diff --git a/README.md b/README.md
index ca99cdc..eaa47be 100644
--- a/README.md
+++ b/README.md
@@ -54,6 +54,21 @@ watermark_image: connect the image you want to use as a watermark
 watermark_opacity: watermark transparency, default 0.5, maximum value 1
 ~~~
 
+## Update log 2024-11-11
+
+### Utils
+
+1. LmcqInputValidator: Used to validate input value types, can determine whether the input is a pure number or a string
+
+~~~
+Function details
+
+input_text:     Input text to be validated
+check_type:     Validation type, options:
+               - is_digit: Check if it's a pure number
+               - is_string: Check if it's a string (any input that's not a pure number is considered a string)
+~~~
+
 ## Contribute
 
 zebord
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diff --git a/README_CN.md b/README_CN.md
index ed0201e..80585e2 100644
--- a/README_CN.md
+++ b/README_CN.md
@@ -53,6 +53,20 @@ watermark_opacity：水印透明度，默认0.5，最大值为1
 ~~~
 
 
+## 更新日志 2024-11-11
+
+### Utils
+
+1. LmcqInputValidator：用于验证输入值的类型，可以判断输入是纯数字还是字符串
+
+~~~
+功能详解
+
+input_text：    需要验证的输入文本
+check_type：    验证类型，可选项：
+               - is_digit：判断是否为纯数字
+               - is_string：判断是否为字符串（任何非纯数字的输入都被视为字符串）
+~~~
 
 ## 参与贡献
 
diff --git a/nodes.py b/nodes.py
index 8f27fe2..03bd457 100644
--- a/nodes.py
+++ b/nodes.py
@@ -710,4 +710,39 @@ NODE_DISPLAY_NAME_MAPPINGS = {
     "LmcqImageSaverTransit": "Lmcq Image Saver Transit",
     "LmcqImageSaverWeb": "Lmcq Image Saver Web",
     "LmcqLoadFluxNF4Checkpoint": "Lmcq Load Flux NF4 Checkpoint"
-}
\ No newline at end of file
+}
+
+class LmcqInputValidator:
+    @classmethod
+    def INPUT_TYPES(s):
+        return {
+            "required": {
+                "input_text": ("STRING", {"default": ""}),
+                "check_type": (["is_digit", "is_string"], ),  # 修改为判断数字或字符串
+            }
+        }
+    
+    RETURN_TYPES = ("BOOLEAN",)
+    RETURN_NAMES = ("result",)
+    FUNCTION = "validate_input"
+    CATEGORY = "Lmcq/Utils"
+
+    def validate_input(self, input_text, check_type):
+        if not input_text:
+            return (False,)
+            
+        if check_type == "is_digit":
+            return (input_text.isdigit(),)
+        else:  # is_string
+            # 判断是否为字符串 - 只要不是纯数字就认为是字符串
+            return (not input_text.isdigit(),)
+
+# 在 NODE_CLASS_MAPPINGS 字典中添加新节点
+NODE_CLASS_MAPPINGS.update({
+    "LmcqInputValidator": LmcqInputValidator
+})
+
+# 在 NODE_DISPLAY_NAME_MAPPINGS 字典中添加显示名称
+NODE_DISPLAY_NAME_MAPPINGS.update({
+    "LmcqInputValidator": "Lmcq Input Validator"
+})
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