diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..3d82e88
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,83 @@
+# tc
+/.idea/*
+/build/*
+
+
+
+# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio, WebStorm and Rider
+# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
+
+# User-specific stuff
+.idea/**/workspace.xml
+.idea/**/tasks.xml
+.idea/**/usage.statistics.xml
+.idea/**/dictionaries
+.idea/**/shelf
+
+# AWS User-specific
+.idea/**/aws.xml
+
+# Generated files
+.idea/**/contentModel.xml
+
+# Sensitive or high-churn files
+.idea/**/dataSources/
+.idea/**/dataSources.ids
+.idea/**/dataSources.local.xml
+.idea/**/sqlDataSources.xml
+.idea/**/dynamic.xml
+.idea/**/uiDesigner.xml
+.idea/**/dbnavigator.xml
+
+# Gradle
+.idea/**/gradle.xml
+.idea/**/libraries
+
+# Gradle and Maven with auto-import
+# When using Gradle or Maven with auto-import, you should exclude module files,
+# since they will be recreated, and may cause churn.  Uncomment if using
+# auto-import.
+# .idea/artifacts
+# .idea/compiler.xml
+# .idea/jarRepositories.xml
+# .idea/modules.xml
+# .idea/*.iml
+# .idea/modules
+# *.iml
+# *.ipr
+
+# CMake
+cmake-build-*/
+
+# Mongo Explorer plugin
+.idea/**/mongoSettings.xml
+
+# File-based project format
+*.iws
+
+# IntelliJ
+out/
+
+# mpeltonen/sbt-idea plugin
+.idea_modules/
+
+# JIRA plugin
+atlassian-ide-plugin.xml
+
+# Cursive Clojure plugin
+.idea/replstate.xml
+
+# SonarLint plugin
+.idea/sonarlint/
+
+# Crashlytics plugin (for Android Studio and IntelliJ)
+com_crashlytics_export_strings.xml
+crashlytics.properties
+crashlytics-build.properties
+fabric.properties
+
+# Editor-based Rest Client
+.idea/httpRequests
+
+# Android studio 3.1+ serialized cache file
+.idea/caches/build_file_checksums.ser
diff --git a/samples/sample_c/platform/linux/manifold2/application/dji_sdk_app_info.h b/samples/sample_c/platform/linux/manifold2/application/dji_sdk_app_info.h
index 7330d8d..efe3881 100644
--- a/samples/sample_c/platform/linux/manifold2/application/dji_sdk_app_info.h
+++ b/samples/sample_c/platform/linux/manifold2/application/dji_sdk_app_info.h
@@ -35,12 +35,12 @@ extern "C" {
 /* Exported constants --------------------------------------------------------*/
 // ATTENTION: User must goto https://developer.dji.com/user/apps/#all to create your own dji sdk application, get dji sdk application
 // information then fill in the application information here.
-#define USER_APP_NAME               "your_app_name"
-#define USER_APP_ID                 "your_app_id"
-#define USER_APP_KEY                "your_app_key"
-#define USER_APP_LICENSE            "your_app_license"
-#define USER_DEVELOPER_ACCOUNT      "your_developer_account"
-#define USER_BAUD_RATE              "460800"
+#define USER_APP_NAME               "imager"
+#define USER_APP_ID                 "90210"
+#define USER_APP_KEY                "2c309ca22fb1e67cc166ccc9dc261f4"
+#define USER_APP_LICENSE            "JYdEUQRW5lsZANuJnMr9qGsD/1I3KyJL+es97f0qkC4QuCITbCjTIzQNkjk63nuShBtjtC4cCf9PdlLfGCGQWQ5rJDBURg9JbotJEXejpXJgTV/1Jq3ZAp9Jp7ajOhvClcKDzfOllPj/216BtYrC7G92CED39p4iUec5p4cG/ClHYAEKys+1cyHWufcV3COgqqCdxlveY0LlWXP44Q1e4vcFMfo4AqN4LghOO7fMdqsN6CLWNN0WEZu8GnU1TWzXAUE9uLjzqxH8WJLDJChBQvXdsxm/RTuER2mCu8NflMNDhnl+sWASiqTXJyZwN8gdu2fuDkU8umlhxQP+1Gk8ig=="
+#define USER_DEVELOPER_ACCOUNT      "735056338@qq.com"
+#define USER_BAUD_RATE              "115200"
 
 /* Exported types ------------------------------------------------------------*/
 
diff --git a/samples/sample_c/platform/linux/manifold2/hal/hal_network.h b/samples/sample_c/platform/linux/manifold2/hal/hal_network.h
index 302f8a9..3d1e830 100644
--- a/samples/sample_c/platform/linux/manifold2/hal/hal_network.h
+++ b/samples/sample_c/platform/linux/manifold2/hal/hal_network.h
@@ -42,7 +42,7 @@ extern "C" {
 #ifdef PLATFORM_ARCH_x86_64
 #define LINUX_NETWORK_DEV           "enxf8e43b7bbc2c"
 #else
-#define LINUX_NETWORK_DEV           "l4tbr0"
+#define LINUX_NETWORK_DEV           "eth1"
 #endif
 /**
  * @attention
diff --git a/samples/sample_c/platform/linux/manifold2/hal/hal_uart.h b/samples/sample_c/platform/linux/manifold2/hal/hal_uart.h
index f30a661..700e56b 100644
--- a/samples/sample_c/platform/linux/manifold2/hal/hal_uart.h
+++ b/samples/sample_c/platform/linux/manifold2/hal/hal_uart.h
@@ -45,7 +45,7 @@ extern "C" {
 
 /* Exported constants --------------------------------------------------------*/
 //User can config dev based on there environmental conditions
-#define LINUX_UART_DEV1    "/dev/ttyUSB0"
+#define LINUX_UART_DEV1    "/dev/ttyUSB1"
 #define LINUX_UART_DEV2    "/dev/ttyACM0"
 
 /* Exported types ------------------------------------------------------------*/