feat(widget): 优化访客在线轨迹、GeoIP与多站点渠道

server/internal/handler/statistics.go

@@ -392,18 +392,27 @@ func (h *StatisticsHandler) ChannelDistribution(c *gin.Context) {
 		c.JSON(http.StatusInternalServerError, gin.H{"code": 500, "message": "查询渠道分布失败"})
 		return
 	}
-	channelTypes := make(map[uint]string)
+	channelByID := make(map[uint]model.Channel)
 	for _, channel := range channels {
-		channelTypes[channel.ID] = channel.Type
+		channelByID[channel.ID] = channel
 	}
 	labels := map[string]string{"web": "网页", "wechat": "微信", "app": "APP", "phone": "电话工单", "email": "邮件"}
 	counts := make(map[string]int)
 	for _, session := range sessions {
-		channelType := channelTypes[session.ChannelID]
-		if channelType == "" {
-			channelType = "unknown"
+		label := "未知渠道"
+		if channel, ok := channelByID[session.ChannelID]; ok {
+			label = strings.TrimSpace(channel.Name)
+			if label == "" {
+				label = labels[channel.Type]
+			}
+			if label == "" {
+				label = channel.Type
+			}
 		}
-		counts[channelType]++
+		if siteHost := strings.TrimSpace(session.SiteHost); siteHost != "" {
+			label += " · " + siteHost
+		}
+		counts[label]++
 	}
 	keys := make([]string, 0, len(counts))
 	for key := range counts {
@@ -412,11 +421,7 @@ func (h *StatisticsHandler) ChannelDistribution(c *gin.Context) {
 	sort.Strings(keys)
 	data := make([]gin.H, 0, len(keys))
 	for _, key := range keys {
-		label := labels[key]
-		if label == "" {
-			label = key
-		}
-		data = append(data, gin.H{"type": label, "value": counts[key]})
+		data = append(data, gin.H{"type": key, "value": counts[key]})
 	}
 	middleware.JSON(c, data)
 }