diff --git a/arch/arm/pico-RP2040/gcc/picoPortMacro.h b/arch/arm/pico-RP2040/gcc/picoPortMacro.h
index 9448dc8..6310747 100644
--- a/arch/arm/pico-RP2040/gcc/picoPortMacro.h
+++ b/arch/arm/pico-RP2040/gcc/picoPortMacro.h
@@ -22,7 +22,7 @@
  #define INVALID_PRIMARY_CORE_NUM 0xffu
  #define portMIN_INTERRUPT_PRIORITY            ( 255UL )
  typedef  uint32_t          BaseType_t;
- #if(USE_SMP==1u)
+ #if(USE_SMP >0u)
 /* Multi-core */
 #define portMAX_CORE_COUNT            2
 //获取core ID
diff --git a/arch/arm/pico-RP2040/gcc/port_s.S b/arch/arm/pico-RP2040/gcc/port_s.S
index 3203222..5b6d330 100644
--- a/arch/arm/pico-RP2040/gcc/port_s.S
+++ b/arch/arm/pico-RP2040/gcc/port_s.S
@@ -1,4 +1,4 @@
-    @.equ SMP, 1
+    .equ SMP, 1
     .global  port_int_disable
     .global  port_int_enable
 
diff --git a/core/tos_sys.c b/core/tos_sys.c
index 0d2ac40..bef20b0 100644
--- a/core/tos_sys.c
+++ b/core/tos_sys.c
@@ -410,14 +410,6 @@ __KNL__ int knl_is_self(k_task_t *task)
 {
     return task == k_curr_task;
 }
-
-__STATIC__ void knl_idle1_entry(void *arg)
-{
-    arg = arg; // make compiler happy
-    while (K_TRUE) {
-        knl_sched();
-    }
-}
 __STATIC__ void knl_idle_entry(void *arg)
 {
     arg = arg; // make compiler happy
@@ -428,11 +420,11 @@ __STATIC__ void knl_idle_entry(void *arg)
      #if TOS_CFG_PWR_MGR_EN > 0u
         pm_power_manager();
      #endif
-     #if(USE_SMP==1u)
+     
      if(k_rdyq.highest_prio<K_TASK_PRIO_IDLE){
        knl_sched();
      }
-     #endif
+     
     }
 }