diff --git a/src/app/main.c b/src/app/main.c
index dca4d7a..1737325 100644
--- a/src/app/main.c
+++ b/src/app/main.c
@@ -18,6 +18,7 @@
 // LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 // CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 // SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+
 // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 // CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
@@ -50,9 +51,9 @@
 
 ptu32_t djy_main(void)
 {
-    // ����
+    // 点屏
     Lcd_BackLight_OnOff(1);
-    // ��װutf8�ַ���
+    // 安装utf8字符集
 //    ModuleInstall_CharsetUtf8(NULL);
 //    OTA_Initialize();