diff --git a/server/WebApi.h b/server/WebApi.h
index df45b8e1..bfc13fab 100644
--- a/server/WebApi.h
+++ b/server/WebApi.h
@@ -27,16 +27,21 @@
 #ifndef ZLMEDIAKIT_WEBAPI_H
 #define ZLMEDIAKIT_WEBAPI_H
 
+#include <string>
+using namespace std;
+
 namespace mediakit {
+
 ////////////RTSP服务器配置///////////
 namespace Rtsp {
-    extern const char kPort[];
+extern const string kPort;
 } //namespace Rtsp
 
 ////////////RTMP服务器配置///////////
 namespace Rtmp {
-    extern const char kPort[];
+extern const string kPort;
 } //namespace RTMP
+
 }  // namespace mediakit
 
 
diff --git a/server/main.cpp b/server/main.cpp
index 31ed2837..0c0f09bf 100644
--- a/server/main.cpp
+++ b/server/main.cpp
@@ -58,9 +58,9 @@ namespace mediakit {
 namespace Http {
 #define HTTP_FIELD "http."
 #define HTTP_PORT 80
-const char kPort[] = HTTP_FIELD"port";
+const string kPort = HTTP_FIELD"port";
 #define HTTPS_PORT 443
-const char kSSLPort[] = HTTP_FIELD"sslport";
+const string kSSLPort = HTTP_FIELD"sslport";
 onceToken token1([](){
     mINI::Instance()[kPort] = HTTP_PORT;
     mINI::Instance()[kSSLPort] = HTTPS_PORT;
@@ -71,7 +71,7 @@ onceToken token1([](){
 namespace Shell {
 #define SHELL_FIELD "shell."
 #define SHELL_PORT 9000
-const char kPort[] = SHELL_FIELD"port";
+const string kPort = SHELL_FIELD"port";
 onceToken token1([](){
     mINI::Instance()[kPort] = SHELL_PORT;
 },nullptr);
@@ -82,8 +82,8 @@ namespace Rtsp {
 #define RTSP_FIELD "rtsp."
 #define RTSP_PORT 554
 #define RTSPS_PORT 322
-const char kPort[] = RTSP_FIELD"port";
-const char kSSLPort[] = RTSP_FIELD"sslport";
+const string kPort = RTSP_FIELD"port";
+const string kSSLPort = RTSP_FIELD"sslport";
 onceToken token1([](){
     mINI::Instance()[kPort] = RTSP_PORT;
     mINI::Instance()[kSSLPort] = RTSPS_PORT;
@@ -95,7 +95,7 @@ onceToken token1([](){
 namespace Rtmp {
 #define RTMP_FIELD "rtmp."
 #define RTMP_PORT 1935
-const char kPort[] = RTMP_FIELD"port";
+const string kPort = RTMP_FIELD"port";
 onceToken token1([](){
     mINI::Instance()[kPort] = RTMP_PORT;
 },nullptr);
diff --git a/tests/test_server.cpp b/tests/test_server.cpp
index faf88641..6416f685 100644
--- a/tests/test_server.cpp
+++ b/tests/test_server.cpp
@@ -54,9 +54,9 @@ namespace mediakit {
 namespace Http {
 #define HTTP_FIELD "http."
 #define HTTP_PORT 80
-const char kPort[] = HTTP_FIELD"port";
+const string kPort = HTTP_FIELD"port";
 #define HTTPS_PORT 443
-const char kSSLPort[] = HTTP_FIELD"sslport";
+const string kSSLPort = HTTP_FIELD"sslport";
 onceToken token1([](){
     mINI::Instance()[kPort] = HTTP_PORT;
     mINI::Instance()[kSSLPort] = HTTPS_PORT;
@@ -67,7 +67,7 @@ onceToken token1([](){
 namespace Shell {
 #define SHELL_FIELD "shell."
 #define SHELL_PORT 9000
-const char kPort[] = SHELL_FIELD"port";
+const string kPort = SHELL_FIELD"port";
 onceToken token1([](){
     mINI::Instance()[kPort] = SHELL_PORT;
 },nullptr);
@@ -78,8 +78,8 @@ namespace Rtsp {
 #define RTSP_FIELD "rtsp."
 #define RTSP_PORT 554
 #define RTSPS_PORT 322
-const char kPort[] = RTSP_FIELD"port";
-const char kSSLPort[] = RTSP_FIELD"sslport";
+const string kPort = RTSP_FIELD"port";
+const string kSSLPort = RTSP_FIELD"sslport";
 onceToken token1([](){
     mINI::Instance()[kPort] = RTSP_PORT;
     mINI::Instance()[kSSLPort] = RTSPS_PORT;
@@ -91,7 +91,7 @@ onceToken token1([](){
 namespace Rtmp {
 #define RTMP_FIELD "rtmp."
 #define RTMP_PORT 1935
-const char kPort[] = RTMP_FIELD"port";
+const string kPort = RTMP_FIELD"port";
 onceToken token1([](){
     mINI::Instance()[kPort] = RTMP_PORT;
 },nullptr);