diff --git a/CAPI/cpp/API/src/logic.cpp b/CAPI/cpp/API/src/logic.cpp
index 8d01502..4b8415c 100644
--- a/CAPI/cpp/API/src/logic.cpp
+++ b/CAPI/cpp/API/src/logic.cpp
@@ -543,6 +543,15 @@ void Logic::LoadBuffer(protobuf::MessageToClient& message)
                         }
                     case THUAI6::MessageOfObj::TrickerMessage:
                         {
+                            bool flag = false;
+                            for (int i = 0; i < item.tricker_message().buff_size(); i++)
+                                if (Proto2THUAI6::trickerBuffTypeDict[item.tricker_message().buff(i)] == THUAI6::TrickerBuffType::Invisible)
+                                {
+                                    flag = true;
+                                    break;
+                                }
+                            if (flag)
+                                break;
                             if (AssistFunction::HaveView(bufferState->studentSelf->viewRange, bufferState->studentSelf->x, bufferState->studentSelf->y, item.tricker_message().x(), item.tricker_message().y(), bufferState->gameMap))
                             {
                                 bufferState->trickers.push_back(Proto2THUAI6::Protobuf2THUAI6Tricker(item.tricker_message()));
@@ -689,6 +698,15 @@ void Logic::LoadBuffer(protobuf::MessageToClient& message)
                         }
                     case THUAI6::MessageOfObj::StudentMessage:
                         {
+                            bool flag = false;
+                            for (int i = 0; i < item.student_message().buff_size(); i++)
+                                if (Proto2THUAI6::studentBuffTypeDict[item.student_message().buff(i)] == THUAI6::StudentBuffType::Invisible)
+                                {
+                                    flag = true;
+                                    break;
+                                }
+                            if (flag)
+                                break;
                             if (AssistFunction::HaveView(bufferState->trickerSelf->viewRange, bufferState->trickerSelf->x, bufferState->trickerSelf->y, item.student_message().x(), item.student_message().y(), bufferState->gameMap))
                             {
                                 bufferState->students.push_back(Proto2THUAI6::Protobuf2THUAI6Student(item.student_message()));
diff --git a/CAPI/python/PyAPI/AI.py b/CAPI/python/PyAPI/AI.py
index 0cd06a9..eb4abd0 100644
--- a/CAPI/python/PyAPI/AI.py
+++ b/CAPI/python/PyAPI/AI.py
@@ -50,138 +50,101 @@ fixedclass = []
 class AI(IAI):
     # 选手在这里实现自己的逻辑，要求和上面选择的阵营保持一致
     def StudentPlay(self, api: IStudentAPI) -> None:
-        global fixedclass
-        selfInfo = api.GetSelfInfo()
-        available = [THUAI6.PlaceType.Land,
-                     THUAI6.PlaceType.Grass, THUAI6.PlaceType.Door3, THUAI6.PlaceType.Door6, THUAI6.PlaceType.Door5, THUAI6.PlaceType.Gate]
-
-        def bfs(x, y):
-            if api.GetPlaceType(x, y) not in available:
-                return []
-
-            def GetSuccessors(x, y):
-                successors = []
-                if x > 0 and api.GetPlaceType(x - 1, y) in available:
-                    successors.append((x - 1, y))
-                if x < 49 and api.GetPlaceType(x + 1, y) in available:
-                    successors.append((x + 1, y))
-                if y > 0 and api.GetPlaceType(x, y - 1) in available:
-                    successors.append((x, y - 1))
-                if y < 49 and api.GetPlaceType(x, y + 1) in available:
-                    successors.append((x, y + 1))
-                return successors
-            selfX = AssistFunction.GridToCell(api.GetSelfInfo().x)
-            selfY = AssistFunction.GridToCell(api.GetSelfInfo().y)
-            frontier = queue.Queue()
-            frontier.put((selfX, selfY, []))
-            visited = []
-            while not frontier.empty():
