diff --git a/lib/config/GWConfig.cpp b/lib/config/GWConfig.cpp
index 1758c77..2047258 100644
--- a/lib/config/GWConfig.cpp
+++ b/lib/config/GWConfig.cpp
@@ -31,11 +31,12 @@ String GwConfigHandler::toString() const{
 
 String GwConfigHandler::toJson() const{
     String rt;
-    DynamicJsonDocument jdoc(50);
+    DynamicJsonDocument jdoc(300);
     for (int i=0;i<getNumConfig();i++){
-        jdoc[configs[i]->getName()]=configs[i]->asString();
+        jdoc[configs[i]->getName()]=configs[i]->asCString();
     }
     serializeJson(jdoc,rt);
+    logger->logString("configJson: %s",rt.c_str());
     return rt;
 }
 GwConfigItem * GwConfigHandler::findConfig(const String name, bool dummy){
@@ -61,6 +62,7 @@ bool GwConfigHandler::loadConfig(){
     prefs.begin(PREF_NAME,true);
     for (int i=0;i<getNumConfig();i++){
         String v=prefs.getString(configs[i]->getName().c_str(),configs[i]->getDefault());
+        configs[i]->fromString(v);
     }
     prefs.end();
     return true;
@@ -68,6 +70,7 @@ bool GwConfigHandler::loadConfig(){
 bool GwConfigHandler::saveConfig(){
     prefs.begin(PREF_NAME,false);
     for (int i=0;i<getNumConfig();i++){
+        logger->logString("saving %s=%s",configs[i]->getName().c_str(),configs[i]->asCString());
         prefs.putString(configs[i]->getName().c_str(),configs[i]->asString());
     }
     prefs.end();
@@ -80,6 +83,12 @@ bool GwConfigHandler::updateValue(const char *name, const char * value){
     logger->logString("update config %s=>%s",name,value);
     i->fromString(value);
 }
+bool GwConfigHandler::updateValue(String name, String value){
+    GwConfigItem *i=findConfig(name);
+    if (i == NULL) return false;
+    logger->logString("update config %s=>%s",name.c_str(),value.c_str());
+    i->fromString(value);
+}
 bool GwConfigHandler::reset(bool save){
     logger->logString("reset config");
     for (int i=0;i<getNumConfig();i++){
diff --git a/lib/config/GWConfig.h b/lib/config/GWConfig.h
index 3817a7d..56d3632 100644
--- a/lib/config/GWConfig.h
+++ b/lib/config/GWConfig.h
@@ -65,6 +65,7 @@ class GwConfigHandler{
         bool loadConfig();
         bool saveConfig();
         bool updateValue(const char *name, const char * value);
+        bool updateValue(String name, String value);
         bool reset(bool save);
         String toString() const;
         String toJson() const;
@@ -74,14 +75,14 @@ class GwConfigHandler{
         GwConfigInterface * getConfigItem(const String name, bool dummy=false) const;
     private:
     GwConfigItem* configs[5]={
-        new GwConfigItem(sendUsb,true),
-        new GwConfigItem (receiveUsb,false),
-        new GwConfigItem (wifiClient,false),
+        new GwConfigItem(sendUsb,"true"),
+        new GwConfigItem (receiveUsb,"false"),
+        new GwConfigItem (wifiClient,"false"),
         new GwConfigItem (wifiSSID,""),
         new GwConfigItem (wifiPass,"")
     };  
     int getNumConfig() const{
-        return sizeof(configs)/sizeof(GwConfigItem*);
+        return 5;
     }  
 };
 #endif
\ No newline at end of file
diff --git a/lib/wifi/GwWifi.cpp b/lib/wifi/GwWifi.cpp
index f2371f3..32a4923 100644
--- a/lib/wifi/GwWifi.cpp
+++ b/lib/wifi/GwWifi.cpp
@@ -17,7 +17,7 @@ void GwWifi::setup(){
     IPAddress AP_local_ip(192, 168, 15, 1);  // Static address for AP
     IPAddress AP_gateway(192, 168, 15, 1);
     IPAddress AP_subnet(255, 255, 255, 0);
-    WiFi.mode(WIFI_AP_STA); //enable both AP and client
+    WiFi.mode(WIFI_MODE_APSTA); //enable both AP and client
     WiFi.softAP(AP_ssid,AP_password);
     delay(100);
     WiFi.softAPConfig(AP_local_ip, AP_gateway, AP_subnet);
diff --git a/tools/testServer.py b/tools/testServer.py
new file mode 100755
index 0000000..e5d4108
--- /dev/null
+++ b/tools/testServer.py
@@ -0,0 +1,70 @@
+#! /usr/bin/env python3
+
+import shutil
+import sys
+import http
+import http.server
+import urllib.request
+import posixpath
+import os
+
+class RequestHandler(http.server.SimpleHTTPRequestHandler):
+    def do_GET(self):
+        p=self.path
+        print("path=%s"%p)
+        if p.startswith("/api/"):
+            apiurl=self.server.proxyUrl
+            url=apiurl+p.replace("/api","")
+            print("proxy to %s"%url)
+            with urllib.request.urlopen(url) as response:
+                self.send_response(http.HTTPStatus.OK)
+                self.send_header("Content-type", response.getheader("Content-type"))
+                
+                self.end_headers()
+                shutil.copyfileobj(response,self.wfile)
+                return None
+            self.send_error(http.HTTPStatus.NOT_FOUND, "api not found")
+            return None
+        super().do_GET()        
+    def translate_path(self, path):
+        """Translate a /-separated PATH to the local filename syntax.
