diff --git a/model/storage/sdio_adapter.c b/model/storage/sdio_adapter.c
index 59fdba571911a49694d444d7ebcd644700f82d47..3f103419feb8f210f318df8701d0415a0ccf808c 100644
--- a/model/storage/sdio_adapter.c
+++ b/model/storage/sdio_adapter.c
@@ -33,6 +33,11 @@
 #define MMC_SLOT_NUM 3
 #define SDIO_RESCAN_WAIT_TIME 40
 
+enum SleepTime {
+    MS_10 = 10,  /**< 10ms */
+    MS_50 = 50, /**< 50ms */
+};
+
 struct mmc_host *himci_get_mmc_host(int slot);
 void hisi_sdio_rescan(int slot);
 
@@ -457,7 +462,7 @@ static int32_t Hi35xxLinuxSdioRescan(struct MmcCntlr *cntlr)
 
     hisi_sdio_rescan(cntlr->index);
     while (rescanFinish == false && count < SDIO_RESCAN_WAIT_TIME) {
-        OsalMSleep(50);
+        OsalMSleep(MS_50);
         count++;
         rescanFinish = Hi35xxLinuxSdioRescanFinish(cntlr);
     }
@@ -467,7 +472,7 @@ static int32_t Hi35xxLinuxSdioRescan(struct MmcCntlr *cntlr)
         return HDF_FAILURE;
     }
 
-    OsalMSleep(10);
+    OsalMSleep(MS_10);
     return HDF_SUCCESS;
 }
 
diff --git a/platform/pwm/pwm_hi35xx.h b/platform/pwm/pwm_hi35xx.h
index 79772013dc7d9198589bef9b47106d6d1d625f7c..c5c3f27de6971a90bfb2187d7d5f533019882657 100644
--- a/platform/pwm/pwm_hi35xx.h
+++ b/platform/pwm/pwm_hi35xx.h
@@ -55,7 +55,7 @@ static inline void HiPwmDisable(struct HiPwmRegs *reg)
     if (reg == NULL) {
         return;
     }
-    reg->ctrl &= ~ 1;
+    reg->ctrl &= ~1;
 }
 
 static inline void HiPwmAlwaysOutput(struct HiPwmRegs *reg)