diff --git a/conf/server/scene_segmentation/bisenetv2/bisenetv2_server_config.ini b/conf/server/scene_segmentation/bisenetv2/bisenetv2_server_config.ini
index 73aea81c..4b54d2f5 100644
--- a/conf/server/scene_segmentation/bisenetv2/bisenetv2_server_config.ini
+++ b/conf/server/scene_segmentation/bisenetv2/bisenetv2_server_config.ini
@@ -7,6 +7,8 @@ host="localhost"
 max_connections=500
 # peer resp timeout seconds
 peer_resp_timeout=15
+# request size limit(MB)
+request_size_limit=-1
 # compute threads nums
 compute_threads=-1
 # handler threads nums
diff --git a/conf/server/scene_segmentation/hrnet/hrnet_seg_server_config.ini b/conf/server/scene_segmentation/hrnet/hrnet_seg_server_config.ini
index fa6526d0..9e7e27f2 100644
--- a/conf/server/scene_segmentation/hrnet/hrnet_seg_server_config.ini
+++ b/conf/server/scene_segmentation/hrnet/hrnet_seg_server_config.ini
@@ -7,6 +7,8 @@ host="localhost"
 max_connections=500
 # peer resp timeout seconds
 peer_resp_timeout=15
+# request size limit(MB)
+request_size_limit=-1
 # compute threads nums
 compute_threads=-1
 # handler threads nums
diff --git a/conf/server/scene_segmentation/pphuman_seg/pphuman_seg_server_config.ini b/conf/server/scene_segmentation/pphuman_seg/pphuman_seg_server_config.ini
index d00fa4f3..f6791ca2 100644
--- a/conf/server/scene_segmentation/pphuman_seg/pphuman_seg_server_config.ini
+++ b/conf/server/scene_segmentation/pphuman_seg/pphuman_seg_server_config.ini
@@ -7,6 +7,8 @@ host="localhost"
 max_connections=500
 # peer resp timeout seconds
 peer_resp_timeout=15
+# request size limit(MB)
+request_size_limit=-1
 # compute threads nums
 compute_threads=-1
 # handler threads nums