diff --git a/src/app/weather/weather_fetch.cpp b/src/app/weather/weather_fetch.cpp
index 58f9a6d..da312d1 100644
--- a/src/app/weather/weather_fetch.cpp
+++ b/src/app/weather/weather_fetch.cpp
@@ -31,11 +31,24 @@
 
 // arduinoJson allocator for external PSRAM
 // see: https://arduinojson.org/v6/how-to/use-external-ram-on-esp32/
-struct SpiRamAllocator {
-  void* allocate( size_t size ) { return ps_calloc( size, 1 ); }
-  void deallocate( void* pointer ) { free( pointer ); }
+struct WeatherSpiRamAllocator {
+    void* allocate( size_t size ) { 
+        void *psram = ps_calloc( size, 1 );
+        if ( psram ) {
+            log_i("allocate %dbytes(%p) json psram", size, psram );
+            return( psram );
+        }
+        else {
+            log_e("allocate %dbytes(%p) json psram failed", size, psram );
+            while(1);
+        }
+    }
+    void deallocate( void* pointer ) {
+        log_i("deallocate (%p) json psram", pointer );
+        free( pointer );
+    }
 };
-using SpiRamJsonDocument = BasicJsonDocument<SpiRamAllocator>;
+using WeatherSpiRamJsonDocument = BasicJsonDocument<WeatherSpiRamAllocator>;
 
 /* Utility function to convert numbers to directions */
 static void weather_wind_to_string( weather_forcast_t* container, int speed, int directionDegree);
@@ -58,7 +71,7 @@ int weather_fetch_today( weather_config_t *weather_config, weather_forcast_t *we
         return( -1 );
     }
 
-    SpiRamJsonDocument doc( today_client.getSize() * 2 );
+    WeatherSpiRamJsonDocument doc( today_client.getSize() * 2 );
 
     DeserializationError error = deserializeJson( doc, today_client.getStream() );
     if (error) {
@@ -103,7 +116,7 @@ int weather_fetch_forecast( weather_config_t *weather_config, weather_forcast_t
         return( -1 );
     }
 
-    SpiRamJsonDocument doc( forecast_client.getSize() * 2 );
+    WeatherSpiRamJsonDocument doc( forecast_client.getSize() * 2 );
 
     DeserializationError error = deserializeJson( doc, forecast_client.getStream() );
     if (error) {
diff --git a/src/app/weather/weather_forecast.cpp b/src/app/weather/weather_forecast.cpp
index ce1e090..0397e5e 100644
--- a/src/app/weather/weather_forecast.cpp
+++ b/src/app/weather/weather_forecast.cpp
@@ -135,7 +135,9 @@ void weather_forecast_tile_setup( uint32_t tile_num ) {
 
     // regster callback for wifi sync
     WiFi.onEvent( [](WiFiEvent_t event, WiFiEventInfo_t info) {
-        weather_forecast_sync_request();
+        weather_config_t *weather_config = weather_get_config();
+        if ( weather_config->autosync )
+            weather_forecast_sync_request();
     }, WiFiEvent_t::SYSTEM_EVENT_STA_GOT_IP );
 
     weather_forecast_event_handle = xEventGroupCreate();
diff --git a/src/config.h b/src/config.h
index 8426055..57e2de8 100644
--- a/src/config.h
+++ b/src/config.h
@@ -32,6 +32,6 @@
     /*
     * firmeware version string
     */
-    #define __FIRMWARE__            "2020081101"
+    #define __FIRMWARE__            "2020081102"
 
 #endif // _CONFIG_H
diff --git a/src/gui/mainbar/setup_tile/update/update_check_version.cpp b/src/gui/mainbar/setup_tile/update/update_check_version.cpp
index 8dd0485..aca3a68 100644
--- a/src/gui/mainbar/setup_tile/update/update_check_version.cpp
+++ b/src/gui/mainbar/setup_tile/update/update_check_version.cpp
@@ -27,11 +27,24 @@
 
 // arduinoJson allocator for external PSRAM
 // see: https://arduinojson.org/v6/how-to/use-external-ram-on-esp32/
-struct SpiRamAllocator {
-  void* allocate( size_t size ) { return ps_calloc( size, 1 ); }
-  void deallocate( void* pointer ) { free( pointer ); }
+struct UpdateSpiRamAllocator {
+    void* allocate( size_t size ) { 
+        void *psram = ps_calloc( size, 1 );
+        if ( psram ) {
+            log_i("allocate %dbytes(%p) json psram", size, psram );
+            return( psram );
+        }
+        else {
+            log_e("allocate %dbytes(%p) json psram failed", size, psram );
+            while(1);
+        }
+    }
+    void deallocate( void* pointer ) {
+        log_i("deallocate (%p) json psram", pointer );
+        free( pointer );
+    }
 };
-using SpiRamJsonDocument = BasicJsonDocument<SpiRamAllocator>;
+using SpiRamJsonDocument = BasicJsonDocument<UpdateSpiRamAllocator>;
 
 uint64_t update_check_new_version( void ) {
     char url[512]="";
diff --git a/ttgo-t-watch2020_v1.ino.bin b/ttgo-t-watch2020_v1.ino.bin
index 582961b..c4b4ae1 100644
Binary files a/ttgo-t-watch2020_v1.ino.bin and b/ttgo-t-watch2020_v1.ino.bin differ
diff --git a/ttgo-t-watch2020_v1.version.json b/ttgo-t-watch2020_v1.version.json
index 5d248df..4ea9328 100644
--- a/ttgo-t-watch2020_v1.version.json
+++ b/ttgo-t-watch2020_v1.version.json
@@ -1 +1 @@
-{"version":"2020081101","host":"http://www.neo-guerillaz.de","file":"ttgo-t-watch2020_v1.ino.bin"}
+{"version":"2020081102","host":"http://www.neo-guerillaz.de","file":"ttgo-t-watch2020_v1.ino.bin"}