diff --git a/src/chipid.c b/src/chipid.c
index 2d9bdf3..49af14a 100644
--- a/src/chipid.c
+++ b/src/chipid.c
@@ -107,7 +107,7 @@ static bool detect_and_set(const char *manufacturer,
 static bool hw_detect_system() {
     long uart_base = get_uart0_address();
     switch (uart_base) {
-#ifdef __arm__
+#if defined(__aarch64__) || defined(__arm__)
     // xm510
     case 0x10030000:
         return detect_and_set("Xiongmai", xm_detect_cpu, setup_hal_xm, 0);
@@ -132,6 +132,11 @@ static bool hw_detect_system() {
     case 0x20080000:
         return detect_and_set(VENDOR_HISI, hisi_detect_cpu, setup_hal_hisi,
                               0x20050000);
+// hi3519DV500
+    case 0x11040000:
+        return detect_and_set(VENDOR_HISI, hisi_detect_cpu, setup_hal_hisi,
+                              0x11020000);
+
 #endif
     default:
         return generic_detect_cpu();
@@ -173,6 +178,8 @@ const char *getchipfamily() {
         return "hi3516cv300";
     case HISI_V4A:
         return "hi3516cv500";
+ case HISI_V4B:
+        return "hi3519dv500";
     case HISI_V4:
         if (*chip_name == 'g')
             return "gk7205v200";
diff --git a/src/hal/hisi/hal_hisi.c b/src/hal/hisi/hal_hisi.c
index 1d03e7a..3d48ef9 100644
--- a/src/hal/hisi/hal_hisi.c
+++ b/src/hal/hisi/hal_hisi.c
@@ -520,6 +520,11 @@ static uint32_t hisi_reg_temp(uint32_t read_addr, int temp_bitness,
 // Temperature sensor (T-Sensor) control register
 #define EV300_MISC_CTRL45 0x120280B4
 
+// T-Sensor temperature record register 0
+#define DV500_MISC_CTRL47 0x1102A008
+// Temperature sensor (T-Sensor) control register
+#define DV500_MISC_CTRL45 0x1102A000
+
 static float hisi_get_temp() {
     float tempo;
     switch (chip_generation) {
@@ -553,6 +558,12 @@ static float hisi_get_temp() {
             hisi_reg_temp(EV300_MISC_CTRL47, 10, EV300_MISC_CTRL45, 0xC3200000);
         tempo = ((tempo - 117) / 798) * 165 - 40;
         break;
+ case HISI_V4B:
+        // MISC_CTRL47 bit[9:0]
+        tempo = 
+            hisi_reg_temp(DV500_MISC_CTRL47, 10, DV500_MISC_CTRL45, 0x60FA0000);
+        tempo = ((tempo - 136) / 793 * 165) - 40;
+        break;
     default:
         return NAN;
     }
@@ -746,6 +757,10 @@ static const char *get_hisi_chip_id(uint32_t family_id, uint8_t scsysid0) {
         // A new chip that was received in the OpenIPC lab 2023.07.28
         chip_generation = HISI_V4;
         return "7205V500";
+//3519DV500
+ case 0x3519D500:
+        chip_generation = HISI_V4B;
+        return "3519DV500";
     default:
         fprintf(stderr, "Got unexpected ID 0x%x for HiSilicon\n", family_id);
         return "unknown";
diff --git a/src/hal/hisi/hal_hisi.h b/src/hal/hisi/hal_hisi.h
index 72d17a6..a678e57 100644
--- a/src/hal/hisi/hal_hisi.h
+++ b/src/hal/hisi/hal_hisi.h
@@ -16,6 +16,7 @@
 #define HISI_V3 0x3516C300
 #define HISI_V4 0x3516E300
 #define HISI_V4A 0x3516C500
+#define HISI_V4B 0x3519D500
 #define HISI_3536C 0x3536C100
 #define HISI_3536D 0x3536D100
 
diff --git a/src/reginfo.c b/src/reginfo.c
index 156a185..61e554d 100644
--- a/src/reginfo.c
+++ b/src/reginfo.c
@@ -2192,11 +2192,13 @@ static const muxctrl_reg_t **regs_by_chip() {
         else if (IS_16DV200)
             return DV200regs;
         break;
+ case HISI_V4B:
+        return CV500regs;
     case HISI_3536C:
         return RCV100regs;
     case HISI_3536D:
         return DV100regs;
-    case INFINITY6:
+      case INFINITY6:
     case INFINITY6B:
         return I6B_regs;
     case INFINITY6C:
diff --git a/src/tools.c b/src/tools.c
index 86d4deb..6db2aa3 100644
--- a/src/tools.c
+++ b/src/tools.c
@@ -276,17 +276,24 @@ void restore_printk() {
 
 bool get_pid_cmdline(pid_t godpid, char *cmdname) {
     char sname[1024];
-
     snprintf(sname, sizeof(sname), "/proc/%d/cmdline", godpid);
     FILE *fp = fopen(sname, "r");
+
+
+////////        /proc/10320000.usb30drd/     at 3519dv500    readed as /proc/10320000/   and call Segmentation fault
+if (fp == NULL) {
+  
+fprintf(stderr, "Failed to open file  %s \n" , sname);
+    return; // Handle error appropriately
+}
+
     if (fp && fgets(sname, sizeof(sname), fp)) {
         if (cmdname)
             strcpy(cmdname, sname);
-
         fclose(fp);
+fp = NULL;  // Set to NULL to avoid double close
         return true;
     }
-
     fclose(fp);
     return false;
 }
@@ -323,6 +330,8 @@ static unsigned long time_by_proc(const char *filename, char *shortname,
 }
 
 pid_t get_god_pid(char *shortname, size_t shortsz) {
+
+
     DIR *dir = opendir("/proc");
     if (!dir)
         return -1;
@@ -330,11 +339,11 @@ pid_t get_god_pid(char *shortname, size_t shortsz) {
     unsigned long max = 0;
     char sname[1024], prname[255], maxname[255] = {0};
     pid_t godpid = -1, tmp;
+ 
     struct dirent *entry;
     while ((entry = readdir(dir)) != NULL) {
         if (*entry->d_name && isdigit(entry->d_name[0])) {
             snprintf(sname, sizeof(sname), "/proc/%s/stat", entry->d_name);
-
             tmp = strtol(entry->d_name, NULL, 10);
             if (get_pid_cmdline(tmp, NULL)) {
                 unsigned long curres = time_by_proc(sname, prname, sizeof(prname));