diff --git a/liteflow-core/src/main/java/com/yomahub/liteflow/builder/el/LiteFlowChainELBuilder.java b/liteflow-core/src/main/java/com/yomahub/liteflow/builder/el/LiteFlowChainELBuilder.java
index e6ddbd2f2..0ef5f6af8 100644
--- a/liteflow-core/src/main/java/com/yomahub/liteflow/builder/el/LiteFlowChainELBuilder.java
+++ b/liteflow-core/src/main/java/com/yomahub/liteflow/builder/el/LiteFlowChainELBuilder.java
@@ -31,7 +31,7 @@ import com.yomahub.liteflow.builder.el.operator.ToOperator;
 import com.yomahub.liteflow.builder.el.operator.WhenOperator;
 import com.yomahub.liteflow.builder.el.operator.WhileOperator;
 import com.yomahub.liteflow.common.ChainConstant;
-import com.yomahub.liteflow.exception.DataNofFoundException;
+import com.yomahub.liteflow.exception.DataNotFoundException;
 import com.yomahub.liteflow.exception.ELParseException;
 import com.yomahub.liteflow.exception.FlowSystemException;
 import com.yomahub.liteflow.flow.FlowBus;
@@ -176,9 +176,9 @@ public class LiteFlowChainELBuilder {
             return this;
         } catch (QLException e) {
             // EL 底层会包装异常，这里是曲线处理
-            if (Objects.equals(e.getCause().getMessage(), DataNofFoundException.MSG)) {
+            if (Objects.equals(e.getCause().getMessage(), DataNotFoundException.MSG)) {
                 // 构建错误信息
-                String msg = buildDataNofFoundExceptionMsg(elStr);
+                String msg = buildDataNotFoundExceptionMsg(elStr);
                 throw new ELParseException(msg);
             }
             throw new ELParseException(e.getCause().getMessage());
@@ -231,7 +231,7 @@ public class LiteFlowChainELBuilder {
      *
      * @param elStr el 表达式
      */
-    private String buildDataNofFoundExceptionMsg(String elStr) {
+    private String buildDataNotFoundExceptionMsg(String elStr) {
         String msg = String.format("[node/chain is not exist or node/chain not register]\n elStr=%s", StrUtil.trim(elStr));
         try {
             InstructionSet parseResult = EXPRESS_RUNNER.getInstructionSetFromLocalCache(elStr);
diff --git a/liteflow-core/src/main/java/com/yomahub/liteflow/builder/el/operator/base/OperatorHelper.java b/liteflow-core/src/main/java/com/yomahub/liteflow/builder/el/operator/base/OperatorHelper.java
index 401254036..88f60764b 100644
--- a/liteflow-core/src/main/java/com/yomahub/liteflow/builder/el/operator/base/OperatorHelper.java
+++ b/liteflow-core/src/main/java/com/yomahub/liteflow/builder/el/operator/base/OperatorHelper.java
@@ -2,7 +2,7 @@ package com.yomahub.liteflow.builder.el.operator.base;
 
 import cn.hutool.core.util.StrUtil;
 import com.ql.util.express.exception.QLException;
-import com.yomahub.liteflow.exception.DataNofFoundException;
+import com.yomahub.liteflow.exception.DataNotFoundException;
 import com.yomahub.liteflow.flow.element.Node;
 
 import java.util.Objects;
@@ -156,7 +156,7 @@ public class OperatorHelper {
     public static void checkNodeAndChainExist(Object[] objects) throws QLException {
         for (Object object : objects) {
             if (Objects.isNull(object)) {
-                throw new QLException(DataNofFoundException.MSG);
+                throw new QLException(DataNotFoundException.MSG);
             }
         }
     }
diff --git a/liteflow-core/src/main/java/com/yomahub/liteflow/exception/DataNofFoundException.java b/liteflow-core/src/main/java/com/yomahub/liteflow/exception/DataNotFoundException.java
similarity index 67%
rename from liteflow-core/src/main/java/com/yomahub/liteflow/exception/DataNofFoundException.java
rename to liteflow-core/src/main/java/com/yomahub/liteflow/exception/DataNotFoundException.java
index c31111517..cb2f65ad6 100644
--- a/liteflow-core/src/main/java/com/yomahub/liteflow/exception/DataNofFoundException.java
+++ b/liteflow-core/src/main/java/com/yomahub/liteflow/exception/DataNotFoundException.java
@@ -4,8 +4,8 @@ package com.yomahub.liteflow.exception;
  * 未找到数据异常
  * @author tangkc
  */
-public class DataNofFoundException extends RuntimeException {
-    public static final String MSG = "DataNofFoundException";
+public class DataNotFoundException extends RuntimeException {
+    public static final String MSG = "DataNotFoundException";
 
     private static final long serialVersionUID = 1L;
 
@@ -14,11 +14,11 @@ public class DataNofFoundException extends RuntimeException {
      */
     private String message;
 
-    public DataNofFoundException() {
+    public DataNotFoundException() {
         this.message = MSG;
     }
 
-    public DataNofFoundException(String message) {
+    public DataNotFoundException(String message) {
         this.message = message;
     }