diff --git a/example/example-app/example-app-cmd-domain/pom.xml b/example/example-app/example-app-cmd-domain/pom.xml
index 3bec376a..694235b6 100644
--- a/example/example-app/example-app-cmd-domain/pom.xml
+++ b/example/example-app/example-app-cmd-domain/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>com.codingapi.springboot</groupId>
         <artifactId>example-app</artifactId>
-        <version>3.4.2</version>
+        <version>3.4.3</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/example/example-app/example-app-cmd-meta/pom.xml b/example/example-app/example-app-cmd-meta/pom.xml
index 4295d9ec..f72a35c1 100644
--- a/example/example-app/example-app-cmd-meta/pom.xml
+++ b/example/example-app/example-app-cmd-meta/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>com.codingapi.springboot</groupId>
         <artifactId>example-app</artifactId>
-        <version>3.4.2</version>
+        <version>3.4.3</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/example/example-app/example-app-query/pom.xml b/example/example-app/example-app-query/pom.xml
index 1a78b555..244a0a3a 100644
--- a/example/example-app/example-app-query/pom.xml
+++ b/example/example-app/example-app-query/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>com.codingapi.springboot</groupId>
         <artifactId>example-app</artifactId>
-        <version>3.4.2</version>
+        <version>3.4.3</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/example/example-app/pom.xml b/example/example-app/pom.xml
index a80852ce..498e1c33 100644
--- a/example/example-app/pom.xml
+++ b/example/example-app/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>com.codingapi.springboot</groupId>
         <artifactId>springboot-example</artifactId>
-        <version>3.4.2</version>
+        <version>3.4.3</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <packaging>pom</packaging>
diff --git a/example/example-domain/example-domain-leave/pom.xml b/example/example-domain/example-domain-leave/pom.xml
index 217ea029..1b191e07 100644
--- a/example/example-domain/example-domain-leave/pom.xml
+++ b/example/example-domain/example-domain-leave/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>com.codingapi.springboot</groupId>
         <artifactId>example-domain</artifactId>
-        <version>3.4.2</version>
+        <version>3.4.3</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/example/example-domain/example-domain-user/pom.xml b/example/example-domain/example-domain-user/pom.xml
index f70f7e76..641abf9d 100644
--- a/example/example-domain/example-domain-user/pom.xml
+++ b/example/example-domain/example-domain-user/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>com.codingapi.springboot</groupId>
         <artifactId>example-domain</artifactId>
-        <version>3.4.2</version>
+        <version>3.4.3</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/example/example-domain/pom.xml b/example/example-domain/pom.xml
index 9ff75794..e0b9e95d 100644
--- a/example/example-domain/pom.xml
+++ b/example/example-domain/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>com.codingapi.springboot</groupId>
         <artifactId>springboot-example</artifactId>
-       <version>3.4.2</version>
+       <version>3.4.3</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
diff --git a/example/example-infra/example-infra-flow/pom.xml b/example/example-infra/example-infra-flow/pom.xml
index 6cebb52c..d5c0e706 100644
--- a/example/example-infra/example-infra-flow/pom.xml
+++ b/example/example-infra/example-infra-flow/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>com.codingapi.springboot</groupId>
         <artifactId>example-infra</artifactId>
-       <version>3.4.2</version>
+       <version>3.4.3</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/example/example-infra/example-infra-jpa/pom.xml b/example/example-infra/example-infra-jpa/pom.xml
index 8e6d6e7b..c4ee5d01 100644
--- a/example/example-infra/example-infra-jpa/pom.xml
+++ b/example/example-infra/example-infra-jpa/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>com.codingapi.springboot</groupId>
         <artifactId>example-infra</artifactId>
-        <version>3.4.2</version>
+        <version>3.4.3</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/example/example-infra/example-infra-security/pom.xml b/example/example-infra/example-infra-security/pom.xml
index 22e622d7..c00e3853 100644
--- a/example/example-infra/example-infra-security/pom.xml
+++ b/example/example-infra/example-infra-security/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>com.codingapi.springboot</groupId>
         <artifactId>example-infra</artifactId>
-        <version>3.4.2</version>
+        <version>3.4.3</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/example/example-infra/pom.xml b/example/example-infra/pom.xml
index 82a22b8f..f5717b3c 100644
--- a/example/example-infra/pom.xml
+++ b/example/example-infra/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>com.codingapi.springboot</groupId>
         <artifactId>springboot-example</artifactId>
-        <version>3.4.2</version>
+        <version>3.4.3</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <packaging>pom</packaging>
diff --git a/example/example-interface/pom.xml b/example/example-interface/pom.xml
index 30876bc8..e16ae049 100644
--- a/example/example-interface/pom.xml
+++ b/example/example-interface/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>com.codingapi.springboot</groupId>
         <artifactId>springboot-example</artifactId>
-        <version>3.4.2</version>
+        <version>3.4.3</version>
     </parent>
 
