diff --git a/README.md b/README.md
index 12f26ea..a3571e3 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,19 @@
 
 opb-sdk-java
 
+## 引入 opb-sdk-java
+
+从 Asset 页面下载jar包，并手动将jar包上传到私服
+
+依赖如下
+```xml
+        <dependency>
+            <groupId>com.github.bianjieai</groupId>
+            <artifactId>opb-sdk</artifactId>
+            <version>0.1.1</version>
+        </dependency>
+```
+
 ## Key Manger管理
 
 ### 0 新生成一个助记词(如果已有 私钥/keystore/助记词 忽略此步骤)
diff --git a/pom.xml b/pom.xml
index aad61cb..4d2a9a0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
     <groupId>com.github.bianjieai</groupId>
     <artifactId>opb-sdk</artifactId>
-    <version>0.11</version>
+    <version>0.1.1</version>
     <url>https://github.com/bianjieai/opb-sdk-java</url>
     <name>irita-sdk</name>
     <licenses>
diff --git a/src/main/java/irita/sdk/client/BaseClient.java b/src/main/java/irita/sdk/client/BaseClient.java
index fae32ef..5827bef 100644
--- a/src/main/java/irita/sdk/client/BaseClient.java
+++ b/src/main/java/irita/sdk/client/BaseClient.java
@@ -76,7 +76,7 @@ public String buildTxHash(List<GeneratedMessageV3> msgs, BaseTx baseTx, Account
 
     public Account queryAccount(BaseTx baseTx) {
         if (!km.getKeyDAO().has(baseTx.getFrom())) {
-            throw new IritaSDKException(String.format("name %s has existed in keyDao", baseTx.getFrom()));
+            throw new IritaSDKException(String.format("name %s hasn't existed in keyDao", baseTx.getFrom()));
         }
         KeyInfo keyInfo = km.getKeyDAO().read(baseTx.getFrom(), baseTx.getPassword());
         return queryAccount(keyInfo.getAddress());