diff --git a/HDFwear/Tools/BluetoothManager+Function.swift b/HDFwear/Tools/BluetoothManager+Function.swift
index 11b0574..e90b601 100644
--- a/HDFwear/Tools/BluetoothManager+Function.swift
+++ b/HDFwear/Tools/BluetoothManager+Function.swift
@@ -868,7 +868,7 @@ extension BluetoothManager {
     }
     
     private func parseContentFromBytes(_ bytes: [UInt8]) -> [UInt8] {
-        let contentLength = Int(bytes[9]) // 获取内容长度
+        let contentLength = Int(UInt16(bytes[8]) << 8 | UInt16(bytes[9])) // 获取内容长度
         guard bytes.count >= 10 + contentLength else {
             return [] // 如果字节数组长度不足以包含内容，返回空数组
         }
diff --git a/HDFwear/Tools/BluetoothManager+Plate.swift b/HDFwear/Tools/BluetoothManager+Plate.swift
new file mode 100644
index 0000000..e282e9c
--- /dev/null
+++ b/HDFwear/Tools/BluetoothManager+Plate.swift
@@ -0,0 +1,8 @@
+//
+//  BluetoothManager+Plate.swift
+//  HDFwear
+//
+//  Created by admin on 2024/3/5.
+//
+
+import Foundation