diff --git a/projects/IoTCenter/appsettings.json b/projects/IoTCenter/appsettings.json
index fedd9adc..45c25979 100644
--- a/projects/IoTCenter/appsettings.json
+++ b/projects/IoTCenter/appsettings.json
@@ -1,5 +1,5 @@
 {
-  "version": "1.0.0-rc.21",
+  "version": "1.0.0-rc.31",
   "Logging": {
     "LogLevel": {
       "Default": "Warning",
diff --git a/projects/IoTCenter/iotcenter.db b/projects/IoTCenter/iotcenter.db
index da7ea4a3..53c942d4 100644
Binary files a/projects/IoTCenter/iotcenter.db and b/projects/IoTCenter/iotcenter.db differ
diff --git a/projects/IoTNode/appsettings.json b/projects/IoTNode/appsettings.json
index 8e5d076e..cf654a29 100644
--- a/projects/IoTNode/appsettings.json
+++ b/projects/IoTNode/appsettings.json
@@ -1,5 +1,5 @@
 {
-  "version": "1.0.0-rc.21",
+  "version": "1.0.0-rc.31",
   "Logging": {
     "LogLevel": {
       "Default": "Warning",
diff --git a/projects/IoTNode/iotnode.db b/projects/IoTNode/iotnode.db
index 0fa8d147..83a51716 100644
Binary files a/projects/IoTNode/iotnode.db and b/projects/IoTNode/iotnode.db differ
diff --git a/projects/StudyCenter/appsettings.json b/projects/StudyCenter/appsettings.json
index b5ca28f0..05cf5598 100644
--- a/projects/StudyCenter/appsettings.json
+++ b/projects/StudyCenter/appsettings.json
@@ -1,5 +1,5 @@
 {
-  "version": "1.0.0-rc.9",
+  "version": "1.0.0-rc.31",
   "Logging": {
     "LogLevel": {
       "Default": "Warning"
diff --git a/projects/UserCenter/appsettings.json b/projects/UserCenter/appsettings.json
index 72f40853..3c0d6c44 100644
--- a/projects/UserCenter/appsettings.json
+++ b/projects/UserCenter/appsettings.json
@@ -1,5 +1,5 @@
 {
-  "version": "1.0.0-rc.21",
+  "version": "1.0.0-rc.31",
   "Logging": {
     "LogLevel": {
       "Default": "Warning"
diff --git a/publish/src/linux-x64/publish/nginx.conf b/publish/src/linux-x64/publish/nginx.conf
index b5b92c0c..e062e190 100644
--- a/publish/src/linux-x64/publish/nginx.conf
+++ b/publish/src/linux-x64/publish/nginx.conf
@@ -1,19 +1,13 @@
-
-#user  nobody;
-worker_processes  1;
-
-#error_log  logs/error.log;
-#error_log  logs/error.log  notice;
-#error_log  logs/error.log  info;
-
-#pid        logs/nginx.pid;
-
+user www-data;
+worker_processes auto;
+pid /run/nginx.pid;
+include /etc/nginx/modules-enabled/*.conf;
 
 events {
-    worker_connections  1024;
+	worker_connections 768;
+	# multi_accept on;
 }
 
-
 http {
     include       mime.types;
     default_type  application/octet-stream;
@@ -27,28 +21,32 @@ http {
         server_name  localhost;
 
 	location ^~ /live/ {
-		proxy_pass   http://localhost:8080/live/;
-	}
-
-	location ^~ /video/ {
-		proxy_pass   http://localhost:8080/;
+                proxy_pass   http://localhost:8080/live/;
 	}
 
 	location ^~ /UserCenter/ {
-		proxy_pass   http://localhost:8000/;
+		proxy_pass   http://localhost:8010/;
+		#add_header 'Access-Control-Allow-Origin' '*';
+                #add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS, PUT, DELETE';
+                #add_header 'Access-Control-Allow-Headers' 'Content-Type';
 	}
 
         location ^~ /IoTCenter/ {
-		proxy_pass   http://localhost:8001/;
+                proxy_pass   http://localhost:8011/;
 		proxy_http_version 1.1;
 		proxy_set_header Upgrade $http_upgrade;
 		proxy_set_header Connection "upgrade";
 		proxy_read_timeout 86400;
 	}
 
+        location ^~ /IoTCenter/App/ {
+                proxy_pass   http://localhost:8011/App/;
+	}
+
         error_page   500 502 503 504  /50x.html;
         location = /50x.html {
             root   html;
         }
     }
-}
+
+}
\ No newline at end of file
diff --git a/tools/nginx-1.16.0/conf/nginx.conf b/tools/nginx-1.16.0/conf/nginx.conf
index fb681eb5..361ccb48 100644
--- a/tools/nginx-1.16.0/conf/nginx.conf
+++ b/tools/nginx-1.16.0/conf/nginx.conf
@@ -27,28 +27,32 @@ http {
         server_name  localhost;
 
 	location ^~ /live/ {
-		proxy_pass   http://localhost:8080/live/;
-	}
-
-	location ^~ /video/ {
-		proxy_pass   http://localhost:8080/;
+                proxy_pass   http://localhost:8080/live/;
 	}
 
 	location ^~ /UserCenter/ {
 		proxy_pass   http://localhost:8010/;
+		#add_header 'Access-Control-Allow-Origin' '*';
+                #add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS, PUT, DELETE';
+                #add_header 'Access-Control-Allow-Headers' 'Content-Type';
 	}
 
         location ^~ /IoTCenter/ {
-		proxy_pass   http://localhost:8011/;
+                proxy_pass   http://localhost:8011/;
 		proxy_http_version 1.1;
 		proxy_set_header Upgrade $http_upgrade;
 		proxy_set_header Connection "upgrade";
 		proxy_read_timeout 86400;
 	}
 
+        location ^~ /IoTCenter/App/ {
+                proxy_pass   http://localhost:8011/App/;
+	}
+
         error_page   500 502 503 504  /50x.html;
         location = /50x.html {
             root   html;
         }
     }
+
 }