diff --git a/scripts/dasha_registry.py b/scripts/dasha_registry.py
index 87aaa1e4..e36aac5e 100644
--- a/scripts/dasha_registry.py
+++ b/scripts/dasha_registry.py
@@ -12,6 +12,7 @@ This module must not import `jyotish_api_server` or PyJHora.
 
 from __future__ import annotations
 
+import copy
 from datetime import datetime
 from typing import Any
 
@@ -287,8 +288,22 @@ def compute_dasha(
     body = body or {}
     alt, conditional, planet_lons = build_reading_birth_info(birth_dt, planets or {}, ascendant, body)
     if key == "yogini":
-        payload = _load("yogini_dasha").calculate_yogini_dasha({**alt, "moon_longitude": conditional["moon_longitude"]})
-        return {"periods": _major_rows(payload)}
+        module = _load("yogini_dasha")
+        payload = module.calculate_yogini_dasha({**alt, "moon_longitude": conditional["moon_longitude"]})
+        year_days = 365.25
+        if isinstance(payload, dict) and payload.get("dasha_year_days") is not None:
+            year_days = float(payload["dasha_year_days"])
+        periods = []
+        for row in _major_rows(payload):
+            copied = copy.deepcopy(row)
+            if isinstance(copied, dict):
+                copied["antardasha"] = module.yogini_antardashas(
+                    copied,
+                    birth_dt=birth_dt,
+                    year_days=year_days,
+                )
+            periods.append(copied)
+        return {"periods": periods}
     if key == "ashtottari":
         payload = _load("ashtottari_dasha").calculate_ashtottari_dasha({
             **alt,
diff --git a/tests/test_dasha_api_engine_parity.py b/tests/test_dasha_api_engine_parity.py
index 991c9c75..dad5a391 100644
--- a/tests/test_dasha_api_engine_parity.py
+++ b/tests/test_dasha_api_engine_parity.py
@@ -201,6 +201,18 @@ def _period_covering(majors, moment: datetime):
     return None
 
 
+def _without_antardasha(rows):
+    cleaned = []
+    for row in rows:
+        if isinstance(row, dict) and "antardasha" in row:
+            item = dict(row)
+            item.pop("antardasha")
+            cleaned.append(item)
+        else:
+            cleaned.append(row)
+    return cleaned
+
+
 def test_api_major_periods_match_full_reading_modules() -> None:
     report = _fiction_reading()
     modules = report["modules"]
@@ -210,7 +222,16 @@ def test_api_major_periods_match_full_reading_modules() -> None:
         result = handler._compute_dasha_system(_chart_body(report, key))
         assert result["precision"] == "engine_module", key
         assert result["precision"] not in {"generic", "calculator"}
-        assert result["periods"] == engine_rows, key
+        if key == "yogini":
+            # 原值：result["periods"] == engine_rows
+            # 新值：去掉 antardasha 后相等
+            # 原因：小运只挂在接口返回的副本上，完整解读的 Yogini 行保持原字段
+            assert _without_antardasha(result["periods"]) == engine_rows, key
+            assert result["periods"]
+            assert all(isinstance(row, dict) and row.get("antardasha") for row in result["periods"])
+            assert all(isinstance(row, dict) and "antardasha" not in row for row in engine_rows)
+        else:
+            assert result["periods"] == engine_rows, key
 
 
 def test_unimplemented_dasha_keys_are_rejected() -> None: