diff --git a/tianai-captcha/src/main/java/cloud/tianai/captcha/common/AnyMap.java b/tianai-captcha/src/main/java/cloud/tianai/captcha/common/AnyMap.java
index fe03829..ed4d3d6 100644
--- a/tianai-captcha/src/main/java/cloud/tianai/captcha/common/AnyMap.java
+++ b/tianai-captcha/src/main/java/cloud/tianai/captcha/common/AnyMap.java
@@ -13,7 +13,7 @@ import java.util.function.Function;
 @EqualsAndHashCode
 public class AnyMap implements Map<String, Object> {
 
-    private Map<String, Object> target;
+    private final Map<String, Object> target;
 
     public AnyMap() {
         target = new LinkedHashMap<>();
@@ -77,6 +77,39 @@ public class AnyMap implements Map<String, Object> {
         return new AnyMap(map);
     }
 
+
+    public void addParam(String key, Object value) {
+        put(key, value);
+    }
+
+    public Object getParam(String key) {
+        return get(key);
+    }
+
+    public Object removeParam(String key) {
+        return remove(key);
+    }
+
+    public <T> Object removeParam(ParamKey<T> paramKey) {
+        return removeParam(paramKey.getKey());
+    }
+
+    public <T> void addParam(ParamKey<T> paramKey, T value) {
+        addParam(paramKey.getKey(), value);
+    }
+
+    public <T> T getParam(ParamKey<T> paramKey) {
+        return getParam(paramKey, null);
+    }
+
+    public <T> T getParam(ParamKey<T> paramKey, T defaultValue) {
+        return (T) getParam(paramKey.getKey());
+
+    }
+
+    public <T> T getOrDefault(ParamKey<T> paramKey, T defaultValue) {
+        return (T) getOrDefault(paramKey.getKey(), defaultValue);
+    }
     // ==================  implement Map =======================
 
 
diff --git a/tianai-captcha/src/main/java/cloud/tianai/captcha/common/ParamKey.java b/tianai-captcha/src/main/java/cloud/tianai/captcha/common/ParamKey.java
new file mode 100644
index 0000000..0c9bef5
--- /dev/null
+++ b/tianai-captcha/src/main/java/cloud/tianai/captcha/common/ParamKey.java
@@ -0,0 +1,12 @@
+package cloud.tianai.captcha.common;
+
+/**
+ * @Author: 天爱有情
+ * @date 2024/11/20 11:34
+ * @Description 此接口的作用是在给 {@link AnyMap} 添加/获取参数时做一个类型限制和转换
+ */
+public interface ParamKey<T> {
+
+    String getKey();
+
+}
diff --git a/tianai-captcha/src/main/java/cloud/tianai/captcha/generator/AbstractImageCaptchaGenerator.java b/tianai-captcha/src/main/java/cloud/tianai/captcha/generator/AbstractImageCaptchaGenerator.java
index 292351e..3aca2fb 100644
--- a/tianai-captcha/src/main/java/cloud/tianai/captcha/generator/AbstractImageCaptchaGenerator.java
+++ b/tianai-captcha/src/main/java/cloud/tianai/captcha/generator/AbstractImageCaptchaGenerator.java
@@ -2,10 +2,7 @@ package cloud.tianai.captcha.generator;
 
 import cloud.tianai.captcha.common.exception.ImageCaptchaException;
 import cloud.tianai.captcha.common.util.CollectionUtils;
-import cloud.tianai.captcha.generator.common.model.dto.CaptchaExchange;
-import cloud.tianai.captcha.generator.common.model.dto.CustomData;
-import cloud.tianai.captcha.generator.common.model.dto.GenerateParam;
-import cloud.tianai.captcha.generator.common.model.dto.ImageCaptchaInfo;
+import cloud.tianai.captcha.generator.common.model.dto.*;
 import cloud.tianai.captcha.generator.common.util.CaptchaImageUtils;
 import cloud.tianai.captcha.generator.impl.transform.Base64ImageTransform;
 import cloud.tianai.captcha.interceptor.CaptchaInterceptor;
@@ -136,6 +133,11 @@ public abstract class AbstractImageCaptchaGenerator implements ImageCaptchaGener
     public ImageCaptchaInfo wrapImageCaptchaInfo(CaptchaExchange captchaExchange) {
         ImageCaptchaInfo imageCaptchaInfo = doWrapImageCaptchaInfo(captchaExchange);
         imageCaptchaInfo.setData(captchaExchange.getCustomData());
+        // 设置自定义容错值
+        Number tolerant = captchaExchange.getParam().getParam(ParamKeyEnum.TOLERANT);
+        if (tolerant != null) {
+            imageCaptchaInfo.setTolerant(tolerant.floatValue());
+        }
         return imageCaptchaInfo;
     }
 
