diff --git a/server/README.md b/server/README.md
index 527a501..4f8ed41 100644
--- a/server/README.md
+++ b/server/README.md
@@ -9,7 +9,7 @@ Private server is a runtime that any user can deploy and access it with IRext re
 - A Linux OS is preferred
 
 ### Deploy
-- Fetch or compile libirda_decoder.so out of source code of irext/core.
+- Fetch or compile libirdecode_jni.so out of source code of irext/core.
 - Run following command when you fetched or compiled the private-server.jar out of the private server Spring-Boot project.
 
 ```shell script
diff --git a/server/decode_core/libir_decoder.so b/server/decode_core/libir_decoder.so
deleted file mode 100755
index 513f8be..0000000
Binary files a/server/decode_core/libir_decoder.so and /dev/null differ
diff --git a/server/decode_core/libirdecode_jni.so b/server/decode_core/libirdecode_jni.so
new file mode 100755
index 0000000..108c74b
Binary files /dev/null and b/server/decode_core/libirdecode_jni.so differ
diff --git a/server/package/private-server-0.2.6.jar b/server/package/private-server-1.5.0.jar
similarity index 67%
rename from server/package/private-server-0.2.6.jar
rename to server/package/private-server-1.5.0.jar
index 59521e4..299f57a 100644
Binary files a/server/package/private-server-0.2.6.jar and b/server/package/private-server-1.5.0.jar differ
diff --git a/server/src/main/java/net/irext/decode/sdk/IRDecode.java b/server/src/main/java/net/irext/decode/sdk/IRDecode.java
index 51528af..23c2c6a 100644
--- a/server/src/main/java/net/irext/decode/sdk/IRDecode.java
+++ b/server/src/main/java/net/irext/decode/sdk/IRDecode.java
@@ -54,7 +54,7 @@ public class IRDecode {
     }
 
     private IRDecode() {
-        String libPath = "/data/irext/libir_decoder.so";
+        String libPath = "/data/irext/libirdecode_jni.so";
         LoggerUtil.getInstance().trace(TAG, "loading server library " + libPath);
         System.load(libPath);
     }
diff --git a/server/src/main/java/net/irext/decode/sdk/libs/libirda_decoder.so b/server/src/main/java/net/irext/decode/sdk/libs/libirda_decoder.so
deleted file mode 100644
index 52936f9..0000000
Binary files a/server/src/main/java/net/irext/decode/sdk/libs/libirda_decoder.so and /dev/null differ
diff --git a/server/src/main/java/net/irext/decode/sdk/libs/libirdecode_jni.so b/server/src/main/java/net/irext/decode/sdk/libs/libirdecode_jni.so
new file mode 100755
index 0000000..108c74b
Binary files /dev/null and b/server/src/main/java/net/irext/decode/sdk/libs/libirdecode_jni.so differ