diff --git a/.github/workflows/version-check.yml b/.github/workflows/version-check.yml
new file mode 100644
index 00000000..7104ef3d
--- /dev/null
+++ b/.github/workflows/version-check.yml
@@ -0,0 +1,20 @@
+name: Android SDK Version Check
+on:
+  push:
+    tags:
+      - "v[0-9]+.[0-9]+.[0-9]+"
+jobs:
+  linux:
+    name: Version Check
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+      - name: Set env
+        run: echo "RELEASE_VERSION=${GITHUB_REF#refs/*/v}" >> $GITHUB_ENV
+      - name: Check
+        run: |
+          set -e
+          grep -qF "## ${RELEASE_VERSION}" CHANGELOG.md
+          grep -qF "${RELEASE_VERSION}" README.md
+          grep -qF "public static final String VERSION = \"${RELEASE_VERSION}\";" library/src/main/java/com/qiniu/android/common/Constants.java
diff --git a/gradle.properties b/gradle.properties
index 53f812a1..0531fb47 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,5 +1,4 @@
 android.useAndroidX=true
-android.disableAutomaticComponentCreation=true
 
 VERSION_NAME=
 VERSION_CODE=
diff --git a/library/src/main/java/com/qiniu/android/common/AutoZone.java b/library/src/main/java/com/qiniu/android/common/AutoZone.java
index 39e787d1..07205945 100644
--- a/library/src/main/java/com/qiniu/android/common/AutoZone.java
+++ b/library/src/main/java/com/qiniu/android/common/AutoZone.java
@@ -6,6 +6,7 @@
 import com.qiniu.android.http.request.RequestTransaction;
 import com.qiniu.android.storage.Configuration;
 import com.qiniu.android.storage.UpToken;
+import com.qiniu.android.storage.UploadOptions;
 import com.qiniu.android.utils.Cache;
 import com.qiniu.android.utils.ListUtils;
 import com.qiniu.android.utils.SingleFlight;
@@ -135,7 +136,15 @@ public void preQuery(final UpToken token, final QueryHandler completeHandler) {
             @Override
             public void complete(ResponseInfo responseInfo, UploadRegionRequestMetrics metrics, ZonesInfo zonesInfo) {
                 if (completeHandler != null) {
-                    completeHandler.complete(responseInfo != null ? responseInfo.statusCode : ResponseInfo.NetworkError, responseInfo, metrics);
+                    int code = ResponseInfo.NetworkError;
+                    if (responseInfo != null) {
+                        if (responseInfo.isOK()) {
+                            code = 0;
+                        } else {
+                            code = responseInfo.statusCode;
+                        }
+                    }
+                    completeHandler.complete(code, responseInfo, metrics);
                 }
             }
         });
@@ -258,8 +267,10 @@ private String makeCacheKey(Configuration configuration, String akAndBucket) {
 
     private RequestTransaction createUploadRequestTransaction(Configuration configuration, UpToken token) {
         List<String> hosts = getUcServerList();
-
-        RequestTransaction transaction = new RequestTransaction(configuration, null,
+        if (configuration == null) {
+            configuration = new Configuration.Builder().build();
+        }
+        RequestTransaction transaction = new RequestTransaction(configuration, UploadOptions.defaultOptions(),
                 hosts, ZoneInfo.EmptyRegionId, null, token);
         transactions.add(transaction);
         return transaction;
diff --git a/library/src/main/java/com/qiniu/android/http/request/HttpRegionRequest.java b/library/src/main/java/com/qiniu/android/http/request/HttpRegionRequest.java
index 9071ebfa..bcee5798 100644
--- a/library/src/main/java/com/qiniu/android/http/request/HttpRegionRequest.java
+++ b/library/src/main/java/com/qiniu/android/http/request/HttpRegionRequest.java
@@ -91,7 +91,7 @@ private void performRequest(final IUploadServer server,
                                 final RequestProgressHandler progressHandler,
                                 final RequestCompleteHandler completeHandler) {
 
-        if (server == null || server.getHost() == null || server.getHost().length() == 0) {
+        if (server == null || StringUtils.isNullOrEmpty(server.getHost())) {
             ResponseInfo responseInfo = ResponseInfo.sdkInteriorError("server error");
             completeAction(responseInfo, null, completeHandler);
             return;
diff --git a/library/src/main/java/com/qiniu/android/http/request/HttpSingleRequest.java b/library/src/main/java/com/qiniu/android/http/request/HttpSingleRequest.java
index 81ff9266..1ece9646 100644
--- a/library/src/main/java/com/qiniu/android/http/request/HttpSingleRequest.java
+++ b/library/src/main/java/com/qiniu/android/http/request/HttpSingleRequest.java
@@ -86,7 +86,7 @@ private void retryRequest(final Request request,
             @Override
             public boolean checkCancel() {
                 boolean isCancelled = requestState.isUserCancel();
-                if (!isCancelled && uploadOption.cancellationSignal != null) {
+                if (!isCancelled && uploadOption != null && uploadOption.cancellationSignal != null) {
                     isCancelled = uploadOption.cancellationSignal.isCancelled();
                 }
                 return isCancelled;
diff --git a/library/src/main/java/com/qiniu/android/http/request/RequestTransaction.java b/library/src/main/java/com/qiniu/android/http/request/RequestTransaction.java
index b6f23209..fac9802f 100644
--- a/library/src/main/java/com/qiniu/android/http/request/RequestTransaction.java
+++ b/library/src/main/java/com/qiniu/android/http/request/RequestTransaction.java
@@ -129,7 +129,7 @@ private void initData(IUploadRegion targetRegion,
                           IUploadRegion currentRegion) {
 
         this.requestState = new UploadRequestState();
-        this.requestState.setCouldUseHttp3(config.requestClient != null);
+        this.requestState.setCouldUseHttp3(config != null && config.requestClient != null);
         this.requestInfo = new UploadRequestInfo();
         this.requestInfo.targetRegionId = targetRegion.getZoneInfo().getRegionId();
         this.requestInfo.currentRegionId = currentRegion.getZoneInfo().getRegionId();
diff --git a/library/src/main/java/com/qiniu/android/http/request/httpclient/SystemHttpClient.java b/library/src/main/java/com/qiniu/android/http/request/httpclient/SystemHttpClient.java
index 58f6347a..bc51a23b 100644
--- a/library/src/main/java/com/qiniu/android/http/request/httpclient/SystemHttpClient.java
+++ b/library/src/main/java/com/qiniu/android/http/request/httpclient/SystemHttpClient.java
@@ -501,7 +501,7 @@ private void handleResponse(Request request,
 
         if (responseBody == null) {
             errorMessage = response.message();
-        } else if (responseContentType(response) != "application/json") {
+        } else if (!responseContentType(response).equals("application/json")) {
             String responseString = new String(responseBody);
             if (!responseString.isEmpty()) {
                 try {