diff --git a/src/share/inner_table/ob_inner_table_schema.12251_12300.cpp b/src/share/inner_table/ob_inner_table_schema.12251_12300.cpp
index c9b292a304..300b6cd518 100644
--- a/src/share/inner_table/ob_inner_table_schema.12251_12300.cpp
+++ b/src/share/inner_table/ob_inner_table_schema.12251_12300.cpp
@@ -3764,7 +3764,7 @@ int ObInnerTableSchema::all_virtual_tenant_scheduler_job_schema(ObTableSchema &t
       0, //part_key_pos
       ObVarcharType, //column_type
       CS_TYPE_INVALID, //column_collation_type
-      4000, //column_length
+      65536, //column_length
       -1, //column_precision
       -1, //column_scale
       true, //is_nullable
@@ -3903,7 +3903,7 @@ int ObInnerTableSchema::all_virtual_tenant_scheduler_job_schema(ObTableSchema &t
       0, //part_key_pos
       ObVarcharType, //column_type
       CS_TYPE_INVALID, //column_collation_type
-      4000, //column_length
+      65536, //column_length
       -1, //column_precision
       -1, //column_scale
       true, //is_nullable
@@ -4100,7 +4100,7 @@ int ObInnerTableSchema::all_virtual_tenant_scheduler_job_schema(ObTableSchema &t
       0, //part_key_pos
       ObVarcharType, //column_type
       CS_TYPE_INVALID, //column_collation_type
-      128, //column_length
+      4096, //column_length
       -1, //column_precision
       -1, //column_scale
       true, //is_nullable
diff --git a/src/share/inner_table/ob_inner_table_schema.15201_15250.cpp b/src/share/inner_table/ob_inner_table_schema.15201_15250.cpp
index 047c9ad782..2532403492 100644
--- a/src/share/inner_table/ob_inner_table_schema.15201_15250.cpp
+++ b/src/share/inner_table/ob_inner_table_schema.15201_15250.cpp
@@ -590,7 +590,7 @@ int ObInnerTableSchema::all_virtual_tenant_scheduler_job_real_agent_ora_schema(O
       0, //part_key_pos
       ObVarcharType, //column_type
       CS_TYPE_UTF8MB4_BIN, //column_collation_type
-      4000, //column_length
+      65536, //column_length
       2, //column_precision
       -1, //column_scale
       true, //is_nullable
@@ -725,7 +725,7 @@ int ObInnerTableSchema::all_virtual_tenant_scheduler_job_real_agent_ora_schema(O
       0, //part_key_pos
       ObVarcharType, //column_type
       CS_TYPE_UTF8MB4_BIN, //column_collation_type
-      4000, //column_length
+      65536, //column_length
       2, //column_precision
       -1, //column_scale
       true, //is_nullable
@@ -920,7 +920,7 @@ int ObInnerTableSchema::all_virtual_tenant_scheduler_job_real_agent_ora_schema(O
       0, //part_key_pos
       ObVarcharType, //column_type
       CS_TYPE_UTF8MB4_BIN, //column_collation_type
-      128, //column_length
+      4096, //column_length
       2, //column_precision
       -1, //column_scale
       true, //is_nullable
diff --git a/src/share/inner_table/ob_inner_table_schema.351_400.cpp b/src/share/inner_table/ob_inner_table_schema.351_400.cpp
index 571bcbf620..65341399f0 100644
--- a/src/share/inner_table/ob_inner_table_schema.351_400.cpp
+++ b/src/share/inner_table/ob_inner_table_schema.351_400.cpp
@@ -8544,7 +8544,7 @@ int ObInnerTableSchema::all_tenant_scheduler_job_schema(ObTableSchema &table_sch
       0, //part_key_pos
       ObVarcharType, //column_type
       CS_TYPE_INVALID, //column_collation_type
-      4000, //column_length
+      65536, //column_length
       -1, //column_precision
       -1, //column_scale
       true, //is_nullable
@@ -8683,7 +8683,7 @@ int ObInnerTableSchema::all_tenant_scheduler_job_schema(ObTableSchema &table_sch
