diff --git a/docs/en/docs/sql-manual/sql-reference/Data-Definition-Statements/Create/CREATE-TABLE.md b/docs/en/docs/sql-manual/sql-reference/Data-Definition-Statements/Create/CREATE-TABLE.md
index 04f0100b26b975..1d24ceb27ee035 100644
--- a/docs/en/docs/sql-manual/sql-reference/Data-Definition-Statements/Create/CREATE-TABLE.md
+++ b/docs/en/docs/sql-manual/sql-reference/Data-Definition-Statements/Create/CREATE-TABLE.md
@@ -117,9 +117,9 @@ Column definition list:
 
     * `AUTO_INCREMENT`(only avaliable in master branch)
 
-        To indicate if the column is a auto-increment column. Auto-increment column can be used to generate a unique identity for new row. If no values are assgined for auto-increment column when inserting, Doris will generate sequence numbers automatically. You can also assign the auto-increment column with NULL literal to indicate Doris to generate sequence numbers. It should be noted that, for performance reasons, BE will cache some values of auto-increment columns in memory. Therefore, the values generated by auto-increment columns can only guarantee monotonicity and uniqueness, but not strict continuity.
+        To indicate if the column is a auto-increment column. Auto-increment column can be used to generate a unique identity for new row. If no values are assgined for auto-increment column when inserting, Doris will generate sequence numbers automatically. You can also assign the auto-increment column with NULL literal to indicate Doris to generate sequence numbers. It should be noted that, for performance reasons, BE will cache some values of auto-increment column in memory. Therefore, the values generated by auto-increment column can only guarantee monotonicity and uniqueness, but not strict continuity.
         A table can have at most one auto-incremnt column. The auto-increment column should be BIGINT type and be NOT NULL.
-        Currently, only table of duplicate model supports auto-increment column.
+        Both Duplicate model table and Unique model table support auto-increment column
 
     * `default_value`
 
diff --git a/docs/zh-CN/docs/sql-manual/sql-reference/Data-Definition-Statements/Create/CREATE-TABLE.md b/docs/zh-CN/docs/sql-manual/sql-reference/Data-Definition-Statements/Create/CREATE-TABLE.md
index a0648af94d080e..d26b62f493ed77 100644
--- a/docs/zh-CN/docs/sql-manual/sql-reference/Data-Definition-Statements/Create/CREATE-TABLE.md
+++ b/docs/zh-CN/docs/sql-manual/sql-reference/Data-Definition-Statements/Create/CREATE-TABLE.md
@@ -110,7 +110,7 @@ distribution_desc
             
         是否为自增列，自增列可以用来为新插入的行生成一个唯一标识。在插入表数据时如果没有指定自增列的值，则会自动生成一个合法的值。当自增列被显示地插入NULL时，其值也会被替换为生成的合法值。需要注意的是，处于性能考虑，BE会在内存中缓存部分自增列的值，所以自增列自动生成的值只能保证单调性和唯一性，无法保证严格的连续性。
         一张表中至多有一个列是自增列，自增列必须是BIGINT类型，且必须为NOT NULL。
-        目前只有duplicate模型支持自增列。
+        Duplicate模型表和Unique模型表均支持自增列。
 
   * `default_value`
         列默认值，当导入数据未指定该列的值时，系统将赋予该列default_value。
diff --git a/regression-test/suites/data_model_p0/unique/test_unique_table.groovy b/regression-test/suites/data_model_p0/unique/test_unique_table.groovy
index f3fdc71bde8791..eb9bd2b57d7c66 100644
--- a/regression-test/suites/data_model_p0/unique/test_unique_table.groovy
+++ b/regression-test/suites/data_model_p0/unique/test_unique_table.groovy
@@ -42,20 +42,4 @@ suite("test_unique_table") {
     order_qt_select_uniq_table "select * from ${tbName}"
     qt_desc_uniq_table "desc ${tbName}"
     sql "DROP TABLE ${tbName}"
-
-    def table_auto_inc = "test_aggregate_tab_with_auto_inc_col"
-    sql "drop table if exists ${table_auto_inc}"
-    test {
-        sql """
-            CREATE TABLE IF NOT EXISTS ${table_auto_inc} (
-                k BIGINT NOT NULL AUTO_INCREMENT,
-                int_value int,
-                char_value char(10),
-                date_value date
-            )
-            UNIQUE KEY(k)
-            DISTRIBUTED BY HASH(k) BUCKETS 5 properties("replication_num" = "1");
-        """
-        exception "the auto increment is only supported in duplicate table."
-    }
 }