diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 2b56cb4..24e16e6 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -1,35 +1,31 @@
 name: Maven Central Repo Deployment
 # 当 release 的时候触发
+#on:
+#  release:
+#    types: [released]
 on:
-  release:
-    types: [released]
+  push:
+    branches: [ release ]
 jobs:
   publish:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+
+      - name: Checkout
+        uses: actions/checkout@v2
       - name: Set up Maven Central Repo
         uses: actions/setup-java@v1
         with:
           java-version: 1.8
           server-id: sonatype-nexus-staging
-          server-username: MAVEN_USERNAME
-          server-password: MAVEN_PASSWORD
-          gpg-passphrase: MAVEN_GPG_PASSPHRASE
-      - id: install-secret-key
-        name: Install GPG Secret Key
-        run: |
-          cat <(echo -e "${{ secrets.GPG_PUB }}") | gpg --batch --import
-          gpg --list-secret-keys --keyid-format LONG
-      - id: publish-to-central
-        name: Publish to Maven Central Repo
-        env:
-          MAVEN_USERNAME: ${{ secrets.OSSRH_USER }}
-          MAVEN_PASSWORD: ${{ secrets.OSSRH_PASSWORD }}
-          MAVEN_GPG_PASSPHRASE: ${{ secrets.GPG_PASSWORD }}
-        run: |
-          mvn \
-            --no-transfer-progress \
-            --batch-mode \
-            -Dgpg.passphrase=${{ secrets.GPG_PASSWORD }} \
-            clean deploy
+          server-username: ${{ secrets.OSSRH_USER }}
+          server-password: ${{ secrets.OSSRH_PASSWORD }}
+          gpg-passphrase:  ${{ secrets.GPG_PASSWORD }}
+      - name: Publish to Maven Central Repo
+        uses: samuelmeuli/action-maven-publish@v1
+        with:
+          gpg_private_key: ${{ secrets.GPG_SECRET }}
+          gpg_passphrase: ${{ secrets.GPG_PASSWORD }}
+          nexus_username: ${{ secrets.OSSRH_USER }}
+          nexus_password: ${{ secrets.OSSRH_PASSWORD }}
+          server-id: sonatype-nexus-staging
diff --git a/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/enumeration/CouponBgColor.java b/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/enumeration/CouponBgColor.java
index 1cb4b7b..b85ee46 100644
--- a/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/enumeration/CouponBgColor.java
+++ b/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/enumeration/CouponBgColor.java
@@ -29,64 +29,42 @@ public enum CouponBgColor {
     /**
      * Color 010 coupon bg color.
      */
-    COLOR010("#63B359"),
+    Color010,
     /**
      * Color 020 coupon bg color.
      */
-    COLOR020("#2C9F67"),
+    Color020,
     /**
      * Color 030 coupon bg color.
      */
-    COLOR030("#509FC9"),
+    Color030,
     /**
      * Color 040 coupon bg color.
      */
-    COLOR040("#5885CF"),
+    Color040,
     /**
      * Color 050 coupon bg color.
      */
-    COLOR050("#9062C0"),
+    Color050,
     /**
      * Color 060 coupon bg color.
      */
-    COLOR060("#D09A45"),
+    Color060,
     /**
      * Color 070 coupon bg color.
      */
-    COLOR070("#E4B138"),
+    Color070,
     /**
      * Color 080 coupon bg color.
      */
-    COLOR080("#EE903C"),
+    Color080,
     /**
      * Color 090 coupon bg color.
      */
-    COLOR090("#DD6549"),
+    Color090,
     /**
      * Color 100 coupon bg color.
      */
-    COLOR100("#CC463D");
+    Color100
 
-    /**
-     * The Color.
-     */
-    private final String color;
-
-    /**
-     * Instantiates a new Coupon bg color.
-     *
-     * @param color the color
-     */
-    CouponBgColor(String color) {
-        this.color = color;
-    }
-
-    /**
-     * Color string.
-     *
-     * @return the string
-     */
-    public String color() {
-        return this.color;
-    }
 }
diff --git a/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/v3/AbstractApi.java b/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/v3/AbstractApi.java
index 270339d..546c453 100644
--- a/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/v3/AbstractApi.java
+++ b/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/v3/AbstractApi.java
@@ -24,9 +24,9 @@ import cn.felord.payment.wechat.v3.model.FundFlowBillParams;
 import cn.felord.payment.wechat.v3.model.TradeBillParams;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.DeserializationFeature;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.PropertyNamingStrategy;
-import com.fasterxml.jackson.databind.module.SimpleModule;
 import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
 import org.springframework.core.io.Resource;
 import org.springframework.http.HttpHeaders;
@@ -88,10 +88,12 @@ public abstract class AbstractApi {
      * @param mapper the mapper
      */
     private void applyObjectMapper(ObjectMapper mapper) {
-        mapper.setPropertyNamingStrategy(PropertyNamingStrategy.SNAKE_CASE);
-        mapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
-        SimpleModule module = new JavaTimeModule();
-        mapper.registerModule(module);
+        mapper.setPropertyNamingStrategy(PropertyNamingStrategy.SNAKE_CASE)
+                .configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES,false)
+                // empty string error
+                .configure(DeserializationFeature.ACCEPT_EMPTY_STRING_AS_NULL_OBJECT, true)
+                .setSerializationInclusion(JsonInclude.Include.NON_NULL)
+                .registerModule(new JavaTimeModule());
     }
 