diff --git a/tianai-captcha/src/main/java/cloud/tianai/captcha/generator/common/model/dto/GenerateParam.java b/tianai-captcha/src/main/java/cloud/tianai/captcha/generator/common/model/dto/GenerateParam.java
index b66a8fe..c88bae9 100644
--- a/tianai-captcha/src/main/java/cloud/tianai/captcha/generator/common/model/dto/GenerateParam.java
+++ b/tianai-captcha/src/main/java/cloud/tianai/captcha/generator/common/model/dto/GenerateParam.java
@@ -1,6 +1,7 @@
 package cloud.tianai.captcha.generator.common.model.dto;
 
 import cloud.tianai.captcha.common.AnyMap;
+import cloud.tianai.captcha.common.ParamKey;
 import cloud.tianai.captcha.common.constant.CaptchaTypeConstant;
 import lombok.Data;
 import lombok.EqualsAndHashCode;
@@ -11,89 +12,93 @@ import lombok.EqualsAndHashCode;
  * @Description 生成参数
  */
 @Data
-// param作为扩展字段暂时将param从equals和toString中移除掉 以适应 CacheImageCaptchaGenerator
-@EqualsAndHashCode(exclude = "param")
-public class GenerateParam {
+@EqualsAndHashCode(callSuper = true)
+public class GenerateParam extends AnyMap {
+
+    public GenerateParam() {
+        // 设置一些默认值
+        setBackgroundFormatName("jpeg");
+        setTemplateFormatName("png");
+        setObfuscate(false);
+        setType(CaptchaTypeConstant.SLIDER);
+    }
 
     /**
      * 背景格式化类型.
      */
-    private String backgroundFormatName = "jpeg";
+    private static final ParamKey<String> backgroundFormatName = () -> "backgroundFormatName";
     /**
      * 模板图片格式化类型.
      */
-    private String templateFormatName = "png";
+    private static final ParamKey<String> templateFormatName = () -> "templateFormatName";
     /**
      * 是否混淆.
      */
-    private Boolean obfuscate = false;
+    private static final ParamKey<Boolean> obfuscate = () -> "obfuscate";
     /**
      * 类型.
      */
-    private String type = CaptchaTypeConstant.SLIDER;
+    private static final ParamKey<String> type = () -> "type";
     /**
      * 背景图片标签, 用户二级过滤背景图片，或指定某背景图片.
      */
-    private String backgroundImageTag;
+    private static final ParamKey<String> backgroundImageTag = () -> "backgroundImageTag";
     /**
      * 滑动图片标签,用户二级过滤模板图片，或指定某模板图片..
      */
-    private String templateImageTag;
-    /**
-     * 扩展参数.
-     */
-    private AnyMap param = new AnyMap();
+    private static final ParamKey<String> templateImageTag = () -> "templateImageTag";
 
-    public void addParam(String key, Object value) {
-        doGetOrCreateParam().put(key, value);
+
+    // =============== getter and setter ====================
+    public void setBackgroundFormatName(String backgroundFormatName) {
+        addParam(GenerateParam.backgroundFormatName, backgroundFormatName);
     }
 
-    public Object getParam(String key) {
-        return param == null ? null : param.get(key);
+    public void setTemplateFormatName(String templateFormatName) {
+        addParam(GenerateParam.templateFormatName, templateFormatName);
     }
 
-    private AnyMap doGetOrCreateParam() {
-        if (param == null) {
-            param = new AnyMap();
-        }
-        return param;
+    public void setObfuscate(boolean obfuscate) {
+        addParam(GenerateParam.obfuscate, obfuscate);
     }
 
-    public Object removeParam(String key) {
-        if (param == null) {
-            return null;
-        }
-        return param.remove(key);
-    }
-    public  <T>  Object removeParam(ParamKey<T> paramKey) {
-        return removeParam(paramKey.getKey());
+    public void setType(String type) {
+        addParam(GenerateParam.type, type);
     }
 
-    public Object getOrDefault(String key, Object defaultValue) {
-        if (param == null) {
-            return defaultValue;
-        }
-        return param.getOrDefault(key, defaultValue);
+    public void setBackgroundImageTag(String backgroundImageTag) {
+        addParam(GenerateParam.backgroundImageTag, backgroundImageTag);
     }
 
-
-    public Object putIfAbsent(String key, Object value) {
-        return doGetOrCreateParam().putIfAbsent(key, value);
+    public void setTemplateImageTag(String templateImageTag) {
+        addParam(GenerateParam.templateImageTag, templateImageTag);
     }
 
