diff --git a/RBcore/msg_center.c b/RBcore/msg_center.c
index c5c16aa..9bd0efd 100644
--- a/RBcore/msg_center.c
+++ b/RBcore/msg_center.c
@@ -207,7 +207,7 @@ int MsgCenter_Send(const Msg_t *pstMsg)
     {
         // 发送信号量，通知有新消息
         Rd_SemPost(&g_astModules[iDstIndex].stSem, __func__, NULL);
-        log_d("[%p] send success ID:%x to %d", __builtin_return_address(0), pstMsg->m_uiMsgID, pstMsg->m_uiDstModule);
+        log_v("[%p] send success ID:%x to %d", __builtin_return_address(0), pstMsg->m_uiMsgID, pstMsg->m_uiDstModule);
         return RD_SUCCESS;
     }
 
diff --git a/library/common/include/elog_cfg.h b/library/common/include/elog_cfg.h
index ee2e169..eb2006c 100644
--- a/library/common/include/elog_cfg.h
+++ b/library/common/include/elog_cfg.h
@@ -33,7 +33,7 @@
 /* enable log output. */
 #define ELOG_OUTPUT_ENABLE
 /* setting static output log level. range: from ELOG_LVL_ASSERT to ELOG_LVL_VERBOSE */
-#define ELOG_OUTPUT_LVL                          ELOG_LVL_VERBOSE
+#define ELOG_OUTPUT_LVL                          ELOG_LVL_INFO
 /* enable assert check */
 // #define ELOG_ASSERT_ENABLE
 /* buffer size for every line's log */
@@ -68,7 +68,7 @@
 /* enable asynchronous output mode */
 #define ELOG_ASYNC_OUTPUT_ENABLE
 /* the highest output level for async mode, other level will sync output */
-#define ELOG_ASYNC_OUTPUT_LVL                    ELOG_LVL_VERBOSE
+#define ELOG_ASYNC_OUTPUT_LVL                    ELOG_LVL_INFO
 /* buffer size for asynchronous output mode */
 #define ELOG_ASYNC_OUTPUT_BUF_SIZE               (ELOG_LINE_BUF_SIZE * 10)
 /* each asynchronous output's log which must end with newline sign */
diff --git a/motor/msp_motor_leisai.c b/motor/msp_motor_leisai.c
index a1da045..919f9d1 100644
--- a/motor/msp_motor_leisai.c
+++ b/motor/msp_motor_leisai.c
@@ -419,7 +419,6 @@ static int LeiSai_ParseResponse(Motor_Instance_t *pstMotor, const uint8_t *pucDa
         	iRealVelocity[1] = MotorMgr_SpeedConvertex(pstMotor, iRealVelocity[0]);
         	iRealVelocity[0] = pstMotor->m_stConfig.m_ucMotorID;
         	MsgCenter_SendTo(MODULE_NAME_CUSTOM, CUSTOM_GET_SPEED, iRealVelocity, sizeof(iRealVelocity));
-        	log_d("iRealVelocity[1] = %d", iRealVelocity[1]);
         	break;
         }
         default:
diff --git a/project/paint_robot_new/paint_robot_new.c b/project/paint_robot_new/paint_robot_new.c
index 02dda3f..aa88216 100644
--- a/project/paint_robot_new/paint_robot_new.c
+++ b/project/paint_robot_new/paint_robot_new.c
@@ -154,7 +154,6 @@ static void Custom_ModuleHandler(const Msg_t *pstMsg)
 				if (1 == iCurrentSpeed[0])
 				{
 					g_stIV.CurrentSpeed = iCurrentSpeed[1];
-					log_d("speed = %d", g_stIV.CurrentSpeed);
 				}
 			}
 			break;