diff --git a/app/services/suppliers.py b/app/services/suppliers.py
index 229f9e9..99404c5 100644
--- a/app/services/suppliers.py
+++ b/app/services/suppliers.py
@@ -142,8 +142,6 @@ class SupplierProfileService:
             )
             .group_by(AnomalyCase.supplier, AnomalyCase.defect_level)
         )
-        if keyword and keyword.strip():
-            statement = statement.where(AnomalyCase.supplier.ilike(f"%{keyword.strip()}%"))
         grouped: dict[str, dict[str, int]] = defaultdict(
             lambda: {"total": 0, "a": 0, "b": 0}
         )
@@ -151,6 +149,8 @@ class SupplierProfileService:
             name = (supplier or "").strip()
             if not name:
                 continue
+            if keyword and not self.matches(name, keyword):
+                continue
             value = grouped[name]
             amount = int(count or 0)
             value["total"] += amount
@@ -184,7 +184,11 @@ class SupplierProfileService:
 
     @staticmethod
     def matches(value: str | None, target: str) -> bool:
-        return bool(value and target.strip().lower() in value.lower())
+        if not value:
+            return False
+        source = "".join(value.casefold().split())
+        query = "".join(target.casefold().split())
+        return bool(query and (query in source or source in query))
 
     @classmethod
     def _group_suppliers(cls, rows: list[dict], keyword: str | None) -> dict[str, list[dict]]:
diff --git a/tests/test_suppliers.py b/tests/test_suppliers.py
index ff9ca1d..7d175d3 100644
--- a/tests/test_suppliers.py
+++ b/tests/test_suppliers.py
@@ -14,6 +14,11 @@ def test_supplier_tier_rules_follow_prd() -> None:
     assert SupplierProfileService.tier_for(121, 0, 0) == "C级"
 
 
+def test_supplier_name_matching_supports_full_name_and_short_name() -> None:
+    assert SupplierProfileService.matches("佳亿", "佛山市佳亿包装有限公司")
+    assert SupplierProfileService.matches("佛山市佳亿包装有限公司", "佳亿")
+
+
 def test_supplier_alpha_is_capped_and_rounded() -> None:
     assert SupplierProfileService.alpha(0) == 1.0
     assert SupplierProfileService.alpha(42) == 1.13