diff --git a/README.md b/README.md
index d571933..b67255a 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-sp-gen 即是 "Shared Preference Generator"。想法来源于GreenDao
+sp-gen 即是 "Shared Preference Generator"。想法来源于[GreenDao](https://github.com/greenrobot/greenDAO)
 
 用于生成Android中直接调用Shared preference的代码。
 主要目的:
@@ -17,7 +17,7 @@ sp-gen 即是 "Shared Preference Generator"。想法来源于GreenDao
 
 加入依赖
 
-`compile 'z.hol.spgen:sp-gen:1.0.2'`
+`compile 'z.hol.spgen:sp-gen:1.0.3'`
 
 引入jcenter仓库
 
@@ -42,7 +42,7 @@ repositories {
 }
 
 dependencies {
-    compile 'z.hol.spgen:sp-gen:1.0.1'
+    compile 'z.hol.spgen:sp-gen:1.0.3'
 }
 
 mainClassName = "z.hol.spgen.example.GenExample"
diff --git a/build.gradle b/build.gradle
index 2efd123..2b559d2 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,5 +1,5 @@
 group 'z.hol.spgen'
-version '1.0.2'
+version '1.0.3'
 
 apply plugin: 'java'
 
diff --git a/example/build.gradle b/example/build.gradle
index 856a735..45516b9 100644
--- a/example/build.gradle
+++ b/example/build.gradle
@@ -12,7 +12,7 @@ repositories {
 dependencies {
     testCompile group: 'junit', name: 'junit', version: '4.11'
 //    compile rootProject
-    compile 'z.hol.spgen:sp-gen:1.0.2'
+    compile 'z.hol.spgen:sp-gen:1.0.3'
 }
 
 mainClassName = "z.hol.spgen.example.GenExample"
diff --git a/example/src/main/java/z/hol/spgen/example/GenExample.java b/example/src/main/java/z/hol/spgen/example/GenExample.java
index a73c5d5..c539a87 100644
--- a/example/src/main/java/z/hol/spgen/example/GenExample.java
+++ b/example/src/main/java/z/hol/spgen/example/GenExample.java
@@ -1,8 +1,6 @@
 package z.hol.spgen.example;
 
-import z.hol.spgen.Rule;
-import z.hol.spgen.Schema;
-import z.hol.spgen.SpGenerator;
+import z.hol.spgen.*;
 
 import java.io.IOException;
 
@@ -23,16 +21,47 @@ public static void main(String[] args) throws IOException {
         r.addEntity("avatar_url").asBoolean();
         r.addEntity("tags").asStringSet();
 
+        DotParamIntercept dotParamIntercept = new DotParamIntercept();
         Rule r2 = schema.addRule("Setting", "app_setting");
+        r2.setParamKeyIntercept(dotParamIntercept);
         r2.setCanClear(true);
         r2.setComment("应用设置");
         r2.addEntity("first_launch").asBoolean().defaultValue(false);
         r2.addEntity("last_login_timestamp").asLong();
         r2.addEntity("price").asFloat().defaultValue(12.3F);
+        r2.addEntity("item.first").asString().defaultValue("one");
+        r2.addEntity("item.second").asString().defaultValue("two");
+        r2.addEntity("item.other").asString().defaultValue("many");
 
         SpGenerator generator = new SpGenerator();
         generator.generateAll(schema, "src-gen/");
 
     }
 
+    private static class DotParamIntercept implements TextIntercept {
+
+        public String intercept(String src) {
+            String result;
+            final String name = src;
+            int length = name.length();
+            StringBuilder sb = new StringBuilder(length);
+            boolean nextCap = false;
+            for (int i = 0; i < length; i++) {
+                char c = name.charAt(i);
+                if (c == '_' || c == '-' || c == '.') {
+                    nextCap = true;
+                    continue;
+                }
+                if (sb.length() > 0 && nextCap && c >= 'a' && c <= 'z') {
+                    c = Character.toUpperCase(c);
+                    nextCap = false;
+                }
+                sb.append(c);
+            }
+            result = sb.toString();
+            return result;
+        }
+    }
+
+
 }
diff --git a/publisher.gradle b/publisher.gradle
index 1d53813..0da2ccd 100644
--- a/publisher.gradle
+++ b/publisher.gradle
@@ -19,7 +19,7 @@ ext {
     libraryDescription = 'The code generator for shared preference in Android. '
     siteUrl = 'https://github.com/holmeszyx/sp-gen'
     gitUrl = 'git@github.com:holmeszyx/sp-gen.git'
-    libraryVersion = '1.0.2'
+    libraryVersion = '1.0.3'
     developerId = 'holmeszyx'
     developerName = 'holmes zhang'
     developerEmail = 'holmeszyx@gmail.com'