fix setting error (#192)

diff --git a/flink-doris-connector/src/main/java/org/apache/doris/flink/table/DorisDynamicOutputFormat.java b/flink-doris-connector/src/main/java/org/apache/doris/flink/table/DorisDynamicOutputFormat.java
index 3f51df6..065eb18 100644
--- a/flink-doris-connector/src/main/java/org/apache/doris/flink/table/DorisDynamicOutputFormat.java
+++ b/flink-doris-connector/src/main/java/org/apache/doris/flink/table/DorisDynamicOutputFormat.java
@@ -177,7 +177,7 @@
     }
 
     private boolean enableBatchDelete() {
-        return executionOptions.getEnableDelete() || UNIQUE_KEYS_TYPE.equals(keysType);
+        return executionOptions.getEnableDelete() && UNIQUE_KEYS_TYPE.equals(keysType);
     }
 
     @Override