 
@@ -185,10 +187,11 @@ public abstract class AbstractApi {
         return RequestEntity.get(uri).header("Pay-TenantId", tenantId)
                 .build();
     }
+
     /**
      * 构建Get请求对象.
      *
-     * @param uri the uri
+     * @param uri         the uri
      * @param httpHeaders the http headers
      * @return the request entity
      */
diff --git a/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/v3/WechatPayCallback.java b/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/v3/WechatPayCallback.java
index 989675a..77d41df 100644
--- a/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/v3/WechatPayCallback.java
+++ b/payment-spring-boot-autoconfigure/src/main/java/cn/felord/payment/wechat/v3/WechatPayCallback.java
@@ -34,7 +34,6 @@ import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.DeserializationFeature;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.PropertyNamingStrategy;
-import com.fasterxml.jackson.databind.module.SimpleModule;
 import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
 import lombok.SneakyThrows;
 import lombok.extern.slf4j.Slf4j;
@@ -72,11 +71,11 @@ public class WechatPayCallback {
     private final String tenantId;
 
     static {
-        MAPPER.setPropertyNamingStrategy(PropertyNamingStrategy.SNAKE_CASE);
-        MAPPER.setSerializationInclusion(JsonInclude.Include.NON_NULL);
-        MAPPER.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES,false);
-        SimpleModule module = new JavaTimeModule();
-        MAPPER.registerModule(module);
+        MAPPER.setPropertyNamingStrategy(PropertyNamingStrategy.SNAKE_CASE)
+                .setSerializationInclusion(JsonInclude.Include.NON_NULL)
+                .configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES,false)
+                .configure(DeserializationFeature.ACCEPT_EMPTY_STRING_AS_NULL_OBJECT,true)
+                .registerModule(new JavaTimeModule());
     }
 
     /**
diff --git a/pom.xml b/pom.xml
index e605e38..1d8bd86 100644
--- a/pom.xml
+++ b/pom.xml
@@ -36,6 +36,29 @@
         <developerConnection>scm:git:https://github.com/NotFound403/payment-spring-boot.git</developerConnection>
     </scm>
 
+    <profiles>
+        <!-- Deployment profile (required so these plugins are only used when deploying) -->
+        <profile>
+            <id>deploy</id>
+            <build>
+                <plugins>
+                    <plugin>
+                        <groupId>org.apache.maven.plugins</groupId>
+                        <artifactId>maven-source-plugin</artifactId>
+                    </plugin>
+                    <plugin>
+                        <groupId>org.apache.maven.plugins</groupId>
+                        <artifactId>maven-javadoc-plugin</artifactId>
+                    </plugin>
+                    <!-- GPG plugin -->
+                    <plugin>
+                        <groupId>org.apache.maven.plugins</groupId>
+                        <artifactId>maven-gpg-plugin</artifactId>
+                    </plugin>
+                </plugins>
+            </build>
+        </profile>
+    </profiles>
 
     <modules>
         <module>payment-spring-boot-autoconfigure</module>
@@ -173,10 +196,18 @@
                     <version>1.6</version>
                     <executions>
                         <execution>
+                            <id>sign-artifacts</id>
                             <phase>verify</phase>
                             <goals>
                                 <goal>sign</goal>
                             </goals>
+                            <configuration>
+                                <!-- Prevent `gpg` from using pinentry programs -->
+                                <gpgArguments>
+                                    <arg>--pinentry-mode</arg>
+                                    <arg>loopback</arg>
+                                </gpgArguments>
+                            </configuration>
                         </execution>
                     </executions>
                 </plugin>
@@ -188,23 +219,12 @@
                     <configuration>
                         <serverId>sonatype-nexus-staging</serverId>
                         <nexusUrl>https://oss.sonatype.org/</nexusUrl>
+                        <autoReleaseAfterClose>false</autoReleaseAfterClose>
                     </configuration>
                 </plugin>
             </plugins>
         </pluginManagement>
         <plugins>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-source-plugin</artifactId>
-            </plugin>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-javadoc-plugin</artifactId>
-            </plugin>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-gpg-plugin</artifactId>
-            </plugin>
             <plugin>
                 <groupId>org.sonatype.plugins</groupId>
                 <artifactId>nexus-staging-maven-plugin</artifactId>