diff --git a/mhd-bi/src/main/java/com/mhd/bi/domain/biPlatformRealData/service/BiPlatformRealDataService.java b/mhd-bi/src/main/java/com/mhd/bi/domain/biPlatformRealData/service/BiPlatformRealDataService.java
index 83acdfa23..1905737fe 100644
--- a/mhd-bi/src/main/java/com/mhd/bi/domain/biPlatformRealData/service/BiPlatformRealDataService.java
+++ b/mhd-bi/src/main/java/com/mhd/bi/domain/biPlatformRealData/service/BiPlatformRealDataService.java
@@ -153,6 +153,12 @@ public class BiPlatformRealDataService {
             }
             fp.put("taskTypeStatistics", m);
         }
+        // 月台告警统计：按业务要求恒为 0，纳入指纹以确保旧快照（可能含非0写死值）能被覆盖更新为 0
+        if (vo.getPlatformAlarmStatistics() != null) {
+            fp.put("todayAlarmTotal", vo.getPlatformAlarmStatistics().getTodayAlarmTotal());
+            fp.put("handled", vo.getPlatformAlarmStatistics().getHandled());
+            fp.put("unhandled", vo.getPlatformAlarmStatistics().getUnhandled());
+        }
         return objectMapper.writeValueAsString(fp);
     }
 
diff --git a/mhd-bi/src/main/java/com/mhd/bi/domain/biSnapshotSync/support/BiSnapshotWeeklyRandomDataBuilder.java b/mhd-bi/src/main/java/com/mhd/bi/domain/biSnapshotSync/support/BiSnapshotWeeklyRandomDataBuilder.java
index c251c73f1..60b0b4ebd 100644
--- a/mhd-bi/src/main/java/com/mhd/bi/domain/biSnapshotSync/support/BiSnapshotWeeklyRandomDataBuilder.java
+++ b/mhd-bi/src/main/java/com/mhd/bi/domain/biSnapshotSync/support/BiSnapshotWeeklyRandomDataBuilder.java
@@ -185,13 +185,8 @@ public final class BiSnapshotWeeklyRandomDataBuilder {
                     .build());
         }
 
+        // 月台告警：按业务要求，全部置 0（趋势/统计/分布均不生成写死数据）
         List<PlatformAlarmTrendItemVO> alarmTrend = new ArrayList<>();
-        for (int i = 0; i < Baseline.P_AL_D.length; i++) {
-            alarmTrend.add(PlatformAlarmTrendItemVO.builder()
-                    .date(Baseline.P_AL_D[i])
-                    .alarmCount(Math.max(0, jitterInt(Baseline.P_AL_C[i], r)))
-                    .build());
-        }
 
         List<TaskTypeCountItemVO> typeCounts = new ArrayList<>();
         for (int i = 0; i < Baseline.P_TT_TYPES.length; i++) {
@@ -201,19 +196,11 @@ public final class BiSnapshotWeeklyRandomDataBuilder {
                     .build());
         }
 
-        int todayAl = Math.max(0, jitterInt(Baseline.P_AL_TOT, r));
-        int handled = Math.max(0, jitterInt(Baseline.P_AL_H, r));
-        handled = Math.min(handled, todayAl);
-        int unhandled = Math.max(0, todayAl - handled);
+        int todayAl = 0;
+        int handled = 0;
+        int unhandled = 0;
 
-        // 月台告警分布：按业务要求，全部置 0
         List<PlatformAlarmDistItemVO> dist = new ArrayList<>();
-        for (int i = 0; i < Baseline.P_DIST_T.length; i++) {
-            dist.add(PlatformAlarmDistItemVO.builder()
-                    .type(Baseline.P_DIST_T[i])
-                    .count(Math.max(0, jitterInt(Baseline.P_DIST_C[i], r)))
-                    .build());
-        }
 
         return PlatformSurveillanceVO.builder()
                 .vehicles(vehicles)