diff --git a/api/100J/HBY100-J.js b/api/100J/HBY100-J.js
index a99706e..3369ebb 100644
--- a/api/100J/HBY100-J.js
+++ b/api/100J/HBY100-J.js
@@ -209,12 +209,16 @@ class HBY100JProtocol {
                 if (this._fileResponseResolve) this._fileResponseResolve(result);
                 break;
             case 0x04: 
-                // 5.5 获取设备电源状态: 电池容量8B + 电压8B + 百分比1B + 车载电源1B + 续航时间2B(分钟)
+                // 5.5 获取设备电源状态: 容量8B + 电压8B + 百分比1B + 车载1B + 续航2B(分钟) + [充电状态1B] + FF
+                // 充电状态为固件新增，在续航之后；旧固件仅 20 字节 payload，不影响 [16..19] 字段
                 if (data.length >= 20) {
                     result.batteryPercentage = data[16];
                     result.vehiclePower = data[17];
                     result.batteryRemainingTime = data[18] | (data[19] << 8); // 小端序，单位分钟
                 }
+                if (data.length >= 21) {
+                    result.chargingStatus = data[20]; // 0未充电 1充电中 2已充满
+                }
                 break;
             case 0x06: 
                 // 06: 语音播报响应
diff --git a/pages/100J/HBY100-J.vue b/pages/100J/HBY100-J.vue
index d5cafbf..a28483f 100644
--- a/pages/100J/HBY100-J.vue
+++ b/pages/100J/HBY100-J.vue
@@ -1383,6 +1383,9 @@
 				if (parsedData.batteryRemainingTime !== undefined) {
 					this.$set(this.deviceInfo, 'batteryRemainingTime', parsedData.batteryRemainingTime);
 				}
+				if (parsedData.chargingStatus !== undefined) {
+					this.$set(this.deviceInfo, 'chargingStatus', parsedData.chargingStatus);
+				}