diff --git a/src/main/java/com/actiontech/dble/backend/datasource/PhysicalDBPool.java b/src/main/java/com/actiontech/dble/backend/datasource/PhysicalDBPool.java
index ed66709938..8bbd2b5944 100644
--- a/src/main/java/com/actiontech/dble/backend/datasource/PhysicalDBPool.java
+++ b/src/main/java/com/actiontech/dble/backend/datasource/PhysicalDBPool.java
@@ -214,7 +214,7 @@ public boolean isSlave(PhysicalDatasource ds) {
                 break;
             }
         }
-        islave = (currentIndex == activeIndex);
+        islave = (currentIndex != activeIndex);
 
         return islave;
     }