diff --git a/u-boot-2020.01/board/hisilicon/hi3516dv300/hi3516dv300.c b/u-boot-2020.01/board/hisilicon/hi3516dv300/hi3516dv300.c
index c6b4f89d788a8a3f6226465f371aa0b38aefe443..afd20d8918b04e951a73f244d80daf06233bd23a 100755
--- a/u-boot-2020.01/board/hisilicon/hi3516dv300/hi3516dv300.c
+++ b/u-boot-2020.01/board/hisilicon/hi3516dv300/hi3516dv300.c
@@ -677,6 +677,9 @@ int do_ota_auto_update(void)
 int misc_init_r(void)
 {
     const char cmdBuf[] = "mmc read 0x0 0x80000000 0x800 0x4800; bootm 0x80000000";
+    // 0x80000000: boot img load addr; 0x84000000: updater img load addr
+    const char updater_cmdBuf[] = "mmc read 0x0 0x80000000 0x800 0x4800; mmc read 0x0 0x84000000 0x8000 0xA000; "
+        "bootm 0x80000000 0x84000000";
 
 #ifdef CONFIG_RANDOM_ETHADDR
 	random_init_r();
@@ -695,28 +698,42 @@ int misc_init_r(void)
         "clk_ignore_unused androidboot.selinux=permissive skip_initramfs rootdelay=10 hardware=Hi3516DV300 "
         "default_boot_device=soc/10100000.himci.eMMC init=/init "
         "root=/dev/ram0 blkdevparts=mmcblk0:1M(boot),15M(kernel),20M(updater),"
-        "2M(misc),4M(ramdisk),3303M(system),256M(vendor),50M(sys_prod),50M(chip_prod),-(userdata) initrd=0x84000000,0xA24000";
+        "2M(misc),4M(ramdisk),3303M(system),256M(vendor),50M(sys_prod),50M(chip_prod),-(userdata) initrd=0x84000000,0x400000 "
+        "ohos.required_mount.system=/dev/block/platform/soc/10100000.himci.eMMC/by-name/system@/usr@ext4@ro,barrier=1@wait,required "
+        "ohos.required_mount.vendor=/dev/block/platform/soc/10100000.himci.eMMC/by-name/vendor@/vendor@ext4@ro,barrier=1@wait,required "
+        "ohos.required_mount.misc=/dev/block/platform/soc/10100000.himci.eMMC/by-name/misc@none@none@none@wait,required";
     const char bootcmd_with_ramdisk[] = "mmc read 0x0 0x80000000 0x800 0x4800; "
         "mmc read 0x0 0x84000000 0x13000 0x2000; "
-        "bootm 0x80000000 0x84000000:0xA24000";
+        "bootm 0x80000000 0x84000000:0x400000";
+    const char bootargs_with_updater[] = "mem=640M console=ttyAMA0,115200 mmz=anonymous,0,0xA8000000,384M "
+        "clk_ignore_unused androidboot.selinux=permissive skip_initramfs rootdelay=10 hardware=Hi3516DV300 "
+        "default_boot_device=soc/10100000.himci.eMMC init=/init "
+        "root=/dev/ram0 blkdevparts=mmcblk0:1M(boot),15M(kernel),20M(updater),"
+        "2M(misc),4M(ramdisk),3303M(system),256M(vendor),50M(sys_prod),50M(chip_prod),-(userdata) initrd=0x84000000,0x1400000";
+    const char bootcmd_with_updater[] = "mmc read 0x0 0x80000000 0x800 0x4800; "
+        "mmc read 0x0 0x84000000 0x8000 0xA000; "
+        "bootm 0x80000000 0x84000000:0x1400000";
 
     memset(g_bootArgsStr, 0, ARG_SZ);
-    memcpy(g_bootArgsStr, bootargs_with_ramdisk, strlen(bootargs_with_ramdisk));
-    env_set("bootcmd", bootcmd_with_ramdisk);
+    if (g_isRecovery) {
+        memcpy(g_bootArgsStr, bootargs_with_updater, strlen(bootargs_with_updater));
+        env_set("bootcmd", bootcmd_with_updater);
+    } else {
+        memcpy(g_bootArgsStr, bootargs_with_ramdisk, strlen(bootargs_with_ramdisk));
+        env_set("bootcmd", bootcmd_with_ramdisk);
+    }
 #endif
 
     ChangeBootArgs();
 
-    // 0x80000000: boot img load addr; 0x84000000: updater img load addr
-    const char updater_cmdBuf[] = "mmc read 0x0 0x80000000 0x800 0x4800; mmc read 0x0 0x84000000 0x8000 0xB000; "
-        "bootm 0x80000000 0x84000000";
     env_set("bootargs", g_bootArgsStr);
 #ifndef INDEPENDENT_RAMDISK_PARTITION
-    env_set("bootcmd", cmdBuf);
-#endif
     if (g_isRecovery) {
         env_set("bootcmd", updater_cmdBuf);
+    } else {
+        env_set("bootcmd", cmdBuf);
     }
+#endif
 
     /* auto update flag */
     if (is_auto_update())