diff --git "a/app/libs/READERSDK\050JAVA\051_Common_V4.0.14.aar" "b/app/libs/READERSDK\050JAVA\051_Common_V4.0.14.aar"
deleted file mode 100644
index 5cf6cbb..0000000
--- "a/app/libs/READERSDK\050JAVA\051_Common_V4.0.14.aar"
+++ /dev/null
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diff --git "a/app/libs/READERSDK\050JAVA\051_Common_V4.0.14.aar" "b/app/libs/READERSDK\050JAVA\051_Common_V4.0.14.aar"
deleted file mode 100644
index 5cf6cbb..0000000
--- "a/app/libs/READERSDK\050JAVA\051_Common_V4.0.14.aar"
+++ /dev/null
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diff --git "a/app/libs/READERSDK\050JAVA\051_Common_V4.0.15.aar" "b/app/libs/READERSDK\050JAVA\051_Common_V4.0.15.aar"
new file mode 100644
index 0000000..77135df
--- /dev/null
+++ "b/app/libs/READERSDK\050JAVA\051_Common_V4.0.15.aar"
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diff --git "a/app/libs/READERSDK\050JAVA\051_Common_V4.0.14.aar" "b/app/libs/READERSDK\050JAVA\051_Common_V4.0.14.aar"
deleted file mode 100644
index 5cf6cbb..0000000
--- "a/app/libs/READERSDK\050JAVA\051_Common_V4.0.14.aar"
+++ /dev/null
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diff --git "a/app/libs/READERSDK\050JAVA\051_Common_V4.0.15.aar" "b/app/libs/READERSDK\050JAVA\051_Common_V4.0.15.aar"
new file mode 100644
index 0000000..77135df
--- /dev/null
+++ "b/app/libs/READERSDK\050JAVA\051_Common_V4.0.15.aar"
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diff --git a/app/src/main/java/com/casic/xz/meterage/utils/TagReaderHub.kt b/app/src/main/java/com/casic/xz/meterage/utils/TagReaderHub.kt
index 85287f9..51b94c9 100644
--- a/app/src/main/java/com/casic/xz/meterage/utils/TagReaderHub.kt
+++ b/app/src/main/java/com/casic/xz/meterage/utils/TagReaderHub.kt
@@ -11,12 +11,14 @@
 
 class TagReaderHub private constructor(context: Context) {
 
+    private val kTag = "TagReaderHub"
+
     companion object : BaseSingleton<Context, TagReaderHub>() {
         override val creator: (Context) -> TagReaderHub
             get() = ::TagReaderHub
     }
 
-    private var reader: CommonReader =
+    private var reader =
         CommonReader(context, "Reader1", GlobalData.ConnectType.RS232.toString(), "")
     private var isScanning = false
     private var dataMap = HashMap<String, String>()
@@ -67,10 +69,11 @@
     fun startScan() {
         try {
             val param = ScanTagParameter()
-            param.antenna = 1
+            val antenna = 1
+            param.antenna = 1 shl antenna - 1
             param.isLoop = true
-            param.tidParameter = ByteArray(2)
-            param.tidParameter = byteArrayOf(0, 4)
+            //0 表示从tid去第0 个字节开始读，8表示读8 个字长度 ，如果tid 有24个字节长度，需要把8 改为12
+            param.tidParameter = byteArrayOf(0, 12)
             dataMap.clear()
             reader.reader_Inventory(param, 0x00.toByte())
             isScanning = true