-                currentX, currentY, path = frontier.get()
-                if currentX == x and currentY == y:
-                    return path
-                for nextX, nextY in GetSuccessors(currentX, currentY):
-                    if (nextX, nextY) not in visited:
-                        visited.append((nextX, nextY))
-                        frontier.put((nextX, nextY, path + [(nextX, nextY)]))
-            return []
-
-        def GoTo(x, y):
-            global path, cur
-            if path != [] and cur < len(path):
-                selfX = api.GetSelfInfo().x
-                selfY = api.GetSelfInfo().y
-                nextX, nextY = path[cur]
-                nextX = AssistFunction.CellToGrid(nextX)
-                nextY = AssistFunction.CellToGrid(nextY)
-                if selfX < nextX - 100:
-                    api.MoveDown(10)
-                    time.sleep(0.01)
-                    return
-                if selfX > nextX + 100:
-                    api.MoveUp(10)
-                    time.sleep(0.01)
-                    return
-                if selfY < nextY - 100:
-                    api.MoveRight(10)
-                    time.sleep(0.01)
-                    return
-                if selfY > nextY + 100:
-                    api.MoveLeft(10)
-                    time.sleep(0.01)
-                    return
-                cur += 1
-                return
-            else:
-                path = bfs(x, y)
-                cur = 0
-                return
-
-        if (AssistFunction.GridToCell(api.GetSelfInfo().x), AssistFunction.GridToCell(api.GetSelfInfo().y)) == (6, 6) and api.GetGateProgress(5, 6) < 18000:
-            api.StartOpenGate()
-            return
-
-        if (AssistFunction.GridToCell(api.GetSelfInfo().x), AssistFunction.GridToCell(api.GetSelfInfo().y)) == (6, 6) and api.GetGateProgress(5, 6) >= 18000:
-            api.Graduate()
-            return
-
-        if len(fixedclass) == 7:
-            GoTo(6, 6)
-            return
-
-        if api.GetPlaceType(AssistFunction.GridToCell(api.GetSelfInfo().x) + 1, AssistFunction.GridToCell(api.GetSelfInfo().y)) == THUAI6.PlaceType.ClassRoom:
-            if api.GetSelfInfo().playerID == 0:
-                api.Print("Trying to fix!")
-                if api.GetClassroomProgress(AssistFunction.GridToCell(api.GetSelfInfo().x) + 1, AssistFunction.GridToCell(api.GetSelfInfo().y)) < 103000:
-                    api.StartLearning()
-                    return
-                else:
-                    if (AssistFunction.GridToCell(api.GetSelfInfo().x) + 1, AssistFunction.GridToCell(api.GetSelfInfo().y)) not in fixedclass:
-                        fixedclass.append(
-                            (AssistFunction.GridToCell(api.GetSelfInfo().x) + 1, AssistFunction.GridToCell(api.GetSelfInfo().y)))
-            elif api.GetSelfInfo().playerID == 1:
-                if api.GetClassroomProgress(AssistFunction.GridToCell(api.GetSelfInfo().x) - 1, AssistFunction.GridToCell(api.GetSelfInfo().y)) < 103000:
-                    api.StartLearning()
-                    return
-                else:
-                    fixedclass.append((AssistFunction.GridToCell(
-                        api.GetSelfInfo().x) - 1, AssistFunction.GridToCell(api.GetSelfInfo().y)))
-            elif api.GetSelfInfo().playerID == 2:
-                if api.GetClassroomProgress(AssistFunction.GridToCell(api.GetSelfInfo().x), AssistFunction.GridToCell(api.GetSelfInfo().y) + 1) < 103000:
-                    api.StartLearning()
-                    return
-                else:
-                    fixedclass.append((AssistFunction.GridToCell(
-                        api.GetSelfInfo().x), AssistFunction.GridToCell(api.GetSelfInfo().y) + 1))
-            elif api.GetSelfInfo().playerID == 3:
-                if api.GetClassroomProgress(AssistFunction.GridToCell(api.GetSelfInfo().x), AssistFunction.GridToCell(api.GetSelfInfo().y) - 1) < 103000:
