diff --git a/data/repo/test/schedule.toml b/data/repo/test/schedule.toml
index d62ef1f..393b8d3 100644
--- a/data/repo/test/schedule.toml
+++ b/data/repo/test/schedule.toml
@@ -2,4 +2,8 @@ schedule = ["quick_review", "recognition", "final_review"]
 [phases]
 quick_review = [["FillBlank", "1.0"], ["SelectMeaning", "0.5"], ["Recognition", "1.0"]]
 recognition = [["Recognition", "1.0"]]
-final_review = [["FillBlank", "0.7"], ["SelectMeaning", "0.7"], ["Recognition", "1.0"]]
\ No newline at end of file
+final_review = [["FillBlank", "0.7"], ["SelectMeaning", "0.7"], ["Recognition", "1.0"]]
+[annotation]
+"quick_review" = "复习旧知"
+"recognition" = "新知识"
+"final_review" = "总复习"
\ No newline at end of file
diff --git a/src/heurams/interface/screens/memoqueue.py b/src/heurams/interface/screens/memoqueue.py
index 01f7f56..df5afe9 100644
--- a/src/heurams/interface/screens/memoqueue.py
+++ b/src/heurams/interface/screens/memoqueue.py
@@ -79,7 +79,9 @@ class MemScreen(Screen):
         # logger.debug(shim.puzzle2widget[puzzle_debug["puzzle"]])
 
     def _get_progress_text(self):
-        return f"当前进度: {self.procession.process() + 1}/{self.procession.total_length()}"
+        s = f"阶段: {self.procession.phase.name}\n"
+        s += f"当前进度: {self.procession.process() + 1}/{self.procession.total_length()}"
+        return s
 
     def update_display(self):
         """更新进度显示"""
@@ -142,7 +144,7 @@ class MemScreen(Screen):
             ret = self.procession.forward(1)
             if ret == 0: # 若结束了此次队列
                 self.update_state()
-                if self.procession == 0:  # 若所有队列都结束了
+                if self.procession.phase == PhaserState.FINISHED:  # 若所有队列都结束了
                     logger.debug(f"记忆进程结束")
                     self.mount_finished_widget()
                     return
diff --git a/src/heurams/interface/widgets/cloze_puzzle.py b/src/heurams/interface/widgets/cloze_puzzle.py
index e342116..5d71dc9 100644
--- a/src/heurams/interface/widgets/cloze_puzzle.py
+++ b/src/heurams/interface/widgets/cloze_puzzle.py
@@ -53,7 +53,7 @@ class ClozePuzzle(BasePuzzleWidget):
         self.hashmap = dict()
 
     def _load(self):
-        setting = self.atom.registry["orbital"]["puzzles"][self.alia]
+        setting = self.atom.registry["nucleon"]["puzzles"][self.alia]
         self.puzzle = pz.ClozePuzzle(
             text=setting["text"],
             delimiter=setting["delimiter"],
diff --git a/src/heurams/interface/widgets/mcq_puzzle.py b/src/heurams/interface/widgets/mcq_puzzle.py
index 878b4e9..d08ccd5 100644
--- a/src/heurams/interface/widgets/mcq_puzzle.py
+++ b/src/heurams/interface/widgets/mcq_puzzle.py
@@ -61,11 +61,7 @@ class MCQPuzzle(BasePuzzleWidget):
         self.puzzle.refresh()
 
     def compose(self):
-        setting: Setting = self.atom.registry["nucleon"].metadata["orbital"]["puzzles"][
-            self.alia
-        ]
-        logger.debug(f"Puzzle Setting: {setting}")
-        logger.debug(f"WIRED INDEX: {len(self.inputlist)}")
+        setting: Setting = self.atom.registry["nucleon"]["puzzles"][self.alia]
         if len(self.inputlist) > len(self.puzzle.options):
             logger.debug("ERR IDX")
             logger.debug(self.inputlist)
diff --git a/src/heurams/kernel/particles/placeholders.py b/src/heurams/kernel/particles/placeholders.py
new file mode 100644
index 0000000..6190d94
--- /dev/null
+++ b/src/heurams/kernel/particles/placeholders.py
@@ -0,0 +1,41 @@
+from heurams.kernel.particles import orbital
+from .electron import Electron
+from .nucleon import Nucleon
+from .atom import Atom
+
+orbital_placeholder = {
+    "schedule": ["quick_review", "recognition", "final_review"],
+    "phases": {
+        "quick_review": [
+            ["FillBlank", 1.0],
+            ["SelectMeaning", 0.5],
+            ["Recognition", 1.0],
+        ],
+        "recognition": [["Recognition", 1.0]],
+        "final_review": [
+            ["FillBlank", 0.7],
+            ["SelectMeaning", 0.7],
+            ["Recognition", 1.0],
+        ],
+    },
+}
+
+
+class NucleonPlaceholder(Nucleon):
+    def __init__(self):
+        super().__init__("__placeholder__", {}, {})
+
+    def __getitem__(self, key):
+        return f"__placeholder__ attempted {key}"
+
+
+class ElectronPlaceholder(Electron):
+    def __init__(self):
+        super().__init__("__placeholder__", {"": {"": ""}}, "")
+
+
+class AtomPlaceholder(Atom):
+    def __init__(self):
+        super().__init__(
+            NucleonPlaceholder(), ElectronPlaceholder(), orbital_placeholder
+        )
diff --git a/src/heurams/kernel/reactor/phaser.py b/src/heurams/kernel/reactor/phaser.py
index e30885f..9fcbd75 100644
--- a/src/heurams/kernel/reactor/phaser.py
+++ b/src/heurams/kernel/reactor/phaser.py
@@ -1,4 +1,5 @@
 import heurams.kernel.particles as pt
+from heurams.kernel.particles.placeholders import AtomPlaceholder
 from heurams.services.logger import get_logger
 from transitions import Machine
 
@@ -124,7 +125,7 @@ class Phaser(Machine):
         # 所有Procession都已完成
         self.to_finished()
         logger.debug("所有 Procession 已完成, 状态设置为 FINISHED")
-        return None
+        return Procession([AtomPlaceholder()], PhaserState.FINISHED)
 
     def __repr__(self):
         from heurams.services.textproc import truncate