diff --git a/face-recognition-server b/face-recognition-server
index 75496e8be0717b2a4312e3f431640d036616b546..53a20f34883b0f34444dd1e8b4e4e53402e8fb71 160000
--- a/face-recognition-server
+++ b/face-recognition-server
@@ -1 +1 @@
-Subproject commit 75496e8be0717b2a4312e3f431640d036616b546
+Subproject commit 53a20f34883b0f34444dd1e8b4e4e53402e8fb71
diff --git a/nginx/nginx.conf b/nginx/nginx.conf
index 5818aa80d89ae60134ecf14eaf38342332755579..3b1fd36f817dd53d41d2e6c368ee61e0f62e7a78 100644
--- a/nginx/nginx.conf
+++ b/nginx/nginx.conf
@@ -3,7 +3,7 @@ error_log /log/error.log;
 
 events {
     use epoll;
-    worker_connections 655350;
+    worker_connections 1024;
     multi_accept on;
 }
 
@@ -38,9 +38,10 @@ http {
     keepalive_timeout   65;
     types_hash_max_size 2048;
 
-    open_file_cache max=655360 inactive=20s;
-    open_file_cache_valid    30s;
-    open_file_cache_min_uses 1;
+    # https://blog.csdn.net/qq_34556414/article/details/106660101 关于 open_file_cache 的解释
+    open_file_cache max=10000 inactive=30s;
+    open_file_cache_valid    60s;
+    open_file_cache_min_uses 2;
     open_file_cache_errors   off;
 
     server_tokens  off;
@@ -73,6 +74,8 @@ http {
     real_ip_header    X-Forwarded-For;
     real_ip_recursive on;
 
+    client_max_body_size 100M;
+
     upstream app_server {
         server web:8085;
         keepalive 64;