diff --git a/backend/core/basic/character/calc_equip.py b/backend/core/basic/character/calc_equip.py
index 850277d8..8f4faaba 100644
--- a/backend/core/basic/character/calc_equip.py
+++ b/backend/core/basic/character/calc_equip.py
@@ -6,6 +6,7 @@ from core.basic.equipment import OathSuit, Suit, get_equipment
 from ..formula import 增幅计算, 强化技攻, 武器强化计算, 精通计算, 耳环计算, 左右计算, 锻造计算
 from ..roleinfo import CharacterEmblemInfo, CharacterEquipInfo, CharacterOathInfo, get_key_by_value
 from .base import CharacterBase
+from .config_view import CalcConfigView
 
 
 @cache
@@ -403,12 +404,13 @@ class CalcEquipMixin(CharacterBase):
     # region 主计算入口
 
     def calc(self, setInfo: dict[str, dict]):
-        self.calc_init(setInfo)
+        config = CalcConfigView(setInfo).as_legacy_dict()
+        self.calc_init(config)
         self.SetBaseStatus()
-        self.calc_jade(setInfo.get('jades', []))
-        self.calc_avatar(setInfo.get('avatar', {}))
+        self.calc_jade(config.get('jades', []))
+        self.calc_avatar(config.get('avatar', {}))
         self.calc_basic()
-        self.calc_sundry(setInfo.get('sundry', {}))
+        self.calc_sundry(config.get('sundry', {}))
         self.calc_emblems()
         suit = self.calc_suits()
         self.calc_equs()
@@ -430,7 +432,7 @@ class CalcEquipMixin(CharacterBase):
                         self.输出类型 = '魔法百分比'
                     else:
                         self.输出类型 = '物理百分比'
-            skillInfos = self.calc_carry_skills(setInfo.get('DSB', False), setInfo.get('BUFF', False))
+            skillInfos = self.calc_carry_skills(config.get('DSB', False), config.get('BUFF', False))
             info = self.get_carry_info()
         return {'uuid': uuid1().hex, 'skills': skillInfos, 'info': info, 'suits': suit, 'buffer': self.buffer}
 
diff --git a/backend/core/basic/character/config_view.py b/backend/core/basic/character/config_view.py
new file mode 100644
index 00000000..91aa3a7c
--- /dev/null
+++ b/backend/core/basic/character/config_view.py
@@ -0,0 +1,61 @@
+from collections.abc import Mapping
+from typing import Any
+
+
+class CalcConfigView:
+    def __init__(self, raw: Mapping[str, Any] | None):
+        self.raw = dict(raw or {})
+
+    @property
+    def equips(self) -> dict[str, dict[str, Any]]:
+        return dict(self.raw.get('equips') or {})
+
+    @property
+    def oaths(self) -> dict[str, dict[str, Any]]:
+        return dict(self.raw.get('oaths') or {})
+
+    @property
+    def emblems(self) -> dict[str, dict[str, Any]]:
+        return dict(self.raw.get('emblems') or {})
+
+    @property
+    def skills(self) -> dict[str, dict[str, Any]]:
+        return dict(self.raw.get('skills') or {})
+
+    @property
+    def avatar(self) -> dict[str, Any]:
+        return dict(self.raw.get('avatar') or {})
+
+    @property
+    def sundry(self) -> dict[str, Any]:
+        return dict(self.raw.get('sundry') or {})
+
+    @property
+    def jades(self) -> dict[str, Any]:
+        return dict(self.raw.get('jades') or {})
+
+    @property
+    def options(self) -> dict[str, Any]:
+        return dict(self.raw.get('options') or {})
+
+    @property
+    def dsb(self) -> bool:
+        return bool(self.raw.get('DSB', False))
+
+    @property
+    def buff(self) -> bool:
+        return bool(self.raw.get('BUFF', False))
+
+    def as_legacy_dict(self) -> dict[str, Any]:
+        data = dict(self.raw)
+        data.setdefault('equips', {})
+        data.setdefault('oaths', {})
+        data.setdefault('emblems', {})
+        data.setdefault('skills', {})
+        data.setdefault('avatar', {})
+        data.setdefault('sundry', {})
+        data.setdefault('jades', {})
+        data.setdefault('options', {})
+        data.setdefault('DSB', False)
+        data.setdefault('BUFF', False)
+        return data
diff --git a/backend/tests/unit/test_calc_config_view.py b/backend/tests/unit/test_calc_config_view.py
new file mode 100644
index 00000000..200ee1ed
--- /dev/null
+++ b/backend/tests/unit/test_calc_config_view.py
@@ -0,0 +1,27 @@
+from core.basic.character.config_view import CalcConfigView
+
+
+def test_config_view_provides_defaults():
+    view = CalcConfigView(None)
+
+    assert view.equips == {}
+    assert view.oaths == {}
+    assert view.emblems == {}
+    assert view.skills == {}
+    assert view.avatar == {}
+    assert view.sundry == {}
+    assert view.jades == {}
+    assert view.options == {}
+    assert view.dsb is False
+    assert view.buff is False
+
+
+def test_config_view_preserves_legacy_keys():
+    view = CalcConfigView({'skills': {'100': {'lv': 1}}, 'BUFF': True})
+
+    data = view.as_legacy_dict()
+
+    assert data['skills'] == {'100': {'lv': 1}}
+    assert data['BUFF'] is True
+    assert data['DSB'] is False
+    assert data['equips'] == {}