diff --git a/.gitignore b/.gitignore
index c2d2a42..51a0c37 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,6 +10,7 @@ electron/test.toml
 *.egg-info/
 build/
 dist/
+old/
 
 # Project specific directories
 # config/
@@ -70,6 +71,7 @@ coverage.xml
 .hypothesis/
 .pytest_cache/
 cover/
+.claude/
 
 # Translations
 *.mo
diff --git a/src/heurams/kernel/algorithms/__init__.py b/src/heurams/kernel/algorithms/__init__.py
index 86c6f3e..9dcfccc 100644
--- a/src/heurams/kernel/algorithms/__init__.py
+++ b/src/heurams/kernel/algorithms/__init__.py
@@ -23,11 +23,11 @@ def list_algorithms() -> list[str]:
     return list(_algorithms.keys())
 
 # 导入注册
-from . import supermemo2
+from . import sm2
 register_algorithm(
-    algo_name=supermemo2.algo_name,
-    defaults=supermemo2.defaults,
-    revisor=supermemo2.revisor
+    algo_name=sm2.algo_name,
+    defaults=sm2.defaults,
+    revisor=sm2.revisor
 )
 
 __all__ = ['get_algorithm', 'list_algorithms', 'register_algorithm', 'AlgorithmConfig']
\ No newline at end of file
diff --git a/src/heurams/kernel/algorithms/fsrs.devel.py b/src/heurams/kernel/algorithms/fsrs.devel.py
deleted file mode 100644
index e69de29..0000000
diff --git a/src/heurams/kernel/algorithms/fsrs.py b/src/heurams/kernel/algorithms/fsrs.py
new file mode 100644
index 0000000..2c00adc
--- /dev/null
+++ b/src/heurams/kernel/algorithms/fsrs.py
@@ -0,0 +1 @@
+# FSRS 算法模块, 尚未就绪
\ No newline at end of file
diff --git a/src/heurams/kernel/algorithms/supermemo2.py b/src/heurams/kernel/algorithms/sm2.py
similarity index 98%
rename from src/heurams/kernel/algorithms/supermemo2.py
rename to src/heurams/kernel/algorithms/sm2.py
index 3bf5093..4553638 100644
--- a/src/heurams/kernel/algorithms/supermemo2.py
+++ b/src/heurams/kernel/algorithms/sm2.py
@@ -1,7 +1,7 @@
 import heurams.services.timer as timer
 from typing import TypedDict
 
-algo_name = "supermemo2"
+algo_name = "SM-2"
 
 class AlgodataDict(TypedDict):
     efactor: float
diff --git a/src/heurams/kernel/particles/__init__.py b/src/heurams/kernel/particles/__init__.py
index 1a734ee..e474781 100644
--- a/src/heurams/kernel/particles/__init__.py
+++ b/src/heurams/kernel/particles/__init__.py
@@ -1,4 +1,5 @@
 from .electron import Electron
 from .nucleon import Nucleon
+from .orbital import Orbital
 from .atom import Atom
 from .probe import probe_all, probe_by_filename
\ No newline at end of file
diff --git a/src/heurams/kernel/particles/atom.py b/src/heurams/kernel/particles/atom.py
index 4eedf0a..6215990 100644
--- a/src/heurams/kernel/particles/atom.py
+++ b/src/heurams/kernel/particles/atom.py
@@ -1,5 +1,6 @@
 from .electron import Electron
 from .nucleon import Nucleon
+from .orbital import Orbital
 from typing import TypedDict
 import pathlib
 import typing
@@ -13,7 +14,7 @@ class AtomRegister(TypedDict):
     electron: Electron
     electron_path: pathlib.Path
     electron_fmt: str
-    orbital: dict
+    orbital: Orbital
     orbital_path: pathlib.Path
     orbital_fmt: str
 
@@ -26,8 +27,6 @@ class Atom():
         以及关联路径
     """
 
