diff --git a/backend/database.py b/backend/database.py
index 241c163..6164c08 100644
--- a/backend/database.py
+++ b/backend/database.py
@@ -251,6 +251,14 @@ def init_db():
     if "volume" not in cols:
         c.execute("ALTER TABLE recipes ADD COLUMN volume TEXT DEFAULT ''")
 
+    # Migration: rename oils 西洋蓍草→西洋蓍草石榴籽, 元气→元气焕能
+    _oil_renames = [("西洋蓍草", "西洋蓍草石榴籽"), ("元气", "元气焕能")]
+    for old_name, new_name in _oil_renames:
+        exists = c.execute("SELECT 1 FROM oils WHERE name = ?", (old_name,)).fetchone()
+        if exists:
+            c.execute("UPDATE oils SET name = ? WHERE name = ?", (new_name, old_name))
+            c.execute("UPDATE recipe_ingredients SET oil_name = ? WHERE oil_name = ?", (new_name, old_name))
+
     # Seed admin user if no users exist
     count = c.execute("SELECT COUNT(*) FROM users").fetchone()[0]
     if count == 0:
diff --git a/backend/defaults.json b/backend/defaults.json
index a8227f6..b24d087 100644
--- a/backend/defaults.json
+++ b/backend/defaults.json
@@ -328,11 +328,11 @@
       "bottlePrice": 110,
       "dropCount": 280
     },
-    "西洋蓍草": {
+    "西洋蓍草石榴籽": {
       "bottlePrice": 450,
       "dropCount": 280
     },
-    "元气": {
+    "元气焕能": {
       "bottlePrice": 230,
       "dropCount": 280
     },
@@ -514,7 +514,7 @@
           "drops": 1
         },
         {
-          "oil": "西洋蓍草",
+          "oil": "西洋蓍草石榴籽",
           "drops": 1
         },
         {
@@ -797,7 +797,7 @@
           "drops": 1
         },
         {
-          "oil": "西洋蓍草",
+          "oil": "西洋蓍草石榴籽",
           "drops": 1
         },
         {
@@ -867,7 +867,7 @@
       "note": "",
       "ingredients": [
         {
-          "oil": "西洋蓍草",
+          "oil": "西洋蓍草石榴籽",
           "drops": 2
         },
         {
@@ -929,7 +929,7 @@
           "drops": 1
         },
         {
-          "oil": "西洋蓍草",
+          "oil": "西洋蓍草石榴籽",
           "drops": 2
         },
         {
@@ -1169,7 +1169,7 @@
       "tags": [],
       "ingredients": [
         {
-          "oil": "西洋蓍草",
+          "oil": "西洋蓍草石榴籽",
           "drops": 20
         },
         {
@@ -1196,7 +1196,7 @@
       "tags": [],
       "ingredients": [
         {
-          "oil": "西洋蓍草",
+          "oil": "西洋蓍草石榴籽",
           "drops": 20
         },
         {
@@ -1615,7 +1615,7 @@
           "drops": 20
         },
         {
-          "oil": "元气",
+          "oil": "元气焕能",
           "drops": 20
         },
         {
@@ -1910,7 +1910,7 @@
           "drops": 10
         },
         {
-          "oil": "西洋蓍草",
+          "oil": "西洋蓍草石榴籽",
           "drops": 10
         }
       ]
@@ -2072,7 +2072,7 @@
           "drops": 5
         },
         {
-          "oil": "元气",
+          "oil": "元气焕能",
           "drops": 5
         },
         {
@@ -2216,7 +2216,7 @@
           "drops": 5
         },
         {
-          "oil": "元气",
+          "oil": "元气焕能",
           "drops": 5
         }
       ]
@@ -2285,7 +2285,7 @@
       "tags": [],
       "ingredients": [
         {
-          "oil": "西洋蓍草",
+          "oil": "西洋蓍草石榴籽",
           "drops": 5
         },
         {
@@ -2328,7 +2328,7 @@
           "drops": 5
         },
         {
-          "oil": "元气",
+          "oil": "元气焕能",
           "drops": 8
         },
         {
@@ -2491,7 +2491,7 @@
           "drops": 10
         },
         {
-          "oil": "元气",
+          "oil": "元气焕能",
           "drops": 10
         }
       ]
@@ -2643,7 +2643,7 @@
           "drops": 2
         },
         {
-          "oil": "西洋蓍草",
+          "oil": "西洋蓍草石榴籽",
           "drops": 2
         }
       ]
@@ -2666,7 +2666,7 @@
           "drops": 5
         },
         {
-          "oil": "元气",
+          "oil": "元气焕能",
           "drops": 5
         },
         {
@@ -2709,7 +2709,7 @@
           "drops": 3
         },
         {
-          "oil": "西洋蓍草",
+          "oil": "西洋蓍草石榴籽",
