diff --git a/fe/java-udf/src/main/java/org/apache/doris/udf/BaseExecutor.java b/fe/java-udf/src/main/java/org/apache/doris/udf/BaseExecutor.java
index 55ff08f700..9e481b521a 100644
--- a/fe/java-udf/src/main/java/org/apache/doris/udf/BaseExecutor.java
+++ b/fe/java-udf/src/main/java/org/apache/doris/udf/BaseExecutor.java
@@ -21,7 +21,6 @@ import org.apache.doris.catalog.Type;
 import org.apache.doris.thrift.TJavaUdfExecutorCtorParams;
 import org.apache.doris.udf.UdfUtils.JavaUdfDataType;
 
-import com.google.common.base.Preconditions;
 import org.apache.log4j.Logger;
 import org.apache.thrift.TDeserializer;
 import org.apache.thrift.TException;
@@ -327,8 +326,8 @@ public abstract class BaseExecutor {
                 return true;
             }
             case DECIMALV2: {
-                Preconditions.checkArgument(((BigDecimal) obj).scale() == 9, "Scale of DECIMALV2 must be 9");
-                BigInteger data = ((BigDecimal) obj).unscaledValue();
+                BigDecimal retValue = ((BigDecimal) obj).setScale(9, RoundingMode.HALF_EVEN);
+                BigInteger data = retValue.unscaledValue();
                 byte[] bytes = UdfUtils.convertByteOrder(data.toByteArray());
                 //TODO: here is maybe overflow also, and may find a better way to handle
                 byte[] value = new byte[16];
@@ -386,5 +385,6 @@ public abstract class BaseExecutor {
         }
     }
 
-    protected void updateOutputOffset(long offset) {}
+    protected void updateOutputOffset(long offset) {
+    }
 }
diff --git a/regression-test/data/javaudf_p0/test_javaudf_decimal.out b/regression-test/data/javaudf_p0/test_javaudf_decimal.out
index 50b61279c7..b1ad6275aa 100644
--- a/regression-test/data/javaudf_p0/test_javaudf_decimal.out
+++ b/regression-test/data/javaudf_p0/test_javaudf_decimal.out
@@ -21,3 +21,6 @@
 112	1456778.444443300
 113	\N
 
+-- !select_decimal_string --
+0E-9
+
diff --git a/regression-test/java-udf-src/src/main/java/org/apache/doris/udf/DecimalStringTest.java b/regression-test/java-udf-src/src/main/java/org/apache/doris/udf/DecimalStringTest.java
new file mode 100644
index 0000000000..9d4faf6415
--- /dev/null
+++ b/regression-test/java-udf-src/src/main/java/org/apache/doris/udf/DecimalStringTest.java
@@ -0,0 +1,26 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+package org.apache.doris.udf;
+import java.math.BigDecimal;
+import org.apache.hadoop.hive.ql.exec.UDF;
+
+public class DecimalStringTest extends UDF {
+    public BigDecimal evaluate(BigDecimal value, String partition, String orderBy) {
+        return new BigDecimal(0.0);
+    }
+}
diff --git a/regression-test/suites/javaudf_p0/test_javaudf_decimal.groovy b/regression-test/suites/javaudf_p0/test_javaudf_decimal.groovy
index 2ca1121eb8..406fb857f7 100644
--- a/regression-test/suites/javaudf_p0/test_javaudf_decimal.groovy
+++ b/regression-test/suites/javaudf_p0/test_javaudf_decimal.groovy
@@ -64,6 +64,16 @@ suite("test_javaudf_decimal") {
         
 
         sql """ DROP FUNCTION java_udf_decimal_test(decimal(27,9),decimal(27,9)); """
+
+
+        sql """ DROP FUNCTION if exists java_udf_decimal_string_test(decimal(27,9),String,String); """
+        sql """ CREATE FUNCTION java_udf_decimal_string_test(decimal(27,9),String,String) RETURNS decimal(27,9) PROPERTIES (
+            "file"="file://${jarPath}",
+            "symbol"="org.apache.doris.udf.DecimalStringTest",
+            "type"="JAVA_UDF"
+        ); """
+        qt_select_decimal_string """ SELECT java_udf_decimal_string_test(2.83645,'asd','a') as result; """
+        sql """ DROP FUNCTION java_udf_decimal_string_test(decimal(27,9),String,String); """
     } finally {
         try_sql("DROP TABLE IF EXISTS ${tableName}")
     }