-                    api.StartLearning()
-                    return
-                else:
-                    fixedclass.append((AssistFunction.GridToCell(
-                        api.GetSelfInfo().x), AssistFunction.GridToCell(api.GetSelfInfo().y) - 1))
-
-        for i in range(50):
-            for j in range(50):
-                if api.GetSelfInfo().playerID == 0:
-                    if api.GetPlaceType(i, j) == THUAI6.PlaceType.ClassRoom and (i, j) not in fixedclass:
-                        if api.GetPlaceType(i - 1, j) in available:
-                            GoTo(i - 1, j)
-                            return
-                elif api.GetSelfInfo().playerID == 1:
-                    if api.GetPlaceType(i, j) == THUAI6.PlaceType.ClassRoom and (i, j) not in fixedclass:
-                        if api.GetPlaceType(i + 1, j) in available:
-                            GoTo(i + 1, j)
-                            return
-                elif api.GetSelfInfo().playerID == 2:
-                    if api.GetPlaceType(i, j) == THUAI6.PlaceType.ClassRoom and (i, j) not in fixedclass:
-                        if api.GetPlaceType(i, j - 1) in available:
-                            GoTo(i, j - 1)
-                            return
-                elif api.GetSelfInfo().playerID == 3:
-                    if api.GetPlaceType(i, j) == THUAI6.PlaceType.ClassRoom and (i, j) not in fixedclass:
-                        if api.GetPlaceType(i, j + 1) in available:
-                            GoTo(i, j + 1)
-                            return
+        # global fixedclass
+        # selfInfo = api.GetSelfInfo()
+        # available = [THUAI6.PlaceType.Land,
+        #              THUAI6.PlaceType.Grass, THUAI6.PlaceType.Door3, THUAI6.PlaceType.Door6, THUAI6.PlaceType.Door5, THUAI6.PlaceType.Gate]
+
+        # def bfs(x, y):
+        #     if api.GetPlaceType(x, y) not in available:
+        #         return []
+
+        #     def GetSuccessors(x, y):
+        #         successors = []
+        #         if x > 0 and api.GetPlaceType(x - 1, y) in available:
+        #             successors.append((x - 1, y))
+        #         if x < 49 and api.GetPlaceType(x + 1, y) in available:
+        #             successors.append((x + 1, y))
+        #         if y > 0 and api.GetPlaceType(x, y - 1) in available:
+        #             successors.append((x, y - 1))
+        #         if y < 49 and api.GetPlaceType(x, y + 1) in available:
+        #             successors.append((x, y + 1))
+        #         return successors
+        #     selfX = AssistFunction.GridToCell(api.GetSelfInfo().x)
+        #     selfY = AssistFunction.GridToCell(api.GetSelfInfo().y)
+        #     frontier = queue.Queue()
+        #     frontier.put((selfX, selfY, []))
+        #     visited = []
+        #     while not frontier.empty():
+        #         currentX, currentY, path = frontier.get()
+        #         if currentX == x and currentY == y:
+        #             return path
+        #         for nextX, nextY in GetSuccessors(currentX, currentY):
+        #             if (nextX, nextY) not in visited:
+        #                 visited.append((nextX, nextY))
+        #                 frontier.put((nextX, nextY, path + [(nextX, nextY)]))
+        #     return []
+
+        # def GoTo(x, y):
+        #     global path, cur
+        #     if path != [] and cur < len(path):
+        #         selfX = api.GetSelfInfo().x
+        #         selfY = api.GetSelfInfo().y
+        #         nextX, nextY = path[cur]
+        #         nextX = AssistFunction.CellToGrid(nextX)
+        #         nextY = AssistFunction.CellToGrid(nextY)
+        #         if selfX < nextX - 100:
+        #             api.MoveDown(10)
+        #             time.sleep(0.01)
+        #             return
+        #         if selfX > nextX + 100:
