diff --git a/internal/domains/api/services/processors/ivyz/ivyz5733_processor.go b/internal/domains/api/services/processors/ivyz/ivyz5733_processor.go
index 95b2566..581f61f 100644
--- a/internal/domains/api/services/processors/ivyz/ivyz5733_processor.go
+++ b/internal/domains/api/services/processors/ivyz/ivyz5733_processor.go
@@ -34,7 +34,7 @@ func ProcessIVYZ5733Request(ctx context.Context, params []byte, deps *processors
 	reqData := map[string]interface{}{
 		"data": map[string]interface{}{
 			"name":    encryptedName,
-			"idCard":  encryptedIDCard,
+			"idcard":  encryptedIDCard,
 		},
 	}
 
diff --git a/internal/domains/api/services/processors/ivyz/ivyz9363_processor.go b/internal/domains/api/services/processors/ivyz/ivyz9363_processor.go
index 1a67198..4e1126c 100644
--- a/internal/domains/api/services/processors/ivyz/ivyz9363_processor.go
+++ b/internal/domains/api/services/processors/ivyz/ivyz9363_processor.go
@@ -43,10 +43,10 @@ func ProcessIVYZ9363Request(ctx context.Context, params []byte, deps *processors
 
 	reqData := map[string]interface{}{
 		"data": map[string]interface{}{
-			"nameMan":     encryptedManName,
-			"certNumMan":  encryptedManIDCard,
-			"nameWoman":   encryptedWomanName,
-			"certNumWoman": encryptedWomanIDCard,
+			"name_man":     encryptedManName,
+			"idcard_man":  encryptedManIDCard,
+			"name_woman":   encryptedWomanName,
+			"idcard_woman": encryptedWomanIDCard,
 		},
 	}
 
diff --git a/internal/shared/validator/custom_validators.go b/internal/shared/validator/custom_validators.go
index 54b8489..a91bdd7 100644
--- a/internal/shared/validator/custom_validators.go
+++ b/internal/shared/validator/custom_validators.go
@@ -128,13 +128,60 @@ func validateSocialCreditCode(fl validator.FieldLevel) bool {
 	return matched
 }
 
-// validateIDCard 身份证号验证
+// 自定义身份证校验（增强版）
+// 校验规则：
+// 1. 格式：18位，前6位地区码（首位不为0），7-14位出生日期，15-17位顺序码，18位校验码
+// 2. 出生日期必须合法（验证年月日有效性，包括闰年）
+// 3. 校验码按照GB 11643-1999标准计算验证
 func validateIDCard(fl validator.FieldLevel) bool {
 	idCard := fl.Field().String()
-	matched, _ := regexp.MatchString(`^[1-9]\d{5}(18|19|20)\d{2}((0[1-9])|(1[0-2]))(([0-2][1-9])|10|20|30|31)\d{3}[\dXx]$`, idCard)
-	return matched
+
+	// 1. 基本格式验证：地区码(6位) + 年(4位) + 月(2位) + 日(2位) + 顺序码(3位) + 校验码(1位)
+	validIDPattern := `^[1-9]\d{5}(18|19|20)\d{2}((0[1-9])|(1[0-2]))(([0-2][1-9])|10|20|30|31)\d{3}[\dXx]$`
+	matched, _ := regexp.MatchString(validIDPattern, idCard)
+	if !matched {
+		return false
+	}
+
+	// 2. 验证出生日期的合法性
+	year, _ := strconv.Atoi(idCard[6:10])
+	month, _ := strconv.Atoi(idCard[10:12])
+	day, _ := strconv.Atoi(idCard[12:14])
+
+	// 构造日期并验证是否合法（time包会自动处理闰年等情况）
+	birthDate := time.Date(year, time.Month(month), day, 0, 0, 0, 0, time.UTC)
+	if birthDate.Year() != year || int(birthDate.Month()) != month || birthDate.Day() != day {
+		return false // 日期不合法，如2月30日、4月31日等
+	}
+
+	// 3. 验证校验码（按照GB 11643-1999标准）
+	return validateIDCardChecksum(idCard)
 }
 
+// 验证身份证校验码（GB 11643-1999标准）
+func validateIDCardChecksum(idCard string) bool {
+	// 加权因子
+	weights := []int{7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2}
+	// 校验码对应值
+	checksumChars := []byte{'1', '0', 'X', '9', '8', '7', '6', '5', '4', '3', '2'}
+
+	sum := 0
+	for i := 0; i < 17; i++ {
+		num := int(idCard[i] - '0')
+		sum += num * weights[i]
+	}
+
+	// 计算校验码
+	checksum := checksumChars[sum%11]
+	lastChar := idCard[17]
+
+	// 支持小写x
+	if lastChar == 'x' {
+		lastChar = 'X'
+	}
+
+	return byte(lastChar) == checksum
+}
 // validatePrice 价格验证
 func validatePrice(fl validator.FieldLevel) bool {
 	price := fl.Field().Float()