diff --git a/internal/domains/api/dto/api_request_dto.go b/internal/domains/api/dto/api_request_dto.go
index c655687..0b12994 100644
--- a/internal/domains/api/dto/api_request_dto.go
+++ b/internal/domains/api/dto/api_request_dto.go
@@ -520,8 +520,8 @@ type QYGL2YSBReq struct {
 
 type QYGLDG77Req struct {
 	EntName     string `json:"ent_name" validate:"required,min=1,validEnterpriseName"`
-	AccountNo   string `json:"account_no" validate:"required,min=1,"`
-	AccountBank string `json:"account_bank" validate:"required,min=1,"`
+	AccountNo   string `json:"account_no" validate:"required,min=1"`
+	AccountBank string `json:"account_bank" validate:"required,min=1"`
 }
 
 type IVYZ7C9DReq struct {
diff --git a/internal/domains/api/services/form_config_service.go b/internal/domains/api/services/form_config_service.go
index f115240..767deea 100644
--- a/internal/domains/api/services/form_config_service.go
+++ b/internal/domains/api/services/form_config_service.go
@@ -536,7 +536,7 @@ func (s *FormConfigServiceImpl) generateFieldLabel(jsonTag string) string {
 		"marital_type":               "婚姻状况类型",
 		"auth_authorize_file_base64": "PDF授权文件Base64编码（≤500KB，仅PDF）",
 		"account_no":                 "企业账户",
-		"account_bank":               "开户行",
+		"account_bank":               "开户行：如中国银行股份有限公司，查询失败请查看支持银行列表或使用主银行公司。",
 	}
 
 	if label, exists := labelMap[jsonTag]; exists {
@@ -681,7 +681,7 @@ func (s *FormConfigServiceImpl) generatePlaceholder(jsonTag string, fieldType st
 		"marital_type":               "请选择婚姻状况类型",
 		"auth_authorize_file_base64": "请输入PDF文件的Base64编码字符串",
 		"account_no":                 "请输入企业账户",
-		"account_bank":               "请输入开户行",
+		"account_bank":               "请输入开户行：如中国银行股份有限公司，查询失败请查看支持银行列表或使用主银行公司。",
 	}
 
 	if placeholder, exists := placeholderMap[jsonTag]; exists {
@@ -760,7 +760,7 @@ func (s *FormConfigServiceImpl) generateDescription(jsonTag string, validation s
 		"marital_type":               "婚姻状况类型：10-未登记（无登记记录），20-已婚，30-丧偶，40-离异",
 		"auth_authorize_file_base64": "请输入PDF文件的Base64编码字符串",
 		"account_no":                 "请输入企业账户",
-		"account_bank":               "请输入开户行",
+		"account_bank":               "请输入开户行：如中国银行股份有限公司，查询失败请查看支持银行列表或使用主银行公司。",
 	}
 
 	if desc, exists := descMap[jsonTag]; exists {
diff --git a/internal/domains/api/services/processors/qygl/qygldg77_processor.go b/internal/domains/api/services/processors/qygl/qygldg77_processor.go
index 7395bad..59ed33c 100644
--- a/internal/domains/api/services/processors/qygl/qygldg77_processor.go
+++ b/internal/domains/api/services/processors/qygl/qygldg77_processor.go
@@ -25,6 +25,7 @@ func ProcessQYGLDG77Request(ctx context.Context, params []byte, deps *processors
 		"accountNo":   paramsDto.AccountNo,
 		"accountBank": paramsDto.AccountBank,
 	}
+
 	apiPath := "/v2/company/dkrz/check" // 接口路径，根据数脉文档填写（如 v4/xxx）
 	respBytes, err := deps.ShumaiService.CallAPIForm(ctx, apiPath, reqFormData)
 	if err != nil {