diff --git a/regression-test/data/unique_with_mow_p0/partial_update/partial_update_parallel1.csv b/regression-test/data/unique_with_mow_p0/partial_update/partial_update_parallel1.csv
new file mode 100644
index 00000000000000..4ba84bb7785ff2
--- /dev/null
+++ b/regression-test/data/unique_with_mow_p0/partial_update/partial_update_parallel1.csv
@@ -0,0 +1,5 @@
+1,"ddddddddddd"
+2,"eeeeee"
+3,"aaaaa"
+4,"bbbbbbbb"
+5,"cccccccccccc"
diff --git a/regression-test/data/unique_with_mow_p0/partial_update/partial_update_parallel2.csv b/regression-test/data/unique_with_mow_p0/partial_update/partial_update_parallel2.csv
new file mode 100644
index 00000000000000..1560d6d3261218
--- /dev/null
+++ b/regression-test/data/unique_with_mow_p0/partial_update/partial_update_parallel2.csv
@@ -0,0 +1,5 @@
+1,1111,199
+2,2222,299
+3,3333,399
+4,4444,499
+5,5555,599
diff --git a/regression-test/data/unique_with_mow_p0/partial_update/partial_update_parallel3.csv b/regression-test/data/unique_with_mow_p0/partial_update/partial_update_parallel3.csv
new file mode 100644
index 00000000000000..c2366eb0a90a21
--- /dev/null
+++ b/regression-test/data/unique_with_mow_p0/partial_update/partial_update_parallel3.csv
@@ -0,0 +1,5 @@
+1,10
+2,20
+3,30
+4,40
+5,50
diff --git a/regression-test/data/unique_with_mow_p0/partial_update/test_partial_update_parallel.out b/regression-test/data/unique_with_mow_p0/partial_update/test_partial_update_parallel.out
new file mode 100644
index 00000000000000..bcd7e86c53ce31
--- /dev/null
+++ b/regression-test/data/unique_with_mow_p0/partial_update/test_partial_update_parallel.out
@@ -0,0 +1,8 @@
+-- This file is automatically generated. You should know what you did if you want to edit this
+-- !sql --
+1	"ddddddddddd"	1111	199	10
+2	"eeeeee"	2222	299	20
+3	"aaaaa"	3333	399	30
+4	"bbbbbbbb"	4444	499	40
+5	"cccccccccccc"	5555	599	50
+
diff --git a/regression-test/suites/unique_with_mow_p0/partial_update/test_partial_update_parallel.groovy b/regression-test/suites/unique_with_mow_p0/partial_update/test_partial_update_parallel.groovy
index 8875a5d6d4756e..19522e8064e122 100644
--- a/regression-test/suites/unique_with_mow_p0/partial_update/test_partial_update_parallel.groovy
+++ b/regression-test/suites/unique_with_mow_p0/partial_update/test_partial_update_parallel.groovy
@@ -31,61 +31,64 @@ suite("test_primary_key_partial_update_parallel", "p0") {
                 UNIQUE KEY(`id`) DISTRIBUTED BY HASH(`id`) BUCKETS 1
                 PROPERTIES("replication_num" = "1", "enable_unique_key_merge_on_write" = "true")
     """
-    // insert 2 lines
-    sql """
-        insert into ${tableName} values(2, "doris2", 2000, 223, 1)
-    """
 
-    sql """
-        insert into ${tableName} values(1, "doris", 1000, 123, 1)
-    """
+    sql """insert into ${tableName} values
+        (2, "doris2", 2000, 223, 2),
+        (1, "doris", 1000, 123, 1),
+        (5, "doris5", 5000, 523, 5),
+        (4, "doris4", 4000, 423, 4),
+        (3, "doris3", 3000, 323, 3);"""
 
-    Thread.startDaemon {
+    t1 = Thread.startDaemon {
         streamLoad {
             table "${tableName}"
 
             set 'column_separator', ','
             set 'format', 'csv'
             set 'partial_columns', 'true'
-            set 'columns', 'id,score'
+            set 'columns', 'id,name'
 
-            file 'basic.csv'
+            file 'partial_update_parallel1.csv'
             time 10000 // limit inflight 10s
         }
     }
 
-    Thread.startDaemon {
+    t2 = Thread.startDaemon {
         streamLoad {
             table "${tableName}"
 
             set 'column_separator', ','
             set 'format', 'csv'
             set 'partial_columns', 'true'
-            set 'columns', 'id,score'
+            set 'columns', 'id,score,test'
 
-            file 'basic_with_duplicate.csv'
+            file 'partial_update_parallel2.csv'
             time 10000 // limit inflight 10s
         }
     }
 
-    Thread.startDaemon {
+    t3 = Thread.startDaemon {
         streamLoad {
             table "${tableName}"
 
             set 'column_separator', ','
             set 'format', 'csv'
             set 'partial_columns', 'true'
-            set 'columns', 'id,score'
+            set 'columns', 'id,dft'
 
-            file 'basic_with_duplicate2.csv'
+            file 'partial_update_parallel3.csv'
             time 10000 // limit inflight 10s
         }
     }
 
+    t1.join()
+    t2.join()
+    t3.join()
+
     sql "sync"
 
-    sql """
-        select * from ${tableName} order by id;
-    """
+    qt_sql """ select * from ${tableName} order by id;"""
+
+    sql """ DROP TABLE IF EXISTS ${tableName}; """
 }