diff --git a/web-sdk/.gitignore b/web-sdk/.gitignore
index 56dcc1d..381208b 100644
--- a/web-sdk/.gitignore
+++ b/web-sdk/.gitignore
@@ -45,4 +45,4 @@ log/
 *.swp
 
 # Asc files (e.g., GPG signatures)
-*.asc
\ No newline at end of file
+*.asc
diff --git a/web-sdk/README.md b/web-sdk/README.md
index ec58564..24c2105 100644
--- a/web-sdk/README.md
+++ b/web-sdk/README.md
@@ -1,12 +1,21 @@
 ## Usage
 
 ### 1. Register your APP
-Register your APP on irext SDK console [irext SDK console](http://site.irext.net), (You need to register an irext account first
+Register your APP on irext SDK console [irext SDK console](http://site.irext.net), (You need to register an irext account first.
 
-While your APP is registered, you can see the APP key and APP secret in your APP list
+While your APP is registered, you can see the APP key and APP secret in your APP list.
 
 ### 2. Import the SDK
-You can either import this project or download the web-api .jar file from [Java SDK](http://irext-lib-releaese.oss-cn-hangzhou.aliyuncs.com/decode/0.1.2/web-api-java-0.1.2.jar) and import to your project
+Import the SDK package in your maven project by adding following lines to pom.xml and sync the maven project.
+```xml
+<dependency>
+    <groupId>net.irext.webapi</groupId>
+    <artifactId>irext-webapi</artifactId>
+    <version>1.5.1</version>
+</dependency>
+```
+
+
 
