diff --git a/client-adapter/common/src/main/java/com/alibaba/otter/canal/client/adapter/support/Util.java b/client-adapter/common/src/main/java/com/alibaba/otter/canal/client/adapter/support/Util.java
index e94033dd..34549be4 100644
--- a/client-adapter/common/src/main/java/com/alibaba/otter/canal/client/adapter/support/Util.java
+++ b/client-adapter/common/src/main/java/com/alibaba/otter/canal/client/adapter/support/Util.java
@@ -44,6 +44,8 @@ public class Util {
             if ("postgresql".equals(druidDataSource.getDbType())) {
                 conn.setAutoCommit(false);
                 stmt.setFetchSize(1000);
+            } else if ("sqlserver".equals(druidDataSource.getDbType())) {
+                stmt.setFetchSize(100);
             } else {
                 stmt.setFetchSize(Integer.MIN_VALUE);
             }