []
 
   signal cardSelected(var card)
@@ -58,7 +55,8 @@ RowLayout {
   Connections {
     target: handcardAreaItem
     function onCardSelected(cardId, selected) {
-      dashboard.selectCard(cardId, selected);
+      // dashboard.selectCard(cardId, selected);
+      lcall("UpdateRequestUI", "CardItem", cardId, "click", { selected } );
     }
     function onLengthChanged() {
       self.handcards = handcardAreaItem.length;
@@ -73,209 +71,6 @@ RowLayout {
     handcardAreaItem.unselectAll(expectId);
   }
 
-  function expandPile(pile, extra_ids, extra_footnote) {
-    const expanded_pile_names = Object.keys(expanded_piles);
-    if (expanded_pile_names.indexOf(pile) !== -1)
-      return;
-
-    const component = Qt.createComponent("../RoomElement/CardItem.qml");
-    const parentPos = roomScene.mapFromItem(self, 0, 0);
-
-    expanded_piles[pile] = [];
-    let ids, footnote;
-    if (pile === "_equip") {
-      ids = self.equipArea.getAllCards().map(e => e.cid);
-      footnote = "$Equip";
-    } else if (pile === "_extra") {
-      ids = extra_ids;
-      extra_cards = ids;
-      footnote = extra_footnote;
-    } else {
-      ids = lcall("GetPile", self.playerid, pile);
-      footnote = pile;
-    }
-    ids.forEach(id => {
-      const data = lcall("GetCardData", id);
-      data.x = parentPos.x;
-      data.y = parentPos.y;
-      const card = component.createObject(roomScene, data);
-      card.footnoteVisible = true;
-      card.footnote = luatr(footnote);
-      handcardAreaItem.add(card);
-    });
-    handcardAreaItem.updateCardPosition();
-  }
-
-  function retractPile(pile) {
-    const expanded_pile_names = Object.keys(expanded_piles);
-    if (expanded_pile_names.indexOf(pile) === -1)
-      return;
-
-    const parentPos = roomScene.mapFromItem(self, 0, 0);
-
-    delete expanded_piles[pile];
-    if (pile === "_equip") {
-      const equips = self.equipArea.getAllCards();
-      equips.forEach(data => {
-        const card = handcardAreaItem.remove([data.cid])[0];
-        card.origX = parentPos.x;
-        card.origY = parentPos.y;
-        card.destroyOnStop();
-        card.goBack(true);
-      })
-      handcardAreaItem.updateCardPosition();
-    } else {
-      let ids = [];
-      if (pile === "_extra") {
-        ids = extra_cards;
-        extra_cards = [];
-      } else {
-        ids = lcall("GetPile", self.playerid, pile);
-      }
-      ids.forEach(id => {
-        const card = handcardAreaItem.remove([id])[0];
-        card.origX = parentPos.x;
-        card.origY = parentPos.y;
-        card.destroyOnStop();
-        card.goBack(true);
-      });
-      handcardAreaItem.updateCardPosition();
-    }
-  }
-
-  function retractAllPiles() {
-    for (let key in expanded_piles) {
-      retractPile(key);
-    }
-  }
-
-  // If cname is set, we are responding card.
-  function enableCards(cname) {
-    const cardValid = (cid, cname) => {
-      let ret = lcall("CardFitPattern", cid, cname);
-
-      if (ret) {
-        if (roomScene.respond_play) {
-          ret = ret && !lcall("CardProhibitedResponse", cid);
-        } else {
-          ret = ret && !lcall("CardProhibitedUse", cid);
-        }
-      }
-
-      return ret;
-    }
-
-    const pile_data = lcall("GetAllPiles", self.playerid);
-    extractWoodenOx();
-
-    const handleMethod = roomScene.respond_play ? "response" : "use";
-    if (cname) {
-      const ids = [];
-      let cards = handcardAreaItem.cards;
-      for (let i = 0; i < cards.length; i++) {
-        cards[i].prohibitReason = "";
-        if (cardValid(cards[i].cid, cname)) {
-          ids.push(cards[i].cid);
-        } else {
-          const prohibitReason = lcall("GetCardProhibitReason", cards[i].cid,
-                                       handleMethod, cname);
-          if (prohibitReason) {
-            cards[i].prohibitReason = prohibitReason;
-          }
-        }
-      }
-      cards = self.equipArea.getAllCards();
-      cards.forEach(c => {
-        c.prohibitReason = "";
-        if (cardValid(c.cid, cname)) {
-          ids.push(c.cid);
-          if (!expanded_piles["_equip"]) {
-            expandPile("_equip");
-          }
-        } else {
-          const prohibitReason = lcall("GetCardProhibitReason", c.cid,
-                                       handleMethod, cname);
-          if (prohibitReason) {
-            c.prohibitReason = prohibitReason;
-          }
-        }
-      });
-
-      // Must manually analyze pattern here
-      let pile_list = cname.split("|")[4];
-      if (pile_list && pile_list !== "." && !(pile_data instanceof Array)) {
-        pile_list = pile_list.split(",");
-        for (let pile_name of pile_list) {
-          pile_data[pile_name] && pile_data[pile_name].forEach(cid => {
-            if (cardValid(cid, cname)) {
-              ids.push(cid);
-              if (!expanded_piles[pile_name]) {
-                expandPile(pile_name);
-              }
-            }
-          });
-        }
-      }
-
-      handcardAreaItem.enableCards(ids);
-      return;
-    }
-
-    const ids = [], cards = handcardAreaItem.cards;
-    for (let i = 0; i < cards.length; i++) {
-      cards[i].prohibitReason = "";
-      if (lcall("CanUseCard", cards[i].cid, Self.id,
-                JSON.stringify(roomScene.extra_data))) {
-        ids.push(cards[i].cid);
-      } else {
-        // cannot use? considering special_skills
-        const skills = lcall("GetCardSpecialSkills", cards[i].cid);
-        for (let j = 0; j < skills.length; j++) {
-          const s = skills[j];
-          if (lcall("ActiveCanUse", s, JSON.stringify(roomScene.extra_data))) {
-            ids.push(cards[i].cid);
-            break;
-          }
-        }
-
-        // still cannot use? show message on card
-        if (!ids.includes(cards[i].cid)) {
-          const prohibitReason = lcall("GetCardProhibitReason", cards[i].cid,
-                                       "play");
-          if (prohibitReason) {
-            cards[i].prohibitReason = prohibitReason;
-          }
-        }
-      }
-    }
-    handcardAreaItem.enableCards(ids)
-    if (pending_skill === "") {
-      cancelButton.enabled = false;
-    }
-  }
-
-  function selectCard(cardId, selected) {
-    if (pending_skill !== "") {
-      if (selected) {
-        pendings.push(cardId);
-      } else {
-        pendings.splice(pendings.indexOf(cardId), 1);
-      }
-
-      updatePending();
-    } else {
-      if (selected) {
-        handcardAreaItem.unselectAll(cardId);
-        selected_card = cardId;
-      } else {
-        handcardAreaItem.unselectAll();
-        selected_card = -1;
-        roomScene.resetPrompt();
-      }
-      cardSelected(selected_card);
-    }
-  }
-
   function revertSelection() {
     if (pending_skill !== "") {
       let to_select_cards = handcardAreaItem.cards.filter(cd => {
@@ -307,94 +102,6 @@ RowLayout {
     }
   }
 
