diff --git a/liteflow-rule-plugin/liteflow-rule-sql/src/main/java/com/yomahub/liteflow/parser/sql/util/ChainPollingTask.java b/liteflow-rule-plugin/liteflow-rule-sql/src/main/java/com/yomahub/liteflow/parser/sql/util/ChainPollingTask.java
index 7e7172715..ac6b9be84 100644
--- a/liteflow-rule-plugin/liteflow-rule-sql/src/main/java/com/yomahub/liteflow/parser/sql/util/ChainPollingTask.java
+++ b/liteflow-rule-plugin/liteflow-rule-sql/src/main/java/com/yomahub/liteflow/parser/sql/util/ChainPollingTask.java
@@ -28,8 +28,6 @@ public class ChainPollingTask implements Runnable {
 
     private static final String SQL_PATTERN = "SELECT {},{} FROM {} WHERE {}=?";
 
-    private static final String NEW_CHAIN_PATTERN = "SELECT {} FROM {} WHERE {}=? AND {}=?";
-
     private Connection conn;
 
     private SQLParserVO sqlParserVO;
diff --git a/liteflow-rule-plugin/liteflow-rule-sql/src/main/java/com/yomahub/liteflow/parser/sql/util/ScriptPollingTask.java b/liteflow-rule-plugin/liteflow-rule-sql/src/main/java/com/yomahub/liteflow/parser/sql/util/ScriptPollingTask.java
index 7e920e14c..5a68e6f7f 100644
--- a/liteflow-rule-plugin/liteflow-rule-sql/src/main/java/com/yomahub/liteflow/parser/sql/util/ScriptPollingTask.java
+++ b/liteflow-rule-plugin/liteflow-rule-sql/src/main/java/com/yomahub/liteflow/parser/sql/util/ScriptPollingTask.java
@@ -25,8 +25,6 @@ public class ScriptPollingTask implements Runnable {
 
     private static final String SQL_PATTERN = "SELECT {},{} FROM {} WHERE {}=?";
 
-    private static final String NEW_SCRIPT_PATTERN = "SELECT {} FROM {} WHERE {}=? AND {}=?";
-
     private static final String CONCAT_PATTERN = "CONCAT_WS(':',{},{},{}) as script_concat";
 
     private static final String CONCAT_WITH_LANGUAGE_PATTERN = "CONCAT_WS(':',{},{},{},{}) as script_concat";