diff --git a/module_base/build.gradle b/module_base/build.gradle
index 469b3ee..d598af2 100644
--- a/module_base/build.gradle
+++ b/module_base/build.gradle
@@ -152,11 +152,11 @@ dependencies {
     api 'me.jessyan:autosize:1.2.+'
 
     // 佳博打印SDK
-    api('com.gainscha:sdk2:2.0.3@aar') {
-        exclude group: 'com.jcraft'
-    }
-//    api(name: 'sdk2-2.1.6-20250901.051214-1', ext: 'aar') {
-//    api(name: 'sdk2-2.0.3', ext: 'aar') {
+//    api('com.gainscha:sdk2:2.0.3@aar') {
 //        exclude group: 'com.jcraft'
 //    }
+//    api(name: 'sdk2-2.1.6-20250901.051214-1', ext: 'aar') {
+    api(name: 'sdk2-2.0.4', ext: 'aar') {
+        exclude group: 'com.jcraft'
+    }
 }
\ No newline at end of file
diff --git a/module_base/libs/sdk2-2.0.3.aar b/module_base/libs/sdk2-2.0.3.aar
deleted file mode 100644
index 9d74f95..0000000
Binary files a/module_base/libs/sdk2-2.0.3.aar and /dev/null differ
diff --git a/module_base/libs/sdk2-2.0.4.aar b/module_base/libs/sdk2-2.0.4.aar
new file mode 100644
index 0000000..e542ada
Binary files /dev/null and b/module_base/libs/sdk2-2.0.4.aar differ
diff --git a/module_base/libs/sdk2-2.1.6-20250901.051214-1.aar b/module_base/libs/sdk2-2.1.6-20250901.051214-1.aar
deleted file mode 100644
index 9d74f95..0000000
Binary files a/module_base/libs/sdk2-2.1.6-20250901.051214-1.aar and /dev/null differ
diff --git a/module_base/src/main/java/com/lukouguoji/module_base/util/PrinterUtils.kt b/module_base/src/main/java/com/lukouguoji/module_base/util/PrinterUtils.kt
index 0c87437..cb0c681 100644
--- a/module_base/src/main/java/com/lukouguoji/module_base/util/PrinterUtils.kt
+++ b/module_base/src/main/java/com/lukouguoji/module_base/util/PrinterUtils.kt
@@ -567,7 +567,7 @@ object PrinterUtils {
 
     fun printTest() {
         getConnectedPrinters().forEach {
-            val bytes = v(Instruction.TSC.toString(), null).bytes
+            val bytes = v(Instruction.TSC).bytes
             showLog("打印测试页 - ${it.printerDevice.printerName} \n${bytes.commonToUtf8String()}")
             it.print(bytes, null)
         }