diff --git a/fe/fe-core/src/main/java/org/apache/doris/analysis/PartitionExprUtil.java b/fe/fe-core/src/main/java/org/apache/doris/analysis/PartitionExprUtil.java
index fe82f2dc1f6892..0f7e1f92347eac 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/analysis/PartitionExprUtil.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/analysis/PartitionExprUtil.java
@@ -159,7 +159,8 @@ public static Map<String, AddPartitionClause> getAddPartitionClauseFromPartition
                 partitionName += getFormatPartitionValue(filterStr);
                 if (partitionColumnType.isStringType()) {
                     if (partitionName.length() > 50) {
-                        partitionName = partitionName.substring(40) + Objects.hash(partitionName) + "_" + System.currentTimeMillis();
+                        partitionName = partitionName.substring(40) + Objects.hash(partitionName)
+                                + "_" + System.currentTimeMillis();
                     }
                 }
             } else {
diff --git a/regression-test/data/partition_p0/auto_partition/test_auto_partition_behavior.out b/regression-test/data/partition_p0/auto_partition/test_auto_partition_behavior.out
index 53cd65f5d8c721..ac0ac36cee2853 100644
--- a/regression-test/data/partition_p0/auto_partition/test_auto_partition_behavior.out
+++ b/regression-test/data/partition_p0/auto_partition/test_auto_partition_behavior.out
@@ -1,32 +1,33 @@
 -- This file is automatically generated. You should know what you did if you want to edit this
 -- !sql1 --
- 
-  
- ! 
- !  
-Xxx
-xxX
+ 	1
+  	2
+ ! 	3
+ !  	4
+Xxx	3
+xxX	3
 
 -- !sql2 --
- 
-  
- ! 
- !  
-Xxx
-xxX
+ 	1
+  	2
+ ! 	3
+ !  	4
+Xxx	3
+xxX	3
 
 -- !sql3 --
- 
- ! 
- !  
- - 
--
-- -
---
-Xxx
-xxX
+  	2
+ ! 	3
+ !  	4
+ - 	3
+-	1
+- -	3
+--	2
+Xxx	3
+xxX	3
 
 -- !sql4 --
+  	2
 
 -- !sql5 --
 1
@@ -49,46 +50,46 @@ Xxx
 xxX
 
 -- !sql2 --
- 
- 
-  
-  
- ! 
- ! 
- !  
- !  
-Xxx
-Xxx
-xxX
-xxX
+ 	1
+ 	1
+  	2
+  	2
+ ! 	3
+ ! 	3
+ !  	4
+ !  	4
+Xxx	3
+Xxx	3
+xxX	3
+xxX	3
 
 -- !sql3 --
- 
- 
- ! 
- ! 
- !  
- !  
- - 
--
-- -
---
-Xxx
-Xxx
-xxX
-xxX
+  	2
+  	2
+ ! 	3
+ ! 	3
+ !  	4
+ !  	4
+ - 	3
+-	1
+- -	3
+--	2
+Xxx	3
+Xxx	3
+xxX	3
+xxX	3
 
 -- !sql4 --
- !  
- !  
- - 
--
-- -
---
-Xxx
-Xxx
-xxX
-xxX
+ !  	4
+ !  	4
+ - 	3
+-	1
+- -	3
+--	2
+Xxx	3
+Xxx	3
+xxX	3
+xxX	3
 
 -- !sql1 --
 2009-12-12T00:00	2020-12-12T00:00
diff --git a/regression-test/suites/partition_p0/auto_partition/test_auto_partition_behavior.groovy b/regression-test/suites/partition_p0/auto_partition/test_auto_partition_behavior.groovy
index 6407f9afecabac..6875dd840c4e48 100644
--- a/regression-test/suites/partition_p0/auto_partition/test_auto_partition_behavior.groovy
+++ b/regression-test/suites/partition_p0/auto_partition/test_auto_partition_behavior.groovy
@@ -35,11 +35,11 @@ suite("test_auto_partition_behavior") {
         """
     // special characters
     sql """ insert into unique_table values (" "), ("  "), ("Xxx"), ("xxX"), (" ! "), (" !  ") """
-    qt_sql1 """ select * from unique_table order by `str` """
+    qt_sql1 """ select *,length(str) from unique_table order by `str` """
     def result = sql "show partitions from unique_table"
     assertEquals(result.size(), 6)
     sql """ insert into unique_table values (" "), ("  "), ("Xxx"), ("xxX"), (" ! "), (" !  ") """
-    qt_sql2 """ select * from unique_table order by `str` """
+    qt_sql2 """ select *,length(str) from unique_table order by `str` """
     result = sql "show partitions from unique_table"
     assertEquals(result.size(), 6)
     sql """ insert into unique_table values ("-"), ("--"), ("- -"), (" - ") """
@@ -51,10 +51,10 @@ suite("test_auto_partition_behavior") {
     sql """ alter table unique_table drop partition ${partition1_name} """ // partition ' '
     result = sql "show partitions from unique_table"
     assertEquals(result.size(), 9)
-    qt_sql3 """ select * from unique_table order by `str` """
+    qt_sql3 """ select *,length(str) from unique_table order by `str` """
     // modify value 
     sql """ update unique_table set str = "modified" where str in (" ", "  ") """ // only "  "
-    qt_sql4 """ select * from unique_table where str = '  ' order by `str` """ // modified
+    qt_sql4 """ select *,length(str) from unique_table where str = '  ' order by `str` """ // modified
     qt_sql5 """ select count() from unique_table where str = 'modified' """
     // crop
     qt_sql6 """ select * from unique_table where ((str > ' ! ' || str = 'modified') && str != 'Xxx') order by str """
@@ -83,7 +83,7 @@ suite("test_auto_partition_behavior") {
     result = sql "show partitions from dup_table"
     assertEquals(result.size(), 6)
     sql """ insert into dup_table values (" "), ("  "), ("Xxx"), ("xxX"), (" ! "), (" !  ") """
-    qt_sql2 """ select * from dup_table order by `str` """
+    qt_sql2 """ select *,length(str) from dup_table order by `str` """
     result = sql "show partitions from dup_table"
     assertEquals(result.size(), 6)
     sql """ insert into dup_table values ("-"), ("--"), ("- -"), (" - ") """
@@ -95,9 +95,9 @@ suite("test_auto_partition_behavior") {
     sql """ alter table dup_table drop partition ${partition1_name} """
     result = sql "show partitions from dup_table"
     assertEquals(result.size(), 9)
-    qt_sql3 """ select * from dup_table order by `str` """
+    qt_sql3 """ select *,length(str) from dup_table order by `str` """
     // crop
-    qt_sql4 """ select * from dup_table where str > ' ! ' order by str """
+    qt_sql4 """ select * ,length(str) from dup_table where str > ' ! ' order by str """
 
     /// agg key table
     sql "drop table if exists agg_dt6"