       0, //part_key_pos
       ObVarcharType, //column_type
       CS_TYPE_INVALID, //column_collation_type
-      4000, //column_length
+      65536, //column_length
       -1, //column_precision
       -1, //column_scale
       true, //is_nullable
@@ -8880,7 +8880,7 @@ int ObInnerTableSchema::all_tenant_scheduler_job_schema(ObTableSchema &table_sch
       0, //part_key_pos
       ObVarcharType, //column_type
       CS_TYPE_INVALID, //column_collation_type
-      128, //column_length
+      4096, //column_length
       -1, //column_precision
       -1, //column_scale
       true, //is_nullable
diff --git a/src/share/inner_table/ob_inner_table_schema_def.py b/src/share/inner_table/ob_inner_table_schema_def.py
index 8cf3c6a29f..900a9647ad 100644
--- a/src/share/inner_table/ob_inner_table_schema_def.py
+++ b/src/share/inner_table/ob_inner_table_schema_def.py
@@ -4404,7 +4404,7 @@ def_table_schema(
     ('interval#', 'varchar:4000', 'false'),
     ('failures', 'int', 'true', '0'),
     ('flag', 'int', 'false'),
-    ('what', 'varchar:4000', 'true'),
+    ('what', 'varchar:65536', 'true'),
     ('nlsenv', 'varchar:4000', 'true'),
     ('charenv', 'varchar:4000', 'true'),
     ('field1', 'varchar:MAX_ZONE_LENGTH', 'true'),
@@ -4413,7 +4413,7 @@ def_table_schema(
     ('job_style', 'varchar:128', 'true'),
     ('program_name', 'varchar:128', 'true'),
     ('job_type', 'varchar:128', 'true'),
-    ('job_action', 'varchar:4000', 'true'),
+    ('job_action', 'varchar:65536', 'true'),
     ('number_of_argument', 'int', 'true'),
     ('start_date', 'timestamp', 'true'),
     ('repeat_interval', 'varchar:4000', 'true'),
@@ -4426,7 +4426,7 @@ def_table_schema(
     ('retry_count', 'int', 'true'),
     ('last_run_duration', 'int', 'true'),
     ('max_run_duration', 'int', 'true'),
-    ('comments', 'varchar:128', 'true'),
+    ('comments', 'varchar:4096', 'true'),
     ('credential_name', 'varchar:128', 'true'),
     ('destination_name', 'varchar:128', 'true'),
     ('interval_ts', 'int', 'true'),
diff --git a/tools/deploy/mysql_test/test_suite/inner_table/r/mysql/desc_virtual_table_in_sys.result b/tools/deploy/mysql_test/test_suite/inner_table/r/mysql/desc_virtual_table_in_sys.result
index 1873e6e2b9..2a8b2e86ad 100644
--- a/tools/deploy/mysql_test/test_suite/inner_table/r/mysql/desc_virtual_table_in_sys.result
+++ b/tools/deploy/mysql_test/test_suite/inner_table/r/mysql/desc_virtual_table_in_sys.result
@@ -6024,7 +6024,7 @@ total	bigint(20)	YES		0
 interval#	varchar(4000)	NO		NULL	
 failures	bigint(20)	YES		0	
 flag	bigint(20)	NO		NULL	
-what	varchar(4000)	YES		NULL	
+what	varchar(65536)	YES		NULL	
 nlsenv	varchar(4000)	YES		NULL	
 charenv	varchar(4000)	YES		NULL	
 field1	varchar(128)	YES		NULL	
@@ -6033,7 +6033,7 @@ exec_env	varchar(2048)	YES		NULL
 job_style	varchar(128)	YES		NULL	
 program_name	varchar(128)	YES		NULL	
 job_type	varchar(128)	YES		NULL	
-job_action	varchar(4000)	YES		NULL	
+job_action	varchar(65536)	YES		NULL	
 number_of_argument	bigint(20)	YES		NULL	
 start_date	timestamp(6)	YES		NULL	
 repeat_interval	varchar(4000)	YES		NULL	
@@ -6046,7 +6046,7 @@ run_count	bigint(20)	YES		NULL
 retry_count	bigint(20)	YES		NULL	
 last_run_duration	bigint(20)	YES		NULL	
 max_run_duration	bigint(20)	YES		NULL	
-comments	varchar(128)	YES		NULL	
+comments	varchar(4096)	YES		NULL	
 credential_name	varchar(128)	YES		NULL	
 destination_name	varchar(128)	YES		NULL	
 interval_ts	bigint(20)	YES		NULL