diff --git a/ofdgo_font_fs.go b/ofdgo_font_fs.go
index b42cb6a..58d1603 100644
--- a/ofdgo_font_fs.go
+++ b/ofdgo_font_fs.go
@@ -202,13 +202,6 @@ func cleanFontName(name string) string {
 	return strings.ToLower(name)
 }
 
-// matchFontPatternRank 获取字体文件匹配等级
-// 入参: pattern 匹配模式, name 字体文件名
-// 返回: int 匹配等级
-func matchFontPatternRank(pattern, name string) int {
-	return newFontPatternMatcher(pattern).rank(name)
-}
-
 type fontFileCandidate struct {
 	name       string
 	base       string
@@ -426,13 +419,6 @@ func fontFileStyleRank(suffix string, bold, italic bool) int {
 	return rank
 }
 
-// fontFileStyle 获取字体文件样式
-// 入参: pattern 匹配模式, name 字体文件名
-// 返回: bool 是否粗体, bool 是否斜体
-func fontFileStyle(pattern, name string) (bool, bool) {
-	return fontFileStyleFromSuffix(fontFileStyleSuffix(pattern, name))
-}
-
 // fontFileStyleFromSuffix 获取样式后缀对应的字体样式
 // 入参: suffix 样式后缀
 // 返回: bool 是否粗体, bool 是否斜体
@@ -480,27 +466,6 @@ func fontFileKnownStyleSuffix(suffix string) bool {
 	}
 }
 
-// fontFileStyleSuffix 获取字体文件样式后缀
-// 入参: pattern 匹配模式, name 字体文件名
-// 返回: string 样式后缀
-func fontFileStyleSuffix(pattern, name string) string {
-	key := fontNormalizeName(name)
-	stem := fontPatternStem(pattern)
-	if stem == "" || key == "" {
-		return ""
-	}
-	if strings.HasPrefix(key, stem) {
-		return strings.TrimPrefix(key, stem)
-	}
-	for _, alias := range fontExactCandidateNames(stem) {
-		alias = fontNormalizeName(alias)
-		if alias != "" && strings.HasPrefix(key, alias) {
-			return strings.TrimPrefix(key, alias)
-		}
-	}
-	return ""
-}
-
 // fontMemFile 内存字体文件
 type fontMemFile struct {
 	*bytes.Reader
diff --git a/ofdgo_sign_verify.go b/ofdgo_sign_verify.go
index 78dd115..b2bdb55 100644
--- a/ofdgo_sign_verify.go
+++ b/ofdgo_sign_verify.go
@@ -37,6 +37,7 @@ import (
 )
 
 // SignatureVerifyReport 签名验证报告
+// Valid表示签名完整性及调用方指定的证书策略均通过
 type SignatureVerifyReport struct {
 	ID                 string
 	BaseLoc            string
@@ -67,6 +68,18 @@ type SignatureVerifyReport struct {
 	Error              string
 }
 
+// IntegrityValid 判断签名完整性是否有效
+// 返回: bool 是否有效
+func (report SignatureVerifyReport) IntegrityValid() bool {
+	return report.Error == "" && report.DigestOK && report.DataHashOK && report.SignedValueOK && report.SealOK && report.SealMatchOK && report.CertOK
+}
+
+// TrustedValid 判断签名是否可信有效
+// 返回: bool 签名完整性、证书信任及证书有效期是否均验证通过
+func (report SignatureVerifyReport) TrustedValid() bool {
+	return report.IntegrityValid() && report.CertTrustChecked && report.CertTrustOK && report.CertTimeChecked && report.CertTimeOK
+}
+
 // SignatureCertInfo 签名证书信息
 type SignatureCertInfo struct {
 	Subject      string
@@ -267,7 +280,7 @@ func (r *Reader) verifySignature(sigListPath string, sigRef Signature, options *
 		report.SignCert = result.CertInfo
 		report.Signer = result.CertInfo.CommonName
 		report.applySignatureCertificatePolicy(options, result.SignerCerts, result.Certs)
-		report.Valid = report.DigestOK && report.DataHashOK && report.SignedValueOK && report.CertOK && report.certificatePolicyOK()
+		report.Valid = report.IntegrityValid() && report.certificatePolicyOK()
 		return report
 	case "", SignTypeSeal:
 	default:
@@ -299,7 +312,7 @@ func (r *Reader) verifySignature(sigListPath string, sigRef Signature, options *
 		}
 		report.SealMatchOK = bytes.Equal(sealData, sesResult.SealRaw)
 	}
-	report.Valid = report.DigestOK && report.DataHashOK && report.SignedValueOK && report.SealOK && report.SealMatchOK && report.CertOK && report.certificatePolicyOK()
+	report.Valid = report.IntegrityValid() && report.certificatePolicyOK()
 	return report
 }