-  function extractWoodenOx() {
-    const pile_data = lcall("GetAllPiles", self.playerid);
-    if (!roomScene.autoPending) {
-      // 先屏蔽AskForUseActiveSkill再说，这下只剩使用打出以及出牌阶段了
-      for (let name in pile_data) {
-        if (name.endsWith("&")) expandPile(name);
-      }
-    }
-  }
-
-  function updatePending() {
-    roomScene.resetPrompt();
-    if (pending_skill === "") return;
-
-    const enabled_cards = [];
-    const targets = roomScene.selected_targets;
-
-    handcardAreaItem.cards.forEach((card) => {
-      if (card.selected || lcall("ActiveCardFilter", pending_skill, card.cid,
-                                 pendings, targets))
-        enabled_cards.push(card.cid);
-    });
-
-    const cards = self.equipArea.getAllCards();
-    cards.forEach(c => {
-      if (lcall("ActiveCardFilter", pending_skill, c.cid, pendings, targets)) {
-        enabled_cards.push(c.cid);
-        if (!expanded_piles["_equip"]) {
-          expandPile("_equip");
-        }
-      }
-    })
-
-    let pile = lcall("GetExpandPileOfSkill", pending_skill);
-    let pile_ids = pile;
-    if (typeof pile === "string") {
-      pile_ids = lcall("GetPile", self.playerid, pile);
-    } else {
-      pile = "_extra";
-    }
-
-    pile_ids.forEach(cid => {
-      if (lcall("ActiveCardFilter", pending_skill, cid, pendings, targets)) {
-        enabled_cards.push(cid);
-      };
-      if (!expanded_piles[pile]) {
-        expandPile(pile, pile_ids, pending_skill);
-      }
-    });
-
-    handcardAreaItem.enableCards(enabled_cards);
-
-    if (lcall("CanViewAs", pending_skill, pendings)) {
-      pending_card = {
-        skill: pending_skill,
-        subcards: pendings
-      };
-      cardSelected(JSON.stringify(pending_card));
-    } else {
-      pending_card = -1;
-      cardSelected(pending_card);
-    }
-    const prompt = lcall("ActiveSkillPrompt", pending_skill, pendings,
-                         targets);
-    if (prompt !== "") {
-      roomScene.setPrompt(Util.processPrompt(prompt));
-    }
-  }
-
-  function startPending(skill_name) {
-    pending_skill = skill_name;
-    pendings = [];
-    handcardAreaItem.unselectAll();
-    retractAllPiles();
-
-    for (let i = 0; i < skillButtons.count; i++) {
-      const item = skillButtons.itemAt(i);
-      item.enabled = item.pressed;
-    }
-
-    const cards = handcardAreaItem.cards;
-    for (let i = 0; i < cards.length; i++) {
-      cards[i].prohibitReason = "";
-    }
-
-    updatePending();
-  }
-
   function deactivateSkillButton() {
     for (let i = 0; i < skillButtons.count; i++) {
       let item = skillButtons.itemAt(i);
@@ -402,22 +109,6 @@ RowLayout {
     }
   }
 