-
-
     def __init__(self, ident = ""):
         self.ident = ident
         self.register: AtomRegister = { # type: ignore
diff --git a/src/heurams/kernel/particles/orbital.py b/src/heurams/kernel/particles/orbital.py
new file mode 100644
index 0000000..8ebd934
--- /dev/null
+++ b/src/heurams/kernel/particles/orbital.py
@@ -0,0 +1,18 @@
+from typing import TypedDict
+
+class Orbital(TypedDict):
+    quick_view: list
+    recognition: list
+    final_review: list
+    puzzle_config: dict
+
+"""一份示例
+["__metadata__.orbital"] # 内置的推荐学习方案
+quick_review = [["cloze", 1], ["mcq", 0.5], ["recognition", 1]]
+recognition = [["recognition", 1]]
+final_review = [["cloze", 0.7], ["mcq", 0.7], ["recognition", 1]]
+
+["__metadata__.orbital.puzzle_config"]
+cloze = { from = "content"}
+mcq = { from = "keyword_note" }
+"""
\ No newline at end of file
diff --git a/src/heurams/kernel/puzzles/base.py b/src/heurams/kernel/puzzles/base.py
index 52ff895..f5b8a38 100644
--- a/src/heurams/kernel/puzzles/base.py
+++ b/src/heurams/kernel/puzzles/base.py
@@ -1,2 +1,18 @@
+# base.py
 class BasePuzzle:
-    pass
\ No newline at end of file
+    """谜题基类"""
+    
+    def refresh(self):
+        """刷新谜题, 子类必须实现"""
+        raise NotImplementedError("谜题对象没有实现 refresh 方法")
+    
+    def __str__(self):
+        """字符串表示, 子类应该实现"""
+        return f"谜题: {type(self).__name__}"
+    
+    @classmethod
+    def register(cls, name: str = None): # type: ignore
+        """谜题注册装饰器"""
+        from registry import registry
+        puzzle_name = name or cls.__name__
+        return registry.register(puzzle_name, cls)
\ No newline at end of file
diff --git a/src/heurams/kernel/puzzles/mcq.py b/src/heurams/kernel/puzzles/mcq.py
index 35d4511..90bb0c6 100644
--- a/src/heurams/kernel/puzzles/mcq.py
+++ b/src/heurams/kernel/puzzles/mcq.py
@@ -1,16 +1,11 @@
+# mcq.py
 from base import BasePuzzle
 import random
 
+@BasePuzzle.register("multiple_choice")
 class MCQPuzzle(BasePuzzle):
-    """选择题谜题生成器
+    """选择题谜题生成器"""
     