     <artifactId>example-interface</artifactId>
diff --git a/example/example-server/pom.xml b/example/example-server/pom.xml
index ba8bdadd..461be7b9 100644
--- a/example/example-server/pom.xml
+++ b/example/example-server/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>springboot-example</artifactId>
         <groupId>com.codingapi.springboot</groupId>
-       <version>3.4.2</version>
+       <version>3.4.3</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/example/pom.xml b/example/pom.xml
index 79ca6bc1..972fa22b 100644
--- a/example/pom.xml
+++ b/example/pom.xml
@@ -19,7 +19,7 @@
     </parent>
 
     <artifactId>springboot-example</artifactId>
-    <version>3.4.2</version>
+    <version>3.4.3</version>
 
     <name>springboot-example</name>
     <description>springboot-example project for Spring Boot</description>
diff --git a/pom.xml b/pom.xml
index 552430d2..747b3b7b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -12,7 +12,7 @@
 
     <groupId>com.codingapi.springboot</groupId>
     <artifactId>springboot-parent</artifactId>
-    <version>3.4.2</version>
+    <version>3.4.3</version>
 
     <url>https://github.com/codingapi/springboot-framewrok</url>
     <name>springboot-parent</name>
diff --git a/springboot-starter-data-authorization/pom.xml b/springboot-starter-data-authorization/pom.xml
index 727cb6b3..5f8c1745 100644
--- a/springboot-starter-data-authorization/pom.xml
+++ b/springboot-starter-data-authorization/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>com.codingapi.springboot</groupId>
         <artifactId>springboot-parent</artifactId>
-       <version>3.4.2</version>
+       <version>3.4.3</version>
     </parent>
 
     <artifactId>springboot-starter-data-authorization</artifactId>
diff --git a/springboot-starter-data-fast/pom.xml b/springboot-starter-data-fast/pom.xml
index b817b201..42dad582 100644
--- a/springboot-starter-data-fast/pom.xml
+++ b/springboot-starter-data-fast/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>springboot-parent</artifactId>
         <groupId>com.codingapi.springboot</groupId>
-       <version>3.4.2</version>
+       <version>3.4.3</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/springboot-starter-flow/pom.xml b/springboot-starter-flow/pom.xml
index 1835a4e3..b7da735f 100644
--- a/springboot-starter-flow/pom.xml
+++ b/springboot-starter-flow/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <artifactId>springboot-parent</artifactId>
         <groupId>com.codingapi.springboot</groupId>
-       <version>3.4.2</version>
+       <version>3.4.3</version>
     </parent>
 
     <name>springboot-starter-flow</name>
diff --git a/springboot-starter-flow/src/main/java/com/codingapi/springboot/flow/service/FlowNodeService.java b/springboot-starter-flow/src/main/java/com/codingapi/springboot/flow/service/FlowNodeService.java
index b2827d3c..5cd7eebb 100644
--- a/springboot-starter-flow/src/main/java/com/codingapi/springboot/flow/service/FlowNodeService.java
+++ b/springboot-starter-flow/src/main/java/com/codingapi/springboot/flow/service/FlowNodeService.java
@@ -162,7 +162,7 @@ public void loadCustomBackNode(FlowNode flowNode, long parentRecordId) {
         }
         this.nextNode = nextNode;
         this.nextOperator = flowOperator;
-        this.backOperator = flowOperator;
+        this.backOperator = null;
     }
 
 
diff --git a/springboot-starter-security/pom.xml b/springboot-starter-security/pom.xml
index 7d813be7..a8b5ad5e 100644
--- a/springboot-starter-security/pom.xml
+++ b/springboot-starter-security/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <artifactId>springboot-parent</artifactId>
         <groupId>com.codingapi.springboot</groupId>
-       <version>3.4.2</version>
+       <version>3.4.3</version>
     </parent>
 
     <artifactId>springboot-starter-security</artifactId>
diff --git a/springboot-starter/pom.xml b/springboot-starter/pom.xml
index acc256de..32ecdd29 100644
--- a/springboot-starter/pom.xml
+++ b/springboot-starter/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>com.codingapi.springboot</groupId>
         <artifactId>springboot-parent</artifactId>
-       <version>3.4.2</version>
+       <version>3.4.3</version>
     </parent>
     <artifactId>springboot-starter</artifactId>
 
diff --git a/springboot-starter/src/main/resources/banner.txt b/springboot-starter/src/main/resources/banner.txt
index 4d7d4d37..6b9cef9a 100644
--- a/springboot-starter/src/main/resources/banner.txt
+++ b/springboot-starter/src/main/resources/banner.txt
@@ -1,4 +1,4 @@
 ------------------------------------------------------
-CodingApi SpringBoot-Starter 3.4.2
+CodingApi SpringBoot-Starter 3.4.3
 springboot version (${spring-boot.version})
 ------------------------------------------------------