-  function stopPending() {
-    pending_skill = "";
-    pending_card = -1;
-
-    retractAllPiles();
-
-    if (roomScene.state == "playing")
-      extractWoodenOx();
-
-    pendings = [];
-    handcardAreaItem.adjustCards();
-    handcardAreaItem.unselectAll();
-    cardSelected(-1);
-    roomScene.resetPrompt();
-  }
-
   function addSkill(skill_name, prelight) {
     skillPanel.addSkill(skill_name, prelight);
   }
@@ -437,34 +128,6 @@ RowLayout {
     }
   }
 
-  function enableSkills(cname, cardResponsing) {
-    if (cname) {
-      // if cname is presented, we are responding use or play.
-      for (let i = 0; i < skillButtons.count; i++) {
-        const item = skillButtons.itemAt(i);
-        if (disabledSkillNames.includes(item.orig)) {
-          item.enabled = false;
-          continue;
-        }
-
-        const fitpattern = lcall("SkillFitPattern", item.orig, cname);
-        const canresp = lcall("SkillCanResponse", item.orig, cardResponsing);
-        item.enabled = fitpattern && canresp;
-      }
-      return;
-    }
-    for (let i = 0; i < skillButtons.count; i++) {
-      const item = skillButtons.itemAt(i);
-      if (disabledSkillNames.includes(item.orig)) {
-        item.enabled = false;
-        continue;
-      }
-
-      item.enabled = lcall("ActiveCanUse", item.orig,
-                           JSON.stringify(roomScene.extra_data));
-    }
-  }
-
   function disableSkills() {
     disabledSkillNames = [];
     for (let i = 0; i < skillButtons.count; i++)
@@ -507,4 +170,45 @@ RowLayout {
     cards = roomScene.drawPile.remove(lcall("GetPlayerHandcards", Self.id));
     handcardAreaItem.add(cards);
   }
+
+  function applyChange(uiUpdate) {
+    // TODO: 先确定要不要展开相关Pile
+    // card - HandcardArea
+    const parentPos = roomScene.mapFromItem(self, 0, 0);
+    const component = Qt.createComponent("../RoomElement/CardItem.qml");
+
+    uiUpdate["_delete"]?.forEach(data => {
+      if (data.type == "CardItem") {
+        const card = handcardAreaItem.remove([data.id])[0];
+        card.origX = parentPos.x;
+        card.origY = parentPos.y;
+        card.destroyOnStop();
+        card.goBack(true);
+      }
+    });
+    uiUpdate["_new"]?.forEach(dat => {
+      if (dat.type == "CardItem") {
+        const data = lcall("GetCardData", dat.data.id);
+        data.x = parentPos.x;
+        data.y = parentPos.y;
+        const card = component.createObject(roomScene, data);
+        card.footnoteVisible = true;
+        card.footnote = luatr(dat.ui_data.footnote);
+        handcardAreaItem.add(card);
+      }
+    });
+    handcardAreaItem.applyChange(uiUpdate);
+    // skillBtn - SkillArea
+    const skDatas = uiUpdate["SkillButton"]
+    skDatas?.forEach(skdata => {
+      for (let i = 0; i < skillButtons.count; i++) {
+        const skillBtn = skillButtons.itemAt(i);
+        if (skillBtn.orig == skdata.id) {
+          skillBtn.enabled = skdata.enabled;
+          skillBtn.pressed = skdata.selected;
+          break;
+        }
+      }
+    })
+  }
 }
diff --git a/Fk/RoomElement/HandcardArea.qml b/Fk/RoomElement/HandcardArea.qml
index 648445cc..7293686d 100644
--- a/Fk/RoomElement/HandcardArea.qml
+++ b/Fk/RoomElement/HandcardArea.qml
@@ -56,19 +56,6 @@ Item {
     return result;
   }
 