 ### 3. Use the SDK
 
diff --git a/web-sdk/dependency-reduced-pom.xml b/web-sdk/dependency-reduced-pom.xml
deleted file mode 100644
index 13ce805..0000000
--- a/web-sdk/dependency-reduced-pom.xml
+++ /dev/null
@@ -1,43 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
-  <modelVersion>4.0.0</modelVersion>
-  <groupId>net.irext.webapi</groupId>
-  <artifactId>irext-webapi</artifactId>
-  <name>irext-remote-index</name>
-  <version>1.5.0</version>
-  <description>Indexing API for IRext remote controller</description>
-  <build>
-    <plugins>
-      <plugin>
-        <artifactId>maven-compiler-plugin</artifactId>
-        <version>3.11.0</version>
-        <configuration>
-          <source>${maven.compiler.source}</source>
-          <target>${maven.compiler.target}</target>
-        </configuration>
-      </plugin>
-      <plugin>
-        <artifactId>maven-shade-plugin</artifactId>
-        <version>3.5.1</version>
-        <executions>
-          <execution>
-            <phase>package</phase>
-            <goals>
-              <goal>shade</goal>
-            </goals>
-            <configuration>
-              <outputFile>${project.build.directory}/${project.artifactId}-shaded.jar</outputFile>
-            </configuration>
-          </execution>
-        </executions>
-      </plugin>
-    </plugins>
-  </build>
-  <properties>
-    <maven.compiler.target>1.8</maven.compiler.target>
-    <okhttp.version>4.12.0</okhttp.version>
-    <gson.version>2.10.1</gson.version>
-    <maven.compiler.source>1.8</maven.compiler.source>
-    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-  </properties>
-</project>
diff --git a/web-sdk/pom.xml b/web-sdk/pom.xml
index 92e8325..0f3a2cf 100644
--- a/web-sdk/pom.xml
+++ b/web-sdk/pom.xml
@@ -89,43 +89,6 @@
                     </execution>
                 </executions>
             </plugin>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-javadoc-plugin</artifactId>
-                <version>3.6.3</version>
-                <executions>
-                    <execution>
-                        <id>attach-javadocs</id>
-                        <goals>
-                            <goal>jar</goal>
-                        </goals>
-                    </execution>
-                </executions>
-            </plugin>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-gpg-plugin</artifactId>
-                <version>3.2.1</version>
-                <executions>
-                    <execution>
-                        <id>sign-artifacts</id>
-                        <phase>verify</phase>
-                        <goals>
-                            <goal>sign</goal>
-                        </goals>
-                    </execution>
-                </executions>
-            </plugin>
-            <plugin>
-                <groupId>org.sonatype.central</groupId>
-                <artifactId>central-publishing-maven-plugin</artifactId>
-                <version>0.9.0</version>
-                <extensions>true</extensions>
-                <configuration>
-                    <publishingServerId>central</publishingServerId>
-                </configuration>
-            </plugin>
-
         </plugins>
     </build>
 </project>
\ No newline at end of file
diff --git a/web-sdk/target/maven-status/maven-compiler-plugin/compile/default-compile/createdFiles.lst b/web-sdk/target/maven-status/maven-compiler-plugin/compile/default-compile/createdFiles.lst
deleted file mode 100644
index 1379c1e..0000000
--- a/web-sdk/target/maven-status/maven-compiler-plugin/compile/default-compile/createdFiles.lst
+++ /dev/null
@@ -1,52 +0,0 @@
-net/irext/webapi/bean/ACStatus.class
-net/irext/webapi/WebAPICallbacks$ListProvincesCallback.class
-net/irext/webapi/WebAPICallbacks$ListAreasCallback.class
-net/irext/webapi/request/ListOperatorsRequest.class
-net/irext/webapi/utils/Constants$ACSwing.class
-net/irext/webapi/utils/Constants$BinaryType.class
-net/irext/webapi/model/RemoteIndex.class
-net/irext/webapi/WebAPIs.class
-net/irext/webapi/model/ACParameters.class
-net/irext/webapi/request/ListIndexesRequest.class
-net/irext/webapi/request/ListBrandsRequest.class
-net/irext/webapi/response/BrandsResponse.class
-net/irext/webapi/response/OperatorsResponse.class
-net/irext/webapi/utils/Constants$ACPower.class
-net/irext/webapi/request/AppSignInRequest.class
-net/irext/webapi/model/City.class
-net/irext/webapi/response/IndexesResponse.class
-net/irext/webapi/WebAPICallbacks$ListPopularBrandsCallback.class
-net/irext/webapi/request/ListCategoriesRequest.class
-net/irext/webapi/WebAPICallbacks.class
-net/irext/webapi/WebAPICallbacks$ListPopularCitiesCallback.class
-net/irext/webapi/response/DecodeResponse.class
-net/irext/webapi/request/BaseRequest.class
-net/irext/webapi/WebAPICallbacks$ListOperatersCallback.class
-net/irext/webapi/utils/Constants$ACMode.class
-net/irext/webapi/model/Category.class
-net/irext/webapi/WebAPICallbacks$ListCitiesCallback.class
-net/irext/webapi/WebAPICallbacks$ListCategoriesCallback.class
-net/irext/webapi/bean/TemperatureRange.class
-net/irext/webapi/WebAPICallbacks$ListBrandsCallback.class
-net/irext/webapi/response/CategoriesResponse.class
-net/irext/webapi/utils/Constants$ACWindSpeed.class
-net/irext/webapi/utils/Constants$CategoryID.class
-net/irext/webapi/utils/Constants$ACFunction.class
-net/irext/webapi/response/ACParametersResponse.class
-net/irext/webapi/request/GetACParametersRequest.class
-net/irext/webapi/model/Brand.class
-net/irext/webapi/WebAPICallbacks$SignInCallback.class
