diff --git a/platform-operate-api/src/main/java/com/lyms/platform/operate/web/service/impl/BloodPressureServiceImpl.java b/platform-operate-api/src/main/java/com/lyms/platform/operate/web/service/impl/BloodPressureServiceImpl.java
index 72c441c..93e56c1 100644
--- a/platform-operate-api/src/main/java/com/lyms/platform/operate/web/service/impl/BloodPressureServiceImpl.java
+++ b/platform-operate-api/src/main/java/com/lyms/platform/operate/web/service/impl/BloodPressureServiceImpl.java
@@ -126,7 +126,7 @@ public class BloodPressureServiceImpl extends BaseServiceImpl implements IBloodP
                             ++count;
                         }
 
-                        if (++index > keys.size() - 1) {
+                        if (keys.size() - 1 >=++index  ) {
                             //计算血压波动异常次数
                             String mapKey = keys.get(index);