diff --git a/README.md b/README.md
index 0ef3a742..48b74f87 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 ## Tinker
 [![license](http://img.shields.io/badge/license-BSD3-brightgreen.svg?style=flat)](https://github.com/Tencent/tinker/blob/master/LICENSE)
-[![Release Version](https://img.shields.io/badge/release-1.7.2-red.svg)](https://github.com/Tencent/tinker/releases) 
+[![Release Version](https://img.shields.io/badge/release-1.7.3-red.svg)](https://github.com/Tencent/tinker/releases) 
 [![PRs Welcome](https://img.shields.io/badge/PRs-welcome-brightgreen.svg)](https://github.com/Tencent/tinker/pulls)
 [![WeChat Approved](https://img.shields.io/badge/Wechat_Approved-1.6.2-red.svg)](https://github.com/Tencent/tinker/wiki)
 
@@ -14,7 +14,7 @@ Add tinker-gradle-plugin as a dependency in your main `build.gradle` in the root
 ```gradle
 buildscript {
     dependencies {
-        classpath ('com.tencent.tinker:tinker-patch-gradle-plugin:1.7.2')
+        classpath ('com.tencent.tinker:tinker-patch-gradle-plugin:1.7.3')
     }
 }
 ```
@@ -24,9 +24,9 @@ Then you need to "apply" the plugin and add dependencies by adding the following
 ```gradle
 dependencies {
     //optional, help to generate the final application 
-    provided('com.tencent.tinker:tinker-android-anno:1.7.2')
+    provided('com.tencent.tinker:tinker-android-anno:1.7.3')
     //tinker's main Android lib
-    compile('com.tencent.tinker:tinker-android-lib:1.7.2') 
+    compile('com.tencent.tinker:tinker-android-lib:1.7.3') 
 }
 ...
 ...
diff --git a/gradle.properties b/gradle.properties
index 7cbb55f4..89e660e7 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -16,5 +16,5 @@
 # This option should only be used with decoupled projects. More details, visit
 # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
 # org.gradle.parallel=true
-VERSION_NAME_PREFIX=1.7.2
+VERSION_NAME_PREFIX=1.7.3
 VERSION_NAME_SUFFIX=
\ No newline at end of file
diff --git a/tinker-android/tinker-android-lib/src/main/java/com/tencent/tinker/lib/patch/DexDiffPatchInternal.java b/tinker-android/tinker-android-lib/src/main/java/com/tencent/tinker/lib/patch/DexDiffPatchInternal.java
index 256c73a8..eb385d90 100644
--- a/tinker-android/tinker-android-lib/src/main/java/com/tencent/tinker/lib/patch/DexDiffPatchInternal.java
+++ b/tinker-android/tinker-android-lib/src/main/java/com/tencent/tinker/lib/patch/DexDiffPatchInternal.java
@@ -182,6 +182,10 @@ private static boolean extractDexDiffInternals(Context context, String dir, Stri
                 String dexDiffMd5 = info.dexDiffMd5;
                 String oldDexCrc = info.oldDexCrC;
 
+                if (dexDiffMd5.equals("0") && !ShareTinkerInternals.isVmArt()) {
+                    TinkerLog.w(TAG, "patch dex %s is only for art, just continue", patchRealPath);
+                    continue;
+                }
                 String extractedFileMd5 = ShareTinkerInternals.isVmArt() ? info.destMd5InArt : info.destMd5InDvm;
 
                 if (!SharePatchFileUtil.checkIfMd5Valid(extractedFileMd5)) {
@@ -411,7 +415,7 @@ private static boolean extractDexToJar(ZipFile zipFile, ZipEntry entryFile, File
     private static void checkVmArtProperty() {
         boolean art = ShareTinkerInternals.isVmArt();
         if (!art && Build.VERSION.SDK_INT >= 21) {
-            throw new TinkerRuntimeException("it is dalvik vm, but sdk version " + Build.VERSION.SDK_INT + " is larger than 21");
+            throw new TinkerRuntimeException("it is dalvik vm, but sdk version " + Build.VERSION.SDK_INT + " is larger than 21!");
         }
     }
 
diff --git a/tinker-sample-android/gradle.properties b/tinker-sample-android/gradle.properties
index e608e456..eda0fddb 100644
--- a/tinker-sample-android/gradle.properties
+++ b/tinker-sample-android/gradle.properties
@@ -17,4 +17,4 @@
 # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
 # org.gradle.parallel=true
 
-TINKER_VERSION=1.7.2
+TINKER_VERSION=1.7.3