diff --git a/chunjun-connectors/chunjun-connector-jdbc-base/src/main/java/com/dtstack/chunjun/connector/jdbc/source/JdbcInputFormat.java b/chunjun-connectors/chunjun-connector-jdbc-base/src/main/java/com/dtstack/chunjun/connector/jdbc/source/JdbcInputFormat.java
index 5cc76200da..a6c5842983 100644
--- a/chunjun-connectors/chunjun-connector-jdbc-base/src/main/java/com/dtstack/chunjun/connector/jdbc/source/JdbcInputFormat.java
+++ b/chunjun-connectors/chunjun-connector-jdbc-base/src/main/java/com/dtstack/chunjun/connector/jdbc/source/JdbcInputFormat.java
@@ -868,11 +868,12 @@ protected void executeQuery(String startLocation) throws SQLException {
                 state = startLocation;
             }
         } else {
-            statement = dbConn.createStatement(resultSetType, resultSetConcurrency);
-            statement.setFetchSize(jdbcConf.getFetchSize());
-            statement.setQueryTimeout(jdbcConf.getQueryTimeOut());
-            resultSet = statement.executeQuery(jdbcConf.getQuerySql());
-            hasNext = resultSet.next();
+//            statement = dbConn.createStatement(resultSetType, resultSetConcurrency);
+//            statement.setFetchSize(jdbcConf.getFetchSize());
+//            statement.setQueryTimeout(jdbcConf.getQueryTimeOut());
+//            resultSet = statement.executeQuery(jdbcConf.getQuerySql());
+//            hasNext = resultSet.next();
+            throw new UnsupportedOperationException("must be polling");
         }
     }
 
diff --git a/chunjun-core/src/main/java/com/dtstack/chunjun/element/ColumnRowData.java b/chunjun-core/src/main/java/com/dtstack/chunjun/element/ColumnRowData.java
index fbf243ae40..89ff10c5c2 100644
--- a/chunjun-core/src/main/java/com/dtstack/chunjun/element/ColumnRowData.java
+++ b/chunjun-core/src/main/java/com/dtstack/chunjun/element/ColumnRowData.java
@@ -240,8 +240,13 @@ public StringData getString(int pos) {
 
     @Override
     public DecimalData getDecimal(int pos, int precision, int scale) {
-        BigDecimal bigDecimal = this.columnList.get(pos).asBigDecimal();
-        return DecimalData.fromBigDecimal(bigDecimal, bigDecimal.precision(), bigDecimal.scale());
+
+        // baisui modify 2022/07/29
+        AbstractBaseColumn col = this.columnList.get(pos);
+        BigDecimal bigDecimal = (BigDecimal) col.getData();
+       //  =this.columnList.get(pos).asBigDecimal();
+       // return DecimalData.fromBigDecimal(bigDecimal, bigDecimal.precision(), bigDecimal.scale());
+        return DecimalData.fromBigDecimal(bigDecimal, precision, scale);
     }
 
     @Override
diff --git a/chunjun-core/src/main/java/com/dtstack/chunjun/element/column/TimeColumn.java b/chunjun-core/src/main/java/com/dtstack/chunjun/element/column/TimeColumn.java
index 2a18cc2ee9..ef000e8c6d 100644
--- a/chunjun-core/src/main/java/com/dtstack/chunjun/element/column/TimeColumn.java
+++ b/chunjun-core/src/main/java/com/dtstack/chunjun/element/column/TimeColumn.java
@@ -104,7 +104,13 @@ public String asTimestampStr() {
 
     @Override
     public Integer asInt() {
-        throw new CastException("java.sql.Time", "Integer", this.asString());
+        //  throw new CastException("java.sql.Time", "Integer", this.asString());
+
+        Time time = asTime();
+        if (time == null) {
+            return null;
+        }
+        return (int) time.getTime();
     }
 
     @Override