diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2850fa22fee06864aebcd8f76550697ae199cdf3..2299a6702e15db6fe19ab61b94c4a20d0796e52a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,4 @@
+* `20/10/28` [add] Fix BusUtils ConcurrentModificationException. Publish v1.30.3.
 * `20/10/27` [add] Fix AppUtils#getAppSignatures. Add DeviceUtils#isDevelopmentSettingsEnabled. Publish v1.30.2.
 * `20/10/26` [add] Fix AppUtils#isAppForeground. Publish v1.30.1.
 * `20/10/24` [add] Publish v1.30.0.
diff --git a/buildSrc/src/main/groovy/Config.groovy b/buildSrc/src/main/groovy/Config.groovy
index c707febcbdcb1927bf22132b6d8daf73f03687e4..e41d37e9b8461a60c12add569bf74269dee98062 100644
--- a/buildSrc/src/main/groovy/Config.groovy
+++ b/buildSrc/src/main/groovy/Config.groovy
@@ -14,8 +14,8 @@ class Config {
     static compileSdkVersion = 29
     static minSdkVersion = 14
     static targetSdkVersion = 29
-    static versionCode = 1_030_002
-    static versionName = '1.30.2'// E.g. 1.9.72 => 1,009,072
+    static versionCode = 1_030_003
+    static versionName = '1.30.3'// E.g. 1.9.72 => 1,009,072
 
     // lib version
     static gradlePluginVersion = '3.5.0'
diff --git a/lib/utilcode/README-CN.md b/lib/utilcode/README-CN.md
index 15f6af497037f11ee55cbd7552694088032fde22..edfdcb3815f5eca6482eabfa293e4217d49bc26e 100644
--- a/lib/utilcode/README-CN.md
+++ b/lib/utilcode/README-CN.md
@@ -2,10 +2,10 @@
 
 Gradle:
 ```groovy
-implementation 'com.blankj:utilcode:1.30.2'
+implementation 'com.blankj:utilcode:1.30.3'
 
 // if u use AndroidX, use the following
-implementation 'com.blankj:utilcodex:1.30.2'
+implementation 'com.blankj:utilcodex:1.30.3'
 ```
 
 
diff --git a/lib/utilcode/README.md b/lib/utilcode/README.md
index f85e0b5fac283a6f7b226068ff8b642007f60f2f..71ec0bcd3d0aa3c0c7051bfad22f3553f42bae8a 100644
--- a/lib/utilcode/README.md
+++ b/lib/utilcode/README.md
@@ -2,10 +2,10 @@
 
 Gradle:
 ```groovy
-implementation 'com.blankj:utilcode:1.30.2'
+implementation 'com.blankj:utilcode:1.30.3'
 
 // if u use AndroidX, use the following
-implementation 'com.blankj:utilcodex:1.30.2'
+implementation 'com.blankj:utilcodex:1.30.3'
 ```
 
 
diff --git a/lib/utilcode/src/main/java/com/blankj/utilcode/util/BusUtils.java b/lib/utilcode/src/main/java/com/blankj/utilcode/util/BusUtils.java
index adb88cc6973754ff32ce4f15a1e57362a9f41676..0eb9ec86fabfa9903ac075696717f1769ae538c3 100644
--- a/lib/utilcode/src/main/java/com/blankj/utilcode/util/BusUtils.java
+++ b/lib/utilcode/src/main/java/com/blankj/utilcode/util/BusUtils.java
@@ -8,7 +8,6 @@ import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
-import java.util.HashMap;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
@@ -357,7 +356,7 @@ public final class BusUtils {
             synchronized (mClassName_Tag_Arg4StickyMap) {
                 Map<String, Object> tagArgMap = mClassName_Tag_Arg4StickyMap.get(busInfo.className);
                 if (tagArgMap == null) {
-                    tagArgMap = new HashMap<>();
+                    tagArgMap = new ConcurrentHashMap<>();
                     mClassName_Tag_Arg4StickyMap.put(busInfo.className, tagArgMap);
                 }
                 tagArgMap.put(tag, arg);
diff --git a/lib/utilcode/src/test/java/com/blankj/utilcode/util/ObjectUtilsTest.java b/lib/utilcode/src/test/java/com/blankj/utilcode/util/ObjectUtilsTest.java
index 234973ef5b22a262989ca290ca9e6f036114fb51..a0203f78fcac60edd5e41641d95385c143f4c402 100644
--- a/lib/utilcode/src/test/java/com/blankj/utilcode/util/ObjectUtilsTest.java
+++ b/lib/utilcode/src/test/java/com/blankj/utilcode/util/ObjectUtilsTest.java
@@ -2,8 +2,6 @@ package com.blankj.utilcode.util;
 
 import android.support.v4.util.LongSparseArray;
 import android.support.v4.util.SimpleArrayMap;
-import android.text.Editable;
-import android.text.SpannableStringBuilder;
 import android.util.SparseArray;
 import android.util.SparseBooleanArray;
 import android.util.SparseIntArray;
diff --git a/lib/utildebug/build.gradle b/lib/utildebug/build.gradle
index 8a06562880a522d9ab7badf1c00591e75a129147..04ea90802f1db2b963cf5fcb262fa48e7a728494 100644
--- a/lib/utildebug/build.gradle
+++ b/lib/utildebug/build.gradle
@@ -1,3 +1,7 @@
+afterEvaluate {
+    verifyReleaseResources.enabled(false)
+}
+
 dependencies {
     implementation Config.depConfig.lib_utilcode.dep
     implementation Config.depConfig.swipe_panel.dep