diff --git a/zc-business/src/main/java/com/zc/business/domain/DcTrafficMetricsData.java b/zc-business/src/main/java/com/zc/business/domain/DcTrafficMetricsData.java
index 29e180af..3fee49b5 100644
--- a/zc-business/src/main/java/com/zc/business/domain/DcTrafficMetricsData.java
+++ b/zc-business/src/main/java/com/zc/business/domain/DcTrafficMetricsData.java
@@ -63,7 +63,7 @@ public class DcTrafficMetricsData {
     private Integer congestedSectionQuantity;
 
     /**
-     * 拥堵里程
+     * 拥堵里程（单位：m）
      */
     private Integer congestedDistance;
 }
diff --git a/zc-business/src/main/java/com/zc/business/enums/ChannelCongestionLevelEnum.java b/zc-business/src/main/java/com/zc/business/enums/ChannelCongestionLevelEnum.java
index f151e262..24922754 100644
--- a/zc-business/src/main/java/com/zc/business/enums/ChannelCongestionLevelEnum.java
+++ b/zc-business/src/main/java/com/zc/business/enums/ChannelCongestionLevelEnum.java
@@ -22,17 +22,17 @@ public enum ChannelCongestionLevelEnum {
     /**
      * 表示通道轻度拥堵，速度阈值为40 km/h
      */
-    LIGHT_CONGESTION(40, 1, "轻度拥堵"),
+    LIGHT_CONGESTION(40, 1000, "轻度拥堵"),
 
     /**
      * 表示通道中度拥堵，速度阈值为20 km/h
      */
-    MEDIUM_CONGESTION(20, 2, "中度拥堵"),
+    MEDIUM_CONGESTION(20, 2000, "中度拥堵"),
 
     /**
      * 使用负数作为默认值，表示无限小，始终小于其他速度阈值，表示通道严重拥堵
      */
-    SEVERE_CONGESTION(-1, 4, "严重拥堵");
+    SEVERE_CONGESTION(-1, 4000, "严重拥堵");
 
     /**
      * 速度阈值，用于判断通道拥挤程度
@@ -55,9 +55,9 @@ public enum ChannelCongestionLevelEnum {
      * @param speedThreshold 速度阈值
      * @param description 等级描述
      */
-    ChannelCongestionLevelEnum(int speedThreshold, int defaultCongestionMiles, String description) {
+    ChannelCongestionLevelEnum(int speedThreshold, int defaultCongestionDistance, String description) {
         this.speedThreshold = speedThreshold;
-        this.defaultCongestionDistance = defaultCongestionMiles;
+        this.defaultCongestionDistance = defaultCongestionDistance;
         this.description = description;
     }
 
diff --git a/zc-business/src/main/java/com/zc/business/statistics/handler/TrafficAnalysis.java b/zc-business/src/main/java/com/zc/business/statistics/handler/TrafficAnalysis.java
index 657927ac..1be1f17c 100644
--- a/zc-business/src/main/java/com/zc/business/statistics/handler/TrafficAnalysis.java
+++ b/zc-business/src/main/java/com/zc/business/statistics/handler/TrafficAnalysis.java
@@ -444,6 +444,7 @@ public class TrafficAnalysis {
                         totalCongestionDistance.addAndGet(defaultCongestionDistance);
                     } else {
                         totalCongestionDistance.addAndGet(congestionDistance);
+                        // 如果当前路段被计算过，则累加拥堵路段数量
                         congestedSectionQuantity.addAndGet(1);
                     }
                 }