diff --git a/src/main/java/dev/micle/xptools/config/OperationItem.java b/src/main/java/dev/micle/xptools/config/OperationItem.java
index 63e3d6d..760d311 100644
--- a/src/main/java/dev/micle/xptools/config/OperationItem.java
+++ b/src/main/java/dev/micle/xptools/config/OperationItem.java
@@ -1,5 +1,7 @@
 package dev.micle.xptools.config;
 
+import dev.micle.xptools.util.EnumUtils;
+
 public class OperationItem {
     private boolean isTag;
     private String id;
@@ -16,7 +18,7 @@ public class OperationItem {
             isTag = splitString[0].startsWith("#");
             id = isTag ? splitString[0].substring(1) : splitString[0];
 
-            type = OperationType.valueOf(splitString[1]);
+            type = EnumUtils.valueOf(OperationType.class, splitString[1]);
 
             min = Float.parseFloat(splitString[2]);
             max = Float.parseFloat(splitString[3]);
@@ -27,6 +29,21 @@ public class OperationItem {
         }
     }
 
+    public String toString() {
+        StringBuilder builder = new StringBuilder();
+        if (isTag) {
+            builder.append("#");
+        }
+        builder
+                .append(id).append(",")
+                .append(type.toString()).append(",")
+                .append(min).append(",").append(max).append(",")
+                .append(priority).append(",")
+                .append(isLast);
+
+        return builder.toString();
+    }
+
     public boolean isTag() {
         return isTag;
     }
diff --git a/src/main/java/dev/micle/xptools/util/EnumUtils.java b/src/main/java/dev/micle/xptools/util/EnumUtils.java
new file mode 100644
index 0000000..00a7a1f
--- /dev/null
+++ b/src/main/java/dev/micle/xptools/util/EnumUtils.java
@@ -0,0 +1,17 @@
+package dev.micle.xptools.util;
+
+public class EnumUtils {
+    public static <T extends Enum<?>> T valueOf(Class<T> clazz, String name) {
+        for (T e : clazz.getEnumConstants()) {
+            if (e.name().equalsIgnoreCase(name)) {
+                return e;
+            }
+        }
+        return null;
+    }
+
+    public static <T extends Enum<?>> T valueOfOrDefault(Class<T> clazz, String name, T defaultValue) {
+        T value = valueOf(clazz, name);
+        return (value == null) ? defaultValue : value;
+    }
+}