diff --git a/internal/db/models/ip_library_file_dao.go b/internal/db/models/ip_library_file_dao.go
index 0a06ba81..0d7f3627 100644
--- a/internal/db/models/ip_library_file_dao.go
+++ b/internal/db/models/ip_library_file_dao.go
@@ -13,6 +13,7 @@ import (
 	"github.com/iwind/TeaGo/types"
 	"io"
 	"os"
+	"strings"
 	"time"
 )
 
@@ -449,6 +450,14 @@ func (this *IPLibraryFileDAO) GenerateIPLibrary(tx *dbs.Tx, libraryFileId int64)
 	for _, province := range dbProvinces {
 		for _, code := range province.AllCodes() {
 			provinceMap[types.String(province.CountryId)+"_"+code] = int64(province.ValueId)
+
+			for _, suffix := range regions.RegionProvinceSuffixes {
+				if strings.HasSuffix(code, suffix) {
+					provinceMap[types.String(province.CountryId)+"_"+strings.TrimSuffix(code, suffix)] = int64(province.ValueId)
+				} else {
+					provinceMap[types.String(province.CountryId)+"_"+(code+suffix)] = int64(province.ValueId)
+				}
+			}
 		}
 	}
 
diff --git a/internal/db/models/regions/region_province_dao.go b/internal/db/models/regions/region_province_dao.go
index 6a28fd3a..d6ca8a67 100644
--- a/internal/db/models/regions/region_province_dao.go
+++ b/internal/db/models/regions/region_province_dao.go
@@ -11,6 +11,7 @@ import (
 	"github.com/iwind/TeaGo/types"
 	"sort"
 	"strconv"
+	"strings"
 )
 
 const (
@@ -18,6 +19,8 @@ const (
 	RegionProvinceStateDisabled = 0 // 已禁用
 )
 
+var RegionProvinceSuffixes = []string{"省", "州", "区", "大区", "特区", "港", "岛", "环礁", "谷地", "山", "口岸", "郡", "县", "城", "河", "河畔", "市"}
+
 type RegionProvinceDAO dbs.DAO
 
 func NewRegionProvinceDAO() *RegionProvinceDAO {
@@ -95,6 +98,37 @@ func (this *RegionProvinceDAO) FindProvinceIdWithDataId(tx *dbs.Tx, dataId strin
 
 // FindProvinceIdWithName 根据省份名查找省份ID
 func (this *RegionProvinceDAO) FindProvinceIdWithName(tx *dbs.Tx, countryId int64, provinceName string) (int64, error) {
+	{
+		provinceId, err := this.findProvinceIdWithExactName(tx, countryId, provinceName)
+		if err != nil {
+			return 0, err
+		}
+		if provinceId > 0 {
+			return provinceId, nil
+		}
+	}
+
+	// 候选词
+	for _, suffix := range RegionProvinceSuffixes {
+		var name string
+		if strings.HasSuffix(provinceName, suffix) {
+			name = strings.TrimSuffix(provinceName, suffix)
+		} else {
+			name = provinceName + suffix
+		}
+		provinceId, err := this.findProvinceIdWithExactName(tx, countryId, name)
+		if err != nil {
+			return 0, err
+		}
+		if provinceId > 0 {
+			return provinceId, nil
+		}
+	}
+
+	return 0, nil
+}
+
+func (this *RegionProvinceDAO) findProvinceIdWithExactName(tx *dbs.Tx, countryId int64, provinceName string) (int64, error) {
 	return this.Query(tx).
 		Attr("countryId", countryId).
 		Where("(name=:provinceName OR customName=:provinceName OR JSON_CONTAINS(codes, :provinceNameJSON) OR JSON_CONTAINS(customCodes, :provinceNameJSON))").
diff --git a/internal/db/models/regions/region_province_dao_test.go b/internal/db/models/regions/region_province_dao_test.go
index a9c6febf..d73d7ce8 100644
--- a/internal/db/models/regions/region_province_dao_test.go
+++ b/internal/db/models/regions/region_province_dao_test.go
@@ -26,6 +26,25 @@ func TestRegionProvinceDAO_FindProvinceIdWithName(t *testing.T) {
 	}
 }
 
+func TestRegionProvinceDAO_FindProvinceIdWithName_Suffix(t *testing.T) {
+	dbs.NotifyReady()
+
+	var tx *dbs.Tx
+	for _, name := range []string{
+		"维埃纳",
+		"维埃纳省",
+		"维埃纳大区",
+		"维埃纳市",
+		"维埃纳小区", // expect 0
+	} {
+		provinceId, err := SharedRegionProvinceDAO.FindProvinceIdWithName(tx, 74, name)
+		if err != nil {
+			t.Fatal(err)
+		}
+		t.Log(name, "=>", provinceId)
+	}
+}
+
 func TestRegionProvinceDAO_FindSimilarProvinces(t *testing.T) {
 	dbs.NotifyReady()