【修复】修复开启EF_ENV_AUTO_UPDATE后每次重启都会自动更新env的BUG

Signed-off-by: outely <834843362@qq.com>

easyflash/src/ef_env.c

@@ -887,6 +887,12 @@ static EfErrCode env_auto_update(void)
     /* lock the ENV cache */
     ef_port_env_lock();
 
+#ifdef EF_ENV_AUTO_UPDATE
+    /* read ENV version number from flashcurrent*/
+    ef_port_read(get_env_system_addr() + ENV_PARAM_INDEX_VER_NUM * 4,
+                 &env_cache[ENV_PARAM_INDEX_VER_NUM] , 4);
+#endif
+
     /* check version number */
     if (env_cache[ENV_PARAM_INDEX_VER_NUM] != EF_ENV_VER_NUM) {
         env_cache_changed = true;