diff --git a/fakebalance/build.gradle b/fakebalance/build.gradle
index 495e9b4..ea69c27 100644
--- a/fakebalance/build.gradle
+++ b/fakebalance/build.gradle
@@ -7,14 +7,28 @@ android {
         applicationId "com.wuxiaosu.fakebalance"
         minSdkVersion 21
         targetSdkVersion 23
-        versionCode 1
-        versionName "1.0"
-
+        versionCode 2
+        versionName "1.01"
     }
 
     buildTypes {
         release {
-            minifyEnabled false
+            minifyEnabled true
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+
+            applicationVariants.all { variant ->
+                variant.outputs.all { output ->
+                    def oldFile = output.outputFile
+                    def newName = oldFile.name
+                    if (variant.buildType.name == 'release') {
+                        newName = oldFile.name.replace(".", "-v" + variant.versionName + '.')
+                    }
+                    outputFileName = newName
+                }
+            }
+        }
+        debug {
+            minifyEnabled true
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
         }
     }
diff --git a/fakebalance/proguard-rules.pro b/fakebalance/proguard-rules.pro
index f1b4245..f93bbb3 100644
--- a/fakebalance/proguard-rules.pro
+++ b/fakebalance/proguard-rules.pro
@@ -19,3 +19,5 @@
 # If you keep the line number information, uncomment this to
 # hide the original source file name.
 #-renamesourcefileattribute SourceFile
+-keep class com.wuxiaosu.fakebalance.Main { *; }
+-keep class com.wuxiaosu.fakebalance.MainActivity { *; }
diff --git a/fakebalance/src/main/java/com/wuxiaosu/fakebalance/Main.java b/fakebalance/src/main/java/com/wuxiaosu/fakebalance/Main.java
index 5010c70..7d84ad8 100644
--- a/fakebalance/src/main/java/com/wuxiaosu/fakebalance/Main.java
+++ b/fakebalance/src/main/java/com/wuxiaosu/fakebalance/Main.java
@@ -5,9 +5,6 @@
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager;
-import android.text.TextUtils;
-import android.util.Log;
-import android.widget.TextView;
 
 import com.wuxiaosu.fakebalance.hook.AliPayHook;
 import com.wuxiaosu.fakebalance.hook.TimHook;
diff --git a/fakebalance/src/main/java/com/wuxiaosu/fakebalance/util/NumberUtils.java b/fakebalance/src/main/java/com/wuxiaosu/fakebalance/util/NumberUtils.java
index 2b995a4..ebf8510 100644
--- a/fakebalance/src/main/java/com/wuxiaosu/fakebalance/util/NumberUtils.java
+++ b/fakebalance/src/main/java/com/wuxiaosu/fakebalance/util/NumberUtils.java
@@ -28,11 +28,11 @@ public static String num2num00(String number) {
      * @return
      */
     public static String num2num00WithComma(String number) {
-        String temp = num2num00(number);
-        if (temp.equals("0.00")) {
-            return temp;
-        }
         DecimalFormat df = new DecimalFormat("#,###.00");
-        return df.format(Double.valueOf(temp));
+        String result = df.format(Double.valueOf(num2num00(number)));
+        if (result.startsWith(".")) {
+            result = "0" + result;
+        }
+        return result;
     }
 }