优化发布群配置与二维码池界面

backend/internal/modules/chat/handler_quick_reply.go

@@ -97,3 +97,23 @@ func (h *Handler) AdminUpdateAutoWelcome(c *gin.Context) {
 	}
 	response.OK(c, gin.H{"updated": true})
 }
+
+func (h *Handler) AdminGetListingGroupWelcome(c *gin.Context) {
+	message := h.service.GetListingGroupWelcomeMessage(c.Request.Context())
+	response.OK(c, gin.H{"message": message})
+}
+
+func (h *Handler) AdminUpdateListingGroupWelcome(c *gin.Context) {
+	var req struct {
+		Message string `json:"message" binding:"required"`
+	}
+	if err := c.ShouldBindJSON(&req); err != nil {
+		response.BadRequest(c, "欢迎语内容不能为空")
+		return
+	}
+	if err := h.service.UpdateListingGroupWelcomeMessage(c.Request.Context(), req.Message); err != nil {
+		writeChatError(c, err)
+		return
+	}
+	response.OK(c, gin.H{"updated": true})
+}

backend/internal/modules/chat/listing_group.go

@@ -189,14 +189,12 @@ func listingConversationTitle(listing model.RentalListing) string {
 }
 
 func getListingGroupWelcomeMessage(tx *gorm.DB) string {
-	defaultMsg := "欢迎加入账号群！请号主扫描下方二维码加入企业微信群，方便客服与您及时联系。"
-
 	var cfg model.SystemConfig
-	if err := tx.Where("`key` = ?", "chat.listing_group_welcome").First(&cfg).Error; err == nil && cfg.Value != "" {
+	if err := tx.Where("`key` = ?", listingGroupWelcomeConfigKey).First(&cfg).Error; err == nil && cfg.Value != "" {
 		return cfg.Value
 	}
 
-	return defaultMsg
+	return defaultListingGroupWelcome
 }
 
 func sendSystemMessage(tx *gorm.DB, conversationID uint64, content string) error {
@@ -218,7 +216,6 @@ func sendSystemMessage(tx *gorm.DB, conversationID uint64, content string) error
 }
 
 func sendQrCodeImage(tx *gorm.DB, conversationID uint64, imageURL string) error {
-	attachmentURLs := `["` + imageURL + `"]`
 	content := "👇 请扫码加入企业微信群"
 
 	message := model.ChatMessage{
@@ -227,7 +224,7 @@ func sendQrCodeImage(tx *gorm.DB, conversationID uint64, imageURL string) error
 		SenderRole:     "system",
 		ContentType:    "image",
 		Content:        content,
-		AttachmentURLS: []byte(attachmentURLs),
+		AttachmentURLS: encodeStringList([]string{imageURL}),
 	}
 
 	if err := tx.Create(&message).Error; err != nil {

backend/internal/modules/chat/quick_reply.go

@@ -5,6 +5,13 @@ import (
 	"hfb_sys/backend/internal/model"
 )
 