+
+        Components that mean special things to the local file system
+        (e.g. drive or directory names) are ignored.  (XXX They should
+        probably be diagnosed.)
+
+        """
+        # abandon query parameters
+        path = path.split('?',1)[0]
+        path = path.split('#',1)[0]
+        # Don't forget explicit trailing slash when normalizing. Issue17324
+        trailing_slash = path.rstrip().endswith('/')
+        try:
+            path = urllib.parse.unquote(path, errors='surrogatepass')
+        except UnicodeDecodeError:
+            path = urllib.parse.unquote(path)
+        path = posixpath.normpath(path)
+        words = path.split('/')
+        words = filter(None, words)
+        path = self.server.baseDir
+        for word in words:
+            if os.path.dirname(word) or word in (os.curdir, os.pardir):
+                # Ignore components that are not a simple file/directory name
+                continue
+            path = os.path.join(path, word)
+        if trailing_slash:
+            path += '/'
+        return path
+
+def run(baseDir,port,apiUrl,server_class=http.server.HTTPServer, handler_class=RequestHandler):
+    server_address = ('', port)
+    httpd = server_class(server_address, handler_class)
+    httpd.proxyUrl=apiUrl
+    httpd.baseDir=baseDir
+    httpd.serve_forever()
+
+if __name__ == '__main__':
+    if len(sys.argv) != 4:
+        print("usage: %s basedir port apiurl"%sys.argv[0])
+        sys.exit(1)
+    run(sys.argv[1],int(sys.argv[2]),sys.argv[3])    
\ No newline at end of file
diff --git a/web/index.html b/web/index.html
index 52322cc..eb5641a 100644
--- a/web/index.html
+++ b/web/index.html
@@ -21,7 +21,27 @@
         }
       })
   }
+  function resetForm(ev){
+    if (ev){
+      ev.preventDefault();
+      ev.stopPropagation();
+    }
+    fetch("/api/config")
+      .then(function(resp){
+        return resp.json();
+      })
+      .then(function(jsonData){
+        for (let k in jsonData){
+          let el=document.querySelector("[name='"+k+"']");
+          if (el){
+            let v=jsonData[k];
+            el.value=v;
+          }
+        }
+      });
+  }
   window.setInterval(update,1000);
+  resetForm();
 </script>  
 <style type="text/css">
 #wrap
@@ -65,6 +85,25 @@ span.label {
   <span class="label">wifi client IP</span>
   <span class="value" id="clientIP">---</span>
 </div>
+<form action="/api/setConfig">
+  <div class="row">
+    <span class="label">wifiClient</span>
+    <select name="wifiClient">
+      <option value="true">On</option>
+      <option value="false" selected="selected">Off</option>
+    </select>
+  </div>
+  <div class="row">
+    <span class="label">wifiClientPass</span>
+    <input name="wifiPass" type="text">
+  </div>
+  <div class="row">
+    <span class="label">wifiClientSSID</span>
+    <input name="wifiSSID" type="text">
+  </div>
+  <button onClick="resetForm()">Reset</button>
+  <button type="submit">Save&Restart</button>
+</form>
 <button id="reset" onclick="reset();">Reset</button>
 </div>
 </body>