-    Args:
-        mapping: 正确选项映射 {问题: 答案}
-        jammer: 干扰项列表
-        max_riddles_num: 最大生成谜题数 (默认2个)
-        prefix: 问题前缀
-    """
-
     def __init__(
         self,
         mapping: dict,
diff --git a/src/heurams/kernel/puzzles/registry.py b/src/heurams/kernel/puzzles/registry.py
new file mode 100644
index 0000000..08b7620
--- /dev/null
+++ b/src/heurams/kernel/puzzles/registry.py
@@ -0,0 +1,31 @@
+# registry.py
+from typing import Dict, Type, Any
+from base import BasePuzzle
+
+class PuzzleRegistry:
+    """谜题注册表"""
+    
+    def __init__(self):
+        self._puzzles: Dict[str, Type[BasePuzzle]] = {}
+    
+    def register(self, name: str, puzzle_class: Type[BasePuzzle]):
+        """注册谜题类"""
+        self._puzzles[name] = puzzle_class
+        return puzzle_class
+    
+    def create(self, name: str, **kwargs) -> BasePuzzle:
+        """创建谜题实例"""
+        if name not in self._puzzles:
+            raise ValueError(f"未知的谜题类型: {name}")
+        return self._puzzles[name](**kwargs)
+    
+    def list_available(self) -> list:
+        """获取可用的谜题类型列表"""
+        return list(self._puzzles.keys())
+    
+    def get_class(self, name: str) -> Type[BasePuzzle]:
+        """获取谜题类"""
+        return self._puzzles.get(name) # type: ignore
+
+# 全局注册表实例
+registry = PuzzleRegistry()
\ No newline at end of file
diff --git a/src/heurams/kernel/reactor/apparatus.py b/src/heurams/kernel/reactor/apparatus.py
deleted file mode 100644
index a1a3c8a..0000000
--- a/src/heurams/kernel/reactor/apparatus.py
+++ /dev/null
@@ -1,32 +0,0 @@
-# 单个原子处理器
-
-import heurams.kernel.particles as pt
-import typing
-
-class Apparatus():
-    """反应器对象, 决策一个原子的不同记忆方式, 并反馈到布局"""
-    def __init__(self, screen, reactor, atom, is_review = 0):
-        self.electron: pt.Electron = atom[0]
-        self.nucleon: pt.Nucleon = atom[1]
-        self.positron: dict = atom[2]
-        self.testdata = self.positron["testdata"]
-        self.procession: typing.List[comps.Composition] = list()
-        if self.positron["is_new_activation"] == 1:
-            self.positron["is_new_activation"] = 0
-            self.procession.append(comps.registry["recognition"](screen, reactor, atom))
-            return
-        for i in self.positron["testdata"].keys():
-            if i == "additional_inf":
-                continue
-            if i == "fill_blank_test": # 加深
-                self.procession.append(comps.registry[i](screen, reactor, atom))
-                # self.procession.append(comps.registry[i](screen, reactor, atom))
-            self.procession.append(comps.registry[i](screen, reactor, atom))
-        # self.procession.reverse()
-        random.shuffle(self.procession)
-        if self.positron["is_new_activation"] == 0:
-            self.procession.append(comps.registry['recognition'](screen, reactor, atom))
-        if is_review == 1:
-            self.procession = [self.procession[-2], self.procession[-1]]
-    def iterator(self):
-        yield from self.procession
diff --git a/src/heurams/kernel/reactor/core.py b/src/heurams/kernel/reactor/core.py
index ac5b409..73cc7ab 100644
--- a/src/heurams/kernel/reactor/core.py
+++ b/src/heurams/kernel/reactor/core.py
@@ -3,15 +3,15 @@
 import heurams.kernel.particles as pt
 import heurams.services.timer as timer
 from typing import Tuple
-from .apparatus import Apparatus
 
-class Core():
-    """堆芯: 记忆流程核心状态机"""
-    def __init__(self, atoms: list, stage = ""):
+class Procession():
+    """队列: 记忆流程核心状态机"""
+    def __init__(self, atoms: list, phase: str = ""):
         self.atoms = atoms
         self.queue = atoms.copy()
         self.current_atom = atoms[0]
         self.cursor = 0
+        self.phase = phase
 
     def forward(self, step = 1):
         self.cursor += step
@@ -21,8 +21,11 @@ class Core():
         except IndexError:
             return 0
 
-    def append(self, atom):
-        self.queue.append(self.current_atom)
+    def append(self, atom = None):
+        if atom == None:
+            self.queue.append(self.current_atom)
+        else:
+            self.queue.append(atom)
 
     def __len__(self):
         return (len(self.queue) - self.cursor)
@@ -32,9 +35,13 @@ class Core():
 
 class Fission():
     """裂变器: 单原子调度展开器"""
-    def __init__(self, atom: pt.Atom):
+    def __init__(self, atom: pt.Atom, stage = ""):
         self.atom = atom
-        atom.register["orbital"]
+        atom.register["orbital"]["puzzle_config"]
+
+class Phaser():
+    """移相器: 全局调度阶段管理器"""
+
 
 class Reactork():
     """反应堆对象, 处理和分配一次文件记忆流程的资源与策略"""