diff --git a/src/main/java/com/gunshi/project/xyt/service/MessageCenterService.java b/src/main/java/com/gunshi/project/xyt/service/MessageCenterService.java
index 2388fef..9206413 100644
--- a/src/main/java/com/gunshi/project/xyt/service/MessageCenterService.java
+++ b/src/main/java/com/gunshi/project/xyt/service/MessageCenterService.java
@@ -83,27 +83,27 @@ public class MessageCenterService extends ServiceImpl<MessageCenterMapper, Messa
             String content = "系统检测到小玉潭水库水位";
             //校核水位
             BigDecimal calFloodLev = attResBase.getCalFloodLev();
-            if(calFloodLev.compareTo(rz) > 0){
+            if(rz.compareTo(calFloodLev) > 0){
                 center.setType(1);
-                content = content + "超校核"+ calFloodLev.subtract(rz) +"m";
+                content = content + "超校核"+ rz.subtract(calFloodLev) +"m";
                 center.setContent(content);
                 addRzMessage(center,1);
                 return;
             }
             //设计水位
             BigDecimal desFloodLev = attResBase.getDesFloodLev();
-            if(desFloodLev.compareTo(rz) > 0){
+            if(rz.compareTo(desFloodLev) > 0){
                 center.setType(2);
-                content = content + "超设计"+ desFloodLev.subtract(rz) +"m";
+                content = content + "超设计"+ rz.subtract(desFloodLev) +"m";
                 center.setContent(content);
                 addRzMessage(center,2);
                 return;
             }
             //汛限水位
             BigDecimal flLowLimLev = attResBase.getFlLowLimLev();
-            if(flLowLimLev.compareTo(rz) > 0){
+            if(rz.compareTo(flLowLimLev) > 0){
                 center.setType(3);
-                content = content + "超汛限"+ flLowLimLev.subtract(rz) +"m";
+                content = content + "超汛限"+ rz.subtract(flLowLimLev) +"m";
                 center.setContent(content);
                 addRzMessage(center,3);
             }