-
-    public <T> void addParam(ParamKey<T> paramKey, T value) {
-        addParam(paramKey.getKey(), value);
+    public String getBackgroundFormatName() {
+        return getParam(GenerateParam.backgroundFormatName);
     }
 
-    public <T> T getParam(ParamKey<T> paramKey) {
-        return (T) getParam(paramKey.getKey());
+    public String getTemplateFormatName() {
+        return getParam(GenerateParam.templateFormatName);
     }
 
-    public <T> T getOrDefault(ParamKey<T> paramKey, T defaultValue) {
-        return (T) getOrDefault(paramKey.getKey(), defaultValue);
+    public boolean getObfuscate() {
+        return getParam(GenerateParam.obfuscate);
     }
 
+    public String getType() {
+        return getParam(GenerateParam.type);
+    }
+
+    public String getBackgroundImageTag() {
+        return getParam(GenerateParam.backgroundImageTag);
+    }
+
+    public String getTemplateImageTag() {
+        return getParam(GenerateParam.templateImageTag);
+    }
+
+
     public static Builder builder() {
         return new Builder();
     }
@@ -105,7 +110,6 @@ public class GenerateParam {
         private String type = CaptchaTypeConstant.SLIDER;
         private String backgroundImageTag;
         private String templateImageTag;
-        private AnyMap param = new AnyMap();
 
         private Builder() {
         }
@@ -140,20 +144,15 @@ public class GenerateParam {
             return this;
         }
 
-        public Builder param(AnyMap param) {
-            this.param = param;
-            return this;
-        }
 
         public GenerateParam build() {
             GenerateParam generateParam = new GenerateParam();
-            generateParam.backgroundFormatName = backgroundFormatName;
-            generateParam.templateFormatName = templateFormatName;
-            generateParam.obfuscate = obfuscate;
-            generateParam.type = type;
-            generateParam.backgroundImageTag = backgroundImageTag;
-            generateParam.templateImageTag = templateImageTag;
-            generateParam.param = param;
+            generateParam.setBackgroundFormatName(backgroundFormatName);
+            generateParam.setTemplateFormatName(templateFormatName);
+            generateParam.setObfuscate(obfuscate);
+            generateParam.setType(type);
+            generateParam.setBackgroundImageTag(backgroundImageTag);
+            generateParam.setTemplateImageTag(templateImageTag);
             return generateParam;
         }
     }
diff --git a/tianai-captcha/src/main/java/cloud/tianai/captcha/generator/common/model/dto/ParamKey.java b/tianai-captcha/src/main/java/cloud/tianai/captcha/generator/common/model/dto/ParamKey.java
deleted file mode 100644
index a5d4780..0000000
--- a/tianai-captcha/src/main/java/cloud/tianai/captcha/generator/common/model/dto/ParamKey.java
+++ /dev/null
@@ -1,12 +0,0 @@
-package cloud.tianai.captcha.generator.common.model.dto;
-
-/**
- * @Author: 天爱有情
- * @date 2024/11/20 11:34
- * @Description 此接口的作用是在给 {@link GenerateParam} 添加/获取参数时做一个类型限制和转换
- */
-public interface ParamKey<T> {
-
-    String getKey();
-
-}
diff --git a/tianai-captcha/src/main/java/cloud/tianai/captcha/generator/common/model/dto/ParamKeyEnum.java b/tianai-captcha/src/main/java/cloud/tianai/captcha/generator/common/model/dto/ParamKeyEnum.java
index 1fef4dc..6606b11 100644
--- a/tianai-captcha/src/main/java/cloud/tianai/captcha/generator/common/model/dto/ParamKeyEnum.java
+++ b/tianai-captcha/src/main/java/cloud/tianai/captcha/generator/common/model/dto/ParamKeyEnum.java
@@ -1,6 +1,7 @@
 package cloud.tianai.captcha.generator.common.model.dto;
 
