diff --git a/data/repo/test/schedule.toml b/data/repo/test/schedule.toml
index 792ed3d..d62ef1f 100644
--- a/data/repo/test/schedule.toml
+++ b/data/repo/test/schedule.toml
@@ -1,3 +1,5 @@
+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
diff --git a/src/heurams/kernel/particles/__init__.py b/src/heurams/kernel/particles/__init__.py
index e69de29..93edc74 100644
--- a/src/heurams/kernel/particles/__init__.py
+++ b/src/heurams/kernel/particles/__init__.py
@@ -0,0 +1,4 @@
+from .atom import Atom
+from .electron import Electron
+from .nucleon import Nucleon
+from .orbital import Orbital
\ No newline at end of file
diff --git a/src/heurams/kernel/particles/atom.py b/src/heurams/kernel/particles/atom.py
index eae9f54..46cd7e2 100644
--- a/src/heurams/kernel/particles/atom.py
+++ b/src/heurams/kernel/particles/atom.py
@@ -40,6 +40,7 @@ class Atom:
     }
 
     def __init__(self, nucleon_obj = None, electron_obj = None, orbital_obj = None):
+        self.ident = nucleon_obj["ident"] # type: ignore
         self.registry: AtomRegister = {  # type: ignore
             "ident": nucleon_obj["ident"], # type: ignore
             "nucleon": nucleon_obj,
diff --git a/src/heurams/kernel/particles/orbital.py b/src/heurams/kernel/particles/orbital.py
new file mode 100644
index 0000000..f2e51e3
--- /dev/null
+++ b/src/heurams/kernel/particles/orbital.py
@@ -0,0 +1,14 @@
+from heurams.utils.lict import Lict
+from heurams.utils.evalizor import Evalizer
+
+class Orbital():
+    @classmethod
+    def create_orbital(cls, schedule: list, phase_def: dict):
+        phase_def = Lict(initdict=phase_def) # type: ignore
+        orbital = Lict()
+        for i in schedule:
+            orbital[i] = Lict(phase_def[i])
+        return orbital
+    @classmethod
+    def create_orbital_on_orbitic_data(cls, orbitic_data):
+        return cls.create_orbital(orbitic_data["schedule"], orbitic_data["phases"])
\ No newline at end of file
diff --git a/src/heurams/kernel/repomgr/repo.py b/src/heurams/kernel/repomgr/repo.py
index e7e1e67..db1d3b9 100644
--- a/src/heurams/kernel/repomgr/repo.py
+++ b/src/heurams/kernel/repomgr/repo.py
@@ -4,7 +4,6 @@ import heurams.kernel.particles as pt
 import toml
 import json
 from ...utils.lict import Lict
-from .refvar import RefVar
 
 class Repo():
     file_mapping = {
@@ -45,6 +44,7 @@ class Repo():
     def generate_particles_data(self):
         self.nucleonic_data_lict = Lict(initlist=list(map(self._attach(self.typedef), self.payload)))
         self.electronic_data_lict = self.algodata
+        self.orbitic_data = self.schedule
 
     @staticmethod
     def _attach(value):
@@ -52,6 +52,12 @@ class Repo():
             return (x, value)
         return inner
 
+    @staticmethod
+    def _merge(value):
+        def inner(x):
+            return map(x, value)
+        return inner
+
     def __len__(self):
         return len(self.payload)
 
@@ -104,7 +110,7 @@ class Repo():
                 else:
                     raise ValueError(f"不支持的文件类型: {filename}")
                 if cls.type_mapping[keyname] == "lict":
-                    database[keyname] = Lict(loaded.items())
+                    database[keyname] = Lict(list(loaded.items()))
                 elif cls.type_mapping[keyname] == "dict":
                     database[keyname] = loaded
                 else:
diff --git a/src/heurams/utils/lict.py b/src/heurams/utils/lict.py
index ad4f587..5e05282 100644
--- a/src/heurams/utils/lict.py
+++ b/src/heurams/utils/lict.py
@@ -1,9 +1,10 @@
 
 from collections import UserList
-from typing import Any
+from typing import Any, Iterator
 
 class Lict(UserList): #TODO: 优化同步(惰性同步), 当前性能为 O(n)
     """"列典" 对象  
+
     同时兼容字典和列表大多数 API, 两边数据同步的容器  
     列表数据是 dictobj.items() 的格式  
     支持根据字典或列表初始化
@@ -12,25 +13,33 @@ class Lict(UserList): #TODO: 优化同步(惰性同步), 当前性能为 O(n)
     - 值一定是引用对象
     - 不使用并发
     - 不在乎列表顺序语义(严格按键名字符序排列)和列表索引查找, 因此外部的 sort, index 等功能不可用
-    - append 的元组中, 表示键名的元素不能重复, 否则会导致覆盖行为
+    - append 的元组中, 表示键名的元素不能重复, 否则会导致覆盖行为  
+    
+    只有在 Python 3.7+ 中, forced_order 行为才能被取消.
     """
-    def __init__(self, initlist = None, initdict = None):
+    def __init__(self, initlist: list | None = None, initdict: dict | None = None, forced_order = True):
         self.dicted_data = {}
         if initdict != None:
             initlist = list(initdict.items())
         super().__init__(initlist=initlist)
+        self.forced_order = forced_order
         self._sync_based_on_list()
-        self.data.sort()
+        if self.forced_order:
+            self.data.sort()
     
     def _sync_based_on_dict(self):
         self.data = list(self.dicted_data.items())
-        self.data.sort()
+        if self.forced_order:
+            self.data.sort()
 
     def _sync_based_on_list(self):
         self.dicted_data = {}
         for i in self.data:
             self.dicted_data[i[0]] = i[1]
 
+    def __iter__(self) -> Iterator:
+        return self.data.__iter__()
+
     def __getitem__(self, i):
         if isinstance(i, str):
             return self.dicted_data[i]
diff --git a/src/heurams/kernel/repomgr/refvar.py b/src/heurams/utils/refvar.py
similarity index 100%
rename from src/heurams/kernel/repomgr/refvar.py
rename to src/heurams/utils/refvar.py