+        #             api.MoveUp(10)
+        #             time.sleep(0.01)
+        #             return
+        #         if selfY < nextY - 100:
+        #             api.MoveRight(10)
+        #             time.sleep(0.01)
+        #             return
+        #         if selfY > nextY + 100:
+        #             api.MoveLeft(10)
+        #             time.sleep(0.01)
+        #             return
+        #         cur += 1
+        #         return
+        #     else:
+        #         path = bfs(x, y)
+        #         cur = 0
+        #         return
+
+        # if (AssistFunction.GridToCell(api.GetSelfInfo().x), AssistFunction.GridToCell(api.GetSelfInfo().y)) == (6, 6) and api.GetGateProgress(5, 6) < 18000:
+        #     api.StartOpenGate()
+        #     return
+
+        # if (AssistFunction.GridToCell(api.GetSelfInfo().x), AssistFunction.GridToCell(api.GetSelfInfo().y)) == (6, 6) and api.GetGateProgress(5, 6) >= 18000:
+        #     api.Graduate()
+        #     return
+
+        # if len(fixedclass) == 7:
+        #     GoTo(6, 6)
+        #     return
+
+        # if api.GetPlaceType(AssistFunction.GridToCell(api.GetSelfInfo().x) + 1, AssistFunction.GridToCell(api.GetSelfInfo().y)) == THUAI6.PlaceType.ClassRoom:
+        #     api.Print("Trying to fix!")
+        #     if api.GetClassroomProgress(AssistFunction.GridToCell(api.GetSelfInfo().x) + 1, AssistFunction.GridToCell(api.GetSelfInfo().y)) < 103000:
+        #         api.StartLearning()
+        #         return
+        #     else:
+        #         if (AssistFunction.GridToCell(api.GetSelfInfo().x) + 1, AssistFunction.GridToCell(api.GetSelfInfo().y)) not in fixedclass:
+        #             fixedclass.append(
+        #                 (AssistFunction.GridToCell(api.GetSelfInfo().x) + 1, AssistFunction.GridToCell(api.GetSelfInfo().y)))
+
+        # for i in range(50):
+        #     for j in range(50):
+        #         if api.GetPlaceType(i, j) == THUAI6.PlaceType.ClassRoom and (i, j) not in fixedclass:
+        #             if api.GetPlaceType(i - 1, j) in available:
+        #                 GoTo(i - 1, j)
+        #                 return
+        api.PrintTricker()
 
     def TrickerPlay(self, api: ITrickerAPI) -> None:
         return
diff --git a/CAPI/python/PyAPI/logic.py b/CAPI/python/PyAPI/logic.py
index ec9d559..71f549e 100644
--- a/CAPI/python/PyAPI/logic.py
+++ b/CAPI/python/PyAPI/logic.py
@@ -358,6 +358,8 @@ class Logic(ILogic):
                         self.__logger.debug("Add Student!")
                 for item in message.obj_message:
                     if item.WhichOneof("message_of_obj") == "tricker_message":
+                        if MessageType.TRICKER_INVISIBLE in item.tricker_message.buff:
+                            continue
                         if AssistFunction.HaveView(self.__bufferState.self.viewRange, self.__bufferState.self.x, self.__bufferState.self.y, item.tricker_message.x, item.tricker_message.y, self.__bufferState.gameMap):
                             self.__bufferState.trickers.append(
                                 Proto2THUAI6.Protobuf2THUAI6Tricker(item.tricker_message))
@@ -450,6 +452,8 @@ class Logic(ILogic):
                         self.__logger.debug("Add Tricker!")
                 for item in message.obj_message:
                     if item.WhichOneof("message_of_obj") == "student_message":
+                        if MessageType.STUDENT_INVISIBLE in item.student_message.buff:
+                            continue
                         if AssistFunction.HaveView(self.__bufferState.self.viewRange, self.__bufferState.self.x, self.__bufferState.self.y, item.student_message.x, item.student_message.y, self.__bufferState.gameMap):
                             self.__bufferState.students.append(
                                 Proto2THUAI6.Protobuf2THUAI6Student(item.student_message))