           "drops": 10
         }
       ]
@@ -2778,7 +2778,7 @@
           "drops": 5
         },
         {
-          "oil": "西洋蓍草",
+          "oil": "西洋蓍草石榴籽",
           "drops": 10
         },
         {
@@ -2816,7 +2816,7 @@
       "tags": [],
       "ingredients": [
         {
-          "oil": "元气",
+          "oil": "元气焕能",
           "drops": 15
         },
         {
@@ -2901,7 +2901,7 @@
       "tags": [],
       "ingredients": [
         {
-          "oil": "元气",
+          "oil": "元气焕能",
           "drops": 5
         },
         {
@@ -3041,7 +3041,7 @@
           "drops": 5
         },
         {
-          "oil": "西洋蓍草",
+          "oil": "西洋蓍草石榴籽",
           "drops": 10
         }
       ]
@@ -3111,7 +3111,7 @@
           "drops": 10
         },
         {
-          "oil": "元气",
+          "oil": "元气焕能",
           "drops": 5
         },
         {
@@ -3276,7 +3276,7 @@
           "drops": 8
         },
         {
-          "oil": "西洋蓍草",
+          "oil": "西洋蓍草石榴籽",
           "drops": 10
         },
         {
@@ -3858,7 +3858,7 @@
           "drops": 30
         },
         {
-          "oil": "西洋蓍草",
+          "oil": "西洋蓍草石榴籽",
           "drops": 30
         },
         {
@@ -4327,7 +4327,7 @@
           "drops": 5
         },
         {
-          "oil": "西洋蓍草",
+          "oil": "西洋蓍草石榴籽",
           "drops": 20
         }
       ]
@@ -4393,7 +4393,7 @@
           "drops": 3
         },
         {
-          "oil": "西洋蓍草",
+          "oil": "西洋蓍草石榴籽",
           "drops": 3
         },
         {
@@ -4564,7 +4564,7 @@
           "drops": 2
         },
         {
-          "oil": "西洋蓍草",
+          "oil": "西洋蓍草石榴籽",
           "drops": 10
         },
         {
@@ -4696,7 +4696,7 @@
           "drops": 5
         },
         {
-          "oil": "西洋蓍草",
+          "oil": "西洋蓍草石榴籽",
           "drops": 10
         }
       ]
@@ -4723,7 +4723,7 @@
           "drops": 5
         },
         {
-          "oil": "西洋蓍草",
+          "oil": "西洋蓍草石榴籽",
           "drops": 5
         },
         {
@@ -4758,7 +4758,7 @@
           "drops": 5
         },
         {
-          "oil": "西洋蓍草",
+          "oil": "西洋蓍草石榴籽",
           "drops": 5
         }
       ]
@@ -4866,7 +4866,7 @@
       "tags": [],
       "ingredients": [
         {
-          "oil": "西洋蓍草",
+          "oil": "西洋蓍草石榴籽",
           "drops": 10
         },
         {
@@ -4893,7 +4893,7 @@
       "tags": [],
       "ingredients": [
         {
-          "oil": "西洋蓍草",
+          "oil": "西洋蓍草石榴籽",
           "drops": 20
         },
         {
@@ -5056,7 +5056,7 @@
       "tags": [],
       "ingredients": [
         {
-          "oil": "西洋蓍草",
+          "oil": "西洋蓍草石榴籽",
           "drops": 10
         },
         {
@@ -6583,7 +6583,7 @@
           "drops": 4
         },
         {
-          "oil": "元气",
+          "oil": "元气焕能",
           "drops": 4
         },
         {
@@ -6662,7 +6662,7 @@
           "drops": 4
         },
         {
-          "oil": "元气",
+          "oil": "元气焕能",
           "drops": 4
         },
         {
@@ -6729,7 +6729,7 @@
           "drops": 4
         },
         {
-          "oil": "元气",
+          "oil": "元气焕能",
           "drops": 4
         },
         {
@@ -7051,7 +7051,7 @@
           "drops": 10
         },
         {
-          "oil": "西洋蓍草",
+          "oil": "西洋蓍草石榴籽",
           "drops": 20
         },
         {
@@ -7112,7 +7112,7 @@
           "drops": 3
         },
         {
-          "oil": "西洋蓍草",
+          "oil": "西洋蓍草石榴籽",
           "drops": 3
         }
       ]
@@ -7588,7 +7588,7 @@
           "drops": 10
         },
         {
-          "oil": "西洋蓍草",
+          "oil": "西洋蓍草石榴籽",
           "drops": 10
         },
         {
@@ -7819,7 +7819,7 @@
           "drops": 2
         },
         {
-          "oil": "元气",
+          "oil": "元气焕能",
           "drops": 3
         },
         {