+const (
+	autoWelcomeConfigKey         = "chat.auto_welcome_message"
+	defaultAutoWelcomeMessage    = "欢迎加入订单群聊！如有任何问题，请随时沟通。"
+	listingGroupWelcomeConfigKey = "chat.listing_group_welcome"
+	defaultListingGroupWelcome   = "欢迎加入账号群！请号主扫描下方二维码加入企业微信群，方便客服与您及时联系。"
+)
+
 func (r *Repository) UpdateRemark(ctx context.Context, principal Principal, conversationID uint64, remark string) error {
 	return r.db.WithContext(ctx).Model(&model.ChatParticipant{}).
 		Where("conversation_id = ? AND participant_type = ? AND participant_id = ?", conversationID, principal.Type, principal.ID).
@@ -77,13 +84,27 @@ func (r *Repository) DeleteQuickReply(ctx context.Context, adminID uint64, reply
 }
 func (r *Repository) GetAutoWelcomeMessage(ctx context.Context) string {
 	var cfg model.SystemConfig
-	if err := r.db.WithContext(ctx).Where("`key` = ?", "chat.auto_welcome_message").First(&cfg).Error; err != nil {
-		return "欢迎加入订单群聊！如有任何问题，请随时沟通。"
+	if err := r.db.WithContext(ctx).Where("`key` = ?", autoWelcomeConfigKey).First(&cfg).Error; err != nil {
+		return defaultAutoWelcomeMessage
 	}
 	return cfg.Value
 }
 func (r *Repository) UpdateAutoWelcomeMessage(ctx context.Context, message string) error {
 	return r.db.WithContext(ctx).Model(&model.SystemConfig{}).
-		Where("`key` = ?", "chat.auto_welcome_message").
+		Where("`key` = ?", autoWelcomeConfigKey).
+		Update("value", message).Error
+}
+
+func (r *Repository) GetListingGroupWelcomeMessage(ctx context.Context) string {
+	var cfg model.SystemConfig
+	if err := r.db.WithContext(ctx).Where("`key` = ?", listingGroupWelcomeConfigKey).First(&cfg).Error; err != nil {
+		return defaultListingGroupWelcome
+	}
+	return cfg.Value
+}
+
+func (r *Repository) UpdateListingGroupWelcomeMessage(ctx context.Context, message string) error {
+	return r.db.WithContext(ctx).Model(&model.SystemConfig{}).
+		Where("`key` = ?", listingGroupWelcomeConfigKey).
 		Update("value", message).Error
 }

backend/internal/modules/chat/service.go

@@ -208,3 +208,17 @@ func (s *Service) UpdateAutoWelcomeMessage(ctx context.Context, message string)
 	}
 	return s.repo.UpdateAutoWelcomeMessage(ctx, message)
 }
+
+func (s *Service) GetListingGroupWelcomeMessage(ctx context.Context) string {
+	if s.repo == nil {
+		return ""
+	}
+	return s.repo.GetListingGroupWelcomeMessage(ctx)
+}
+
+func (s *Service) UpdateListingGroupWelcomeMessage(ctx context.Context, message string) error {
+	if s.repo == nil {
+		return ErrDependencyUnavailable
+	}
+	return s.repo.UpdateListingGroupWelcomeMessage(ctx, message)
+}

backend/internal/modules/systemconfig/repository.go

@@ -37,6 +37,7 @@ var defaultConfigs = []defaultConfig{
 	{Key: postRentalNoticeConfigKey, Value: defaultPostRentalNoticeConfigValue(), Description: "租后须知配置 JSON"},
 	{Key: "chat.default_support_admin_id", Value: "2", Description: "默认客服 ID（必须是启用状态的客服角色）"},
 	{Key: "chat.auto_welcome_message", Value: "欢迎加入订单群聊！如有任何问题，请随时沟通。", Description: "建群后自动发送的欢迎话术"},
+	{Key: "chat.listing_group_welcome", Value: "欢迎加入账号群！请号主扫描下方二维码加入企业微信群，方便客服与您及时联系。", Description: "发布群创建后自动发送的欢迎语"},
 	{Key: homeAnnouncementsConfigKey, Value: defaultHomeAnnouncementsConfigValue(), Description: "移动端首页公告 JSON 数组"},
 	{Key: homeBannersConfigKey, Value: defaultHomeBannersConfigValue(), Description: "移动端首页轮播图 JSON 数组"},
 	{Key: publishOptionsConfigKey, Value: defaultPublishOptionsConfigValue(), Description: "发布页选项配置 JSON"},
@@ -46,6 +47,7 @@ var defaultConfigs = []defaultConfig{
 var adminVisibleConfigKeys = []string{
 	"chat.auto_welcome_message",
 	"chat.default_support_admin_id",
+	"chat.listing_group_welcome",
 	"handoff.owner_return_confirm_timeout_minutes",
 	"handoff.owner_submit_timeout_minutes",
 	"handoff.renter_confirm_timeout_minutes",
@@ -155,6 +157,11 @@ func (r *Repository) ensureDefaults(ctx context.Context) error {
 					return err
 				}
 			}
+			if item.Key == "chat.listing_group_welcome" {
+				if err := updateLegacyListingGroupWelcome(tx, item); err != nil {
+					return err
+				}
+			}
 			if item.Key == publishOptionsConfigKey {
 				if err := updateLegacyPublishOptions(tx, item); err != nil {
 					return err
@@ -165,6 +172,26 @@ func (r *Repository) ensureDefaults(ctx context.Context) error {
 	})
 }
 
