diff --git a/syscall/process_syscall.c b/syscall/process_syscall.c
index 59d914f784bdfb37781b8e7c142fe251527d80f9..7f6dd877a671165a1620dd6f67af1deb77ca978f 100644
--- a/syscall/process_syscall.c
+++ b/syscall/process_syscall.c
@@ -109,17 +109,17 @@ static int OsUserTaskSchedulerSet(unsigned int tid, int policy, const LosSchedPa
     }
 
     taskCB->ops->schedParamGet(taskCB, &param);
+#ifdef LOSCFG_SECURITY_CAPABILITY
+    /* user mode process with privilege of CAP_SCHED_SETPRIORITY can change the priority */
+    if (!IsCapPermit(CAP_SCHED_SETPRIORITY)) {
+        SCHEDULER_UNLOCK(intSave);
+        return EPERM;
+    }
+#endif
     param.policy = (policyFlag == true) ? (UINT16)policy : param.policy;
     if ((param.policy == LOS_SCHED_RR) || (param.policy == LOS_SCHED_FIFO)) {
         param.priority = schedParam->priority;
     } else if (param.policy == LOS_SCHED_DEADLINE) {
-#ifdef LOSCFG_SECURITY_CAPABILITY
-        /* user mode process with privilege of CAP_SCHED_SETPRIORITY can change the priority */
-        if (!IsCapPermit(CAP_SCHED_SETPRIORITY)) {
-            SCHEDULER_UNLOCK(intSave);
-            return EPERM;
-        }
-#endif
         param.runTimeUs = schedParam->runTimeUs;
         param.deadlineUs = schedParam->deadlineUs;
         param.periodUs = schedParam->periodUs;