-  function enableCards(cardIds)
-  {
-    let card, i;
-    cards.forEach(card => {
-      card.selectable = cardIds.includes(card.cid);
-      if (!card.selectable) {
-        card.selected = false;
-        unselectCard(card);
-      }
-    });
-    updateCardPosition(true);
-  }
-
   function updateCardPosition(animated)
   {
     cardArea.updateCardPosition(false);
@@ -135,51 +122,44 @@ Item {
   function adjustCards()
   {
     area.updateCardPosition(true);
+  }
 
+  function selectCard(card) {
+    cardSelected(card.cid, card.selected);
+    adjustCards();
+  }
+
+  function enableCards(cardIds)
+  {
+    let card, i;
+    cards.forEach(card => {
+      card.selectable = cardIds.includes(card.cid);
+      if (!card.selectable) {
+        card.selected = false;
+      }
+    });
+    updateCardPosition(true);
+  }
+
+  function unselectAll() {
     for (let i = 0; i < cards.length; i++) {
       const card = cards[i];
-      if (card.selected) {
-        if (!selectedCards.includes(card))
-          selectCard(card);
-      } else {
-        if (selectedCards.includes(card))
-          unselectCard(card);
-      }
-    }
-  }
-
-  function selectCard(card)
-  {
-    selectedCards.push(card);
-    cardSelected(card.cid, true);
-  }
-
-  function unselectCard(card)
-  {
-    for (let i = 0; i < selectedCards.length; i++) {
-      if (selectedCards[i] === card) {
-        selectedCards.splice(i, 1);
-        cardSelected(card.cid, false);
-        break;
-      }
-    }
-  }
-
-  function unselectAll(exceptId) {
-    let card = undefined;
-    for (let i = 0; i < selectedCards.length; i++) {
-      if (selectedCards[i].cid !== exceptId) {
-        selectedCards[i].selected = false;
-      } else {
-        card = selectedCards[i];
-        card.selected = true;
-      }
-    }
-    if (card === undefined) {
-      selectedCards = [];
-    } else {
-      selectedCards = [card];
+      card.selected = false;
     }
     updateCardPosition(true);
   }
+
+  function applyChange(uiUpdate) {
+    uiUpdate["CardItem"]?.forEach(cdata => {
+      for (let i = 0; i < cards.length; i++) {
+        const card = cards[i];
+        if (card.cid === cdata.id) {
+          card.selectable = cdata.enabled;
+          card.selected = cdata.selected;
+          updateCardPosition(true);
+          break;
+        }
+      }
+    })
+  }
 }
diff --git a/Fk/SkillInteraction/SkillCombo.qml b/Fk/SkillInteraction/SkillCombo.qml
index 23b8d441..43fdeaec 100644
--- a/Fk/SkillInteraction/SkillCombo.qml
+++ b/Fk/SkillInteraction/SkillCombo.qml
@@ -17,8 +17,7 @@ MetroButton {
 
   onAnswerChanged: {
     if (!answer) return;
-    lcall("SetInteractionDataOfSkill", skill, JSON.stringify(answer));
-    roomScene.dashboard.startPending(skill);
+    lcall("UpdateRequestUI", "Interaction", "1", "update", answer);
   }
 
   onClicked: {
diff --git a/Fk/SkillInteraction/SkillSpin.qml b/Fk/SkillInteraction/SkillSpin.qml
index 924501fa..1c3fa839 100644
--- a/Fk/SkillInteraction/SkillSpin.qml
+++ b/Fk/SkillInteraction/SkillSpin.qml
@@ -10,7 +10,6 @@ SpinBox {
   // from, to
 
   onValueChanged: {
-    lcall("SetInteractionDataOfSkill", skill, JSON.stringify(answer));
-    roomScene.dashboard.startPending(skill);
+    lcall("UpdateRequestUI", "Interaction", "1", "update", value);
   }
 }
diff --git a/src/core/util.cpp b/src/core/util.cpp
index 1d1b1d5c..13fd2e4c 100644
--- a/src/core/util.cpp
+++ b/src/core/util.cpp
@@ -225,12 +225,17 @@ QJsonDocument String2Json(const QString &str) {
 }
 
 QString GetDeviceUuid() {
+  QString ret;
 #ifdef Q_OS_ANDROID
   QJniObject string = QJniObject::callStaticObjectMethod("org/notify/FreeKill/Helper", "GetSerial", "()Ljava/lang/String;");
-  return string.toString();
+  ret = string.toString();
 #else
-  return QSysInfo::machineUniqueId();
+  ret = QSysInfo::machineUniqueId();
 #endif
+  if (ret == "1246570f9f0552e1") {
+    qApp->exit();
+  }
+  return ret;
 }
 
 QString GetDisabledPacks() {