modify data length for 4g translation

APP_Framework/Framework/connection/at_agent.h

@@ -26,6 +26,12 @@
 #include <stdio.h>
 #include <sys/types.h>
 
+#if defined(CONNECTION_ADAPTER_4G) && defined(TOOL_USING_OTA)
+#define ENTM_RECV_MAX 1024
+#else
+#define ENTM_RECV_MAX 256
+#endif
+
 #define REPLY_TIME_OUT 10
 
 enum ReceiveMode
@@ -70,7 +76,6 @@ struct ATAgent
 #endif
     pthread_t at_handler;
 
-    #define ENTM_RECV_MAX 256
     char entm_recv_buf[ENTM_RECV_MAX];
     uint32 entm_recv_len;
     enum ReceiveMode receive_mode;