-net/irext/webapi/response/CitiesResponse.class
-net/irext/webapi/request/DownloadBinaryRequest.class
-net/irext/webapi/WebAPICallbacks$ListIndexesCallback.class
-net/irext/webapi/request/ListCitiesRequest.class
-net/irext/webapi/response/LoginResponse.class
-net/irext/webapi/request/DecodeRequest.class
-net/irext/webapi/utils/Constants.class
-net/irext/webapi/model/StbOperator.class
-net/irext/webapi/model/UserApp.class
-net/irext/webapi/utils/Constants$ACTemperature.class
-net/irext/webapi/response/Status.class
-net/irext/webapi/utils/MD5Digest.class
-net/irext/webapi/response/ServiceResponse.class
-net/irext/webapi/WebAPICallbacks$DownloadBinCallback.class
diff --git a/web-sdk/target/maven-status/maven-compiler-plugin/compile/default-compile/inputFiles.lst b/web-sdk/target/maven-status/maven-compiler-plugin/compile/default-compile/inputFiles.lst
deleted file mode 100644
index e7b0aba..0000000
--- a/web-sdk/target/maven-status/maven-compiler-plugin/compile/default-compile/inputFiles.lst
+++ /dev/null
@@ -1,33 +0,0 @@
-/home/strawmanbobi/Develop/project/irext/index-api/web-sdk/src/main/java/net/irext/webapi/request/ListOperatorsRequest.java
-/home/strawmanbobi/Develop/project/irext/index-api/web-sdk/src/main/java/net/irext/webapi/request/GetACParametersRequest.java
-/home/strawmanbobi/Develop/project/irext/index-api/web-sdk/src/main/java/net/irext/webapi/WebAPICallbacks.java
-/home/strawmanbobi/Develop/project/irext/index-api/web-sdk/src/main/java/net/irext/webapi/response/ServiceResponse.java
-/home/strawmanbobi/Develop/project/irext/index-api/web-sdk/src/main/java/net/irext/webapi/bean/ACStatus.java
-/home/strawmanbobi/Develop/project/irext/index-api/web-sdk/src/main/java/net/irext/webapi/request/DecodeRequest.java
-/home/strawmanbobi/Develop/project/irext/index-api/web-sdk/src/main/java/net/irext/webapi/response/CategoriesResponse.java
-/home/strawmanbobi/Develop/project/irext/index-api/web-sdk/src/main/java/net/irext/webapi/request/DownloadBinaryRequest.java
-/home/strawmanbobi/Develop/project/irext/index-api/web-sdk/src/main/java/net/irext/webapi/model/Category.java
-/home/strawmanbobi/Develop/project/irext/index-api/web-sdk/src/main/java/net/irext/webapi/model/StbOperator.java
-/home/strawmanbobi/Develop/project/irext/index-api/web-sdk/src/main/java/net/irext/webapi/WebAPIs.java
-/home/strawmanbobi/Develop/project/irext/index-api/web-sdk/src/main/java/net/irext/webapi/response/OperatorsResponse.java
-/home/strawmanbobi/Develop/project/irext/index-api/web-sdk/src/main/java/net/irext/webapi/utils/Constants.java
-/home/strawmanbobi/Develop/project/irext/index-api/web-sdk/src/main/java/net/irext/webapi/model/ACParameters.java
-/home/strawmanbobi/Develop/project/irext/index-api/web-sdk/src/main/java/net/irext/webapi/response/BrandsResponse.java
-/home/strawmanbobi/Develop/project/irext/index-api/web-sdk/src/main/java/net/irext/webapi/response/LoginResponse.java
-/home/strawmanbobi/Develop/project/irext/index-api/web-sdk/src/main/java/net/irext/webapi/response/CitiesResponse.java
-/home/strawmanbobi/Develop/project/irext/index-api/web-sdk/src/main/java/net/irext/webapi/response/Status.java
-/home/strawmanbobi/Develop/project/irext/index-api/web-sdk/src/main/java/net/irext/webapi/model/UserApp.java
-/home/strawmanbobi/Develop/project/irext/index-api/web-sdk/src/main/java/net/irext/webapi/model/RemoteIndex.java
-/home/strawmanbobi/Develop/project/irext/index-api/web-sdk/src/main/java/net/irext/webapi/request/ListIndexesRequest.java
-/home/strawmanbobi/Develop/project/irext/index-api/web-sdk/src/main/java/net/irext/webapi/request/AppSignInRequest.java
-/home/strawmanbobi/Develop/project/irext/index-api/web-sdk/src/main/java/net/irext/webapi/request/ListCategoriesRequest.java
-/home/strawmanbobi/Develop/project/irext/index-api/web-sdk/src/main/java/net/irext/webapi/request/BaseRequest.java
-/home/strawmanbobi/Develop/project/irext/index-api/web-sdk/src/main/java/net/irext/webapi/bean/TemperatureRange.java
-/home/strawmanbobi/Develop/project/irext/index-api/web-sdk/src/main/java/net/irext/webapi/model/City.java
-/home/strawmanbobi/Develop/project/irext/index-api/web-sdk/src/main/java/net/irext/webapi/response/DecodeResponse.java
-/home/strawmanbobi/Develop/project/irext/index-api/web-sdk/src/main/java/net/irext/webapi/response/IndexesResponse.java
-/home/strawmanbobi/Develop/project/irext/index-api/web-sdk/src/main/java/net/irext/webapi/model/Brand.java
-/home/strawmanbobi/Develop/project/irext/index-api/web-sdk/src/main/java/net/irext/webapi/request/ListBrandsRequest.java
-/home/strawmanbobi/Develop/project/irext/index-api/web-sdk/src/main/java/net/irext/webapi/response/ACParametersResponse.java
-/home/strawmanbobi/Develop/project/irext/index-api/web-sdk/src/main/java/net/irext/webapi/request/ListCitiesRequest.java
-/home/strawmanbobi/Develop/project/irext/index-api/web-sdk/src/main/java/net/irext/webapi/utils/MD5Digest.java
diff --git a/web-sdk/web-sdk.iml b/web-sdk/web-sdk.iml
deleted file mode 100644
index fb8e866..0000000
--- a/web-sdk/web-sdk.iml
+++ /dev/null
@@ -1,12 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<module type="JAVA_MODULE" version="4">
-  <component name="NewModuleRootManager" inherit-compiler-output="true">
-    <exclude-output />
-    <content url="file://$MODULE_DIR$">
-      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
-    </content>
-    <orderEntry type="inheritedJdk" />
-    <orderEntry type="sourceFolder" forTests="false" />
-    <orderEntry type="library" name="lib" level="project" />
-  </component>
-</module>
\ No newline at end of file