 
+import cloud.tianai.captcha.common.ParamKey;
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 
@@ -15,7 +16,8 @@ public class ParamKeyEnum<T> implements ParamKey<T> {
     public static final ParamKey<Integer> CLICK_INTERFERENCE_COUNT = new ParamKeyEnum<>("interferenceCount");
     /** 读取字体时，可指定字体TAG，可用于给不同的验证码指定不同的字体包.*/
     public static final ParamKey<String> FONT_TAG = new ParamKeyEnum<>("fontTag");
-
+    /** 容错值.*/
+    public static final ParamKey<Number> TOLERANT = new ParamKeyEnum<>("tolerant");
     /** 验证码ID，内部使用.*/
     public static final ParamKey<String> ID = new ParamKeyEnum<>("_id");
 
diff --git a/tianai-captcha/src/main/java/cloud/tianai/captcha/validator/common/model/dto/Drives.java b/tianai-captcha/src/main/java/cloud/tianai/captcha/validator/common/model/dto/Drives.java
index 2ac6061..fa333a1 100644
--- a/tianai-captcha/src/main/java/cloud/tianai/captcha/validator/common/model/dto/Drives.java
+++ b/tianai-captcha/src/main/java/cloud/tianai/captcha/validator/common/model/dto/Drives.java
@@ -1,18 +1,7 @@
 package cloud.tianai.captcha.validator.common.model.dto;
 
-import lombok.Data;
+import cloud.tianai.captcha.common.AnyMap;
+
+public class Drives extends AnyMap {
 
-@Data
-public class Drives {
-    private Integer hardwareConcurrency;
-    private Boolean hasXhr = false;
-    private String href;
-    private String language;
-    private Long start;
-    private Long now;
-    private String platform;
-    private Integer scripts;
-    private String userAgent;
-    private Integer windowHeight;
-    private Integer windowWidth;
 }
diff --git a/tianai-captcha/src/main/java/cloud/tianai/captcha/validator/common/model/dto/MatchParam.java b/tianai-captcha/src/main/java/cloud/tianai/captcha/validator/common/model/dto/MatchParam.java
index 2e4f8b7..ee994bb 100644
--- a/tianai-captcha/src/main/java/cloud/tianai/captcha/validator/common/model/dto/MatchParam.java
+++ b/tianai-captcha/src/main/java/cloud/tianai/captcha/validator/common/model/dto/MatchParam.java
@@ -1,5 +1,7 @@
 package cloud.tianai.captcha.validator.common.model.dto;
 
+import cloud.tianai.captcha.common.AnyMap;
+import cloud.tianai.captcha.common.ParamKey;
 import lombok.Data;
 import lombok.NoArgsConstructor;
 
@@ -10,22 +12,35 @@ import lombok.NoArgsConstructor;
  */
 @Data
 @NoArgsConstructor
-public class MatchParam {
-    /** 轨迹信息. */
-    private ImageCaptchaTrack track;
-    /** 检测到的设备信息. */
-    private Drives drives;
-    /** 留一个扩展属性. */
-    private Object extendData;
+public class MatchParam extends AnyMap {
+    private static final ParamKey<ImageCaptchaTrack> track = () -> "track";
 
+    private static final ParamKey<Drives> drives = () -> "drives";
+
+
+    public ImageCaptchaTrack getTrack() {
+        return getParam(MatchParam.track);
+    }
+
+    public Drives getDrives() {
+        return getParam(MatchParam.drives);
+    }
+
+    public void setTrack(ImageCaptchaTrack track) {
+        addParam(MatchParam.track, track);
+    }
+
+    public void setDrives(Drives drives) {
+        addParam(MatchParam.drives, drives);
+    }
 
     public MatchParam(ImageCaptchaTrack track) {
-        this.track = track;
+        this.setTrack(track);
     }
 
     public MatchParam(ImageCaptchaTrack track, Drives drives) {
-        this.track = track;
-        this.drives = drives;
+        this.setTrack(track);
+        this.setDrives(drives);
     }
 
 }
diff --git a/tianai-captcha/src/test/java/example/readme/TACBuilderTest.java b/tianai-captcha/src/test/java/example/readme/TACBuilderTest.java
index 512a46d..9747f64 100644
--- a/tianai-captcha/src/test/java/example/readme/TACBuilderTest.java
+++ b/tianai-captcha/src/test/java/example/readme/TACBuilderTest.java
@@ -26,7 +26,8 @@ public class TACBuilderTest {
 //        template1.put(StandardSliderImageCaptchaGenerator.TEMPLATE_ACTIVE_IMAGE_NAME, new Resource(ClassPathResourceProvider.NAME, "/active.png"));
 //        template1.put(StandardSliderImageCaptchaGenerator.TEMPLATE_FIXED_IMAGE_NAME, new Resource(ClassPathResourceProvider.NAME, "/fixed.png"));
 
-        ImageCaptchaApplication application = TACBuilder.builder(new LocalMemoryResourceStore())
+        ImageCaptchaApplication application = TACBuilder.builder()
+                .setResourceStore(new LocalMemoryResourceStore())
                 // 加载系统自带的默认资源
                 .addDefaultTemplate()
                 // 设置验证码过期时间