diff --git a/vd960Loop/utilities/at32f421_freertos_demo/src/main.c b/vd960Loop/utilities/at32f421_freertos_demo/src/main.c
index 55cb91a..a942f28 100644
--- a/vd960Loop/utilities/at32f421_freertos_demo/src/main.c
+++ b/vd960Loop/utilities/at32f421_freertos_demo/src/main.c
@@ -445,9 +445,14 @@ void uart_report_packet_loop_acs(uint8_t flag)
 
         g_pkg_uart_report.pkg[i++] = (g_loop_cng_info.loop_cng[j].loopFreq_Level << 6) | (1 << 4) | (unit->loop_SensLevel & 0x03);
         g_pkg_uart_report.pkg[i++] = 0 | ((!unit->loop_LOOP_OK) << 3) | (unit->loop_VD_FLAG << 2) | (_misc);
-        g_pkg_uart_report.pkg[i++] = (uint8_t)(unit->loop_CAPVD & 0xFF);
-        g_pkg_uart_report.pkg[i++] = (uint8_t)((unit->loop_CAPVD >> 8) & 0xFF);
-        g_pkg_uart_report.pkg[i++] = (uint8_t)((unit->loop_CAPVD >> 16) & 0xFF);
+        // 上报频率 = sclk_freq * input_div * LPCNT / CAPVD  (先乘后除避免精度损失)
+        uint32_t _frequent = 0;
+        if (unit->loop_LPCNT > 0 && unit->loop_CAPVD > 0) {
+            _frequent = (uint32_t)((uint64_t)g_crm_clocks_freq_struct.sclk_freq * g_input_div * unit->loop_LPCNT / unit->loop_CAPVD);
+        }
+        g_pkg_uart_report.pkg[i++] = (uint8_t)(_frequent & 0xFF);
+        g_pkg_uart_report.pkg[i++] = (uint8_t)((_frequent >> 8) & 0xFF);
+        g_pkg_uart_report.pkg[i++] = (uint8_t)((_frequent >> 16) & 0xFF);
 
         uint32_t variation = (unit->loop_Origin > unit->loop_CAPVD) ?
             (unit->loop_Origin - unit->loop_CAPVD) : (unit->loop_CAPVD - unit->loop_Origin);
@@ -759,9 +764,15 @@ void manage_dbn_ble_default(uint8_t *pkg, uint8_t len)
                 tmp_ble_buf[i++] = (_cng->output_mode) | (_cng->loopSafe_Timeout << 3);
                 tmp_ble_buf[i++] = _cng->exist_mode;
                 tmp_ble_buf[i++] = _cng->direction_mode;
-                tmp_ble_buf[i++] = (uint8_t)(g_loop_states.loop_unit[j].loop_CAPVD & 0xFF);
-                tmp_ble_buf[i++] = (uint8_t)((g_loop_states.loop_unit[j].loop_CAPVD >> 8) & 0xFF);
-                tmp_ble_buf[i++] = (uint8_t)((g_loop_states.loop_unit[j].loop_CAPVD >> 16) & 0xFF);
+                // 上报频率 = sclk_freq * input_div * LPCNT / CAPVD  (先乘后除避免精度损失)
+                uint32_t _freq = 0;
+                if (g_loop_states.loop_unit[j].loop_LPCNT > 0 && g_loop_states.loop_unit[j].loop_CAPVD > 0) {
+                    _freq = (uint32_t)((uint64_t)g_crm_clocks_freq_struct.sclk_freq * g_input_div
+                        * g_loop_states.loop_unit[j].loop_LPCNT / g_loop_states.loop_unit[j].loop_CAPVD);
+                }
+                tmp_ble_buf[i++] = (uint8_t)(_freq & 0xFF);
+                tmp_ble_buf[i++] = (uint8_t)((_freq >> 8) & 0xFF);
+                tmp_ble_buf[i++] = (uint8_t)((_freq >> 16) & 0xFF);
                 _cng++;
             }