diff --git a/app/driver/uart.c b/app/driver/uart.c old mode 100755 new mode 100644 diff --git a/app/include/arch/cc.h b/app/include/arch/cc.h old mode 100755 new mode 100644 diff --git a/app/include/driver/uart.h b/app/include/driver/uart.h old mode 100755 new mode 100644 diff --git a/app/include/driver/uart_register.h b/app/include/driver/uart_register.h old mode 100755 new mode 100644 diff --git a/app/include/lwipopts.h b/app/include/lwipopts.h old mode 100755 new mode 100644 diff --git a/app/lwip/app/dhcpserver.c b/app/lwip/app/dhcpserver.c old mode 100755 new mode 100644 diff --git a/app/modules/tmr.c b/app/modules/tmr.c old mode 100755 new mode 100644 diff --git a/app/modules/uart.c b/app/modules/uart.c old mode 100755 new mode 100644 diff --git a/app/platform/platform.c b/app/platform/platform.c old mode 100755 new mode 100644 diff --git a/docs/en/modules/coap.md b/docs/en/modules/coap.md old mode 100755 new mode 100644