+func updateLegacyListingGroupWelcome(tx *gorm.DB, item defaultConfig) error {
+	var row model.SystemConfig
+	if err := tx.Where("`key` = ?", item.Key).First(&row).Error; err != nil {
+		return err
+	}
+	changed := false
+	if isMojibakeText(row.Value) {
+		row.Value = item.Value
+		changed = true
+	}
+	if row.Description != item.Description {
+		row.Description = item.Description
+		changed = true
+	}
+	if !changed {
+		return nil
+	}
+	return tx.Save(&row).Error
+}
+
 func updateDefaultSupportConfig(tx *gorm.DB, item defaultConfig) error {
 	var row model.SystemConfig
 	if err := tx.Where("`key` = ?", item.Key).First(&row).Error; err != nil {
@@ -260,6 +287,16 @@ func isLegacyPublishOptionsValue(value string) bool {
 	return false
 }
 
+func isMojibakeText(value string) bool {
+	mojibakeMarkers := []string{"å", "æ", "ç", "è", "é", "ä", "ï¼", "ã€", "â"}
+	for _, marker := range mojibakeMarkers {
+		if strings.Contains(value, marker) {
+			return true
+		}
+	}
+	return false
+}
+
 func appendAuditLog(tx *gorm.DB, actorID uint64, action string, bizID uint64, meta AuditMeta, detail map[string]any) error {
 	return auditlog.Append(tx, auditlog.Entry{
 		ActorType: "admin",

backend/internal/router/router.go

@@ -550,6 +550,8 @@ func New(cfg config.Config, deps Dependencies, logger *zap.Logger) *gin.Engine {
 			adminRoutes.DELETE("/chats/quick-replies/:id", requirePerm("chat:send"), chatHandler.AdminDeleteQuickReply)
 			adminRoutes.GET("/chats/auto-welcome", requirePerm("system_config:view"), chatHandler.AdminGetAutoWelcome)
 			adminRoutes.PUT("/chats/auto-welcome", requirePerm("system_config:update"), chatHandler.AdminUpdateAutoWelcome)
+			adminRoutes.GET("/chats/listing-group-welcome", requirePerm("system_config:view"), chatHandler.AdminGetListingGroupWelcome)
+			adminRoutes.PUT("/chats/listing-group-welcome", requirePerm("system_config:update"), chatHandler.AdminUpdateListingGroupWelcome)
 
 			// 二维码池管理
 			adminRoutes.POST("/chats/qrcodes", requirePerm("chat:manage"), chatHandler.CreateQrCodeHandler)

backend/migrations/000010_listing_group_welcome_config.sql

@@ -0,0 +1,20 @@
+-- +goose Up
+-- +goose StatementBegin
+
+INSERT INTO system_configs (`key`, `value`, description) VALUES
+  ('chat.listing_group_welcome', '欢迎加入账号群！请号主扫描下方二维码加入企业微信群，方便客服与您及时联系。', '发布群创建后自动发送的欢迎语')
+ON DUPLICATE KEY UPDATE
+  `value` = CASE
+    WHEN `value` LIKE '%å%' OR `value` LIKE '%æ%' OR `value` LIKE '%ç%' OR `value` LIKE '%ä%' OR `value` LIKE '%ï¼%' THEN VALUES(`value`)
+    ELSE `value`
+  END,
+  description = VALUES(description);
+
+-- +goose StatementEnd
+
+-- +goose Down
+-- +goose StatementBegin
+
+DELETE FROM system_configs WHERE `key` = 'chat.listing_group_welcome';
+
+-- +goose StatementEnd