diff --git a/CHANGE_LOG.md b/CHANGE_LOG.md
index f045cfc..8c40181 100644
--- a/CHANGE_LOG.md
+++ b/CHANGE_LOG.md
@@ -133,3 +133,10 @@
 |:---|:---|:---|:---|:--|
 | 1 | A | 允许用户自定义替换策略 | 2022-01-15 23:51:58 | |
 | 2 | U | 升级二方数据库依赖 | 2022-01-15 23:51:58 | |
+
+# release_0.2.1
+
+| 序号 | 变更类型 | 说明 | 时间 | 备注 |
+|:---|:---|:---|:---|:--|
+| 1 | O | 移除日志初始化的控台日志输出 | 2023-02-17 23:51:58 | |
+| 2 | A | 支持数字检验的长度指定 | 2022-01-17 23:51:58 | |
diff --git a/README.md b/README.md
index 4f0acd4..737cc02 100644
--- a/README.md
+++ b/README.md
@@ -46,9 +46,9 @@
 
 [CHANGE_LOG.md](https://github.com/houbb/sensitive-word/blob/master/doc/CHANGE_LOG.md)
 
-v0.2.0 变更：
+v0.2.1 变更：
 
-- 支持用户自定义替换策略
+- 支持用户自定义数字检测的长度
 
 # 快速开始
 
@@ -64,7 +64,7 @@ v0.2.0 变更：
 <dependency>
     <groupId>com.github.houbb</groupId>
     <artifactId>sensitive-word</artifactId>
-    <version>0.2.0</version>
+    <version>0.2.1</version>
 </dependency>
 ```
 
@@ -298,6 +298,26 @@ List<String> wordList = SensitiveWordHelper.findAll(text);
 Assert.assertEquals("[sensitiveword@xx.com]", wordList.toString());
 ```
 
+## 连续数字检测
+
+一般用于过滤手机号/QQ等广告信息。
+
+V0.2.1 之后，支持通过 `numCheckLen(长度)` 自定义检测的长度。
+
+```java
+final String text = "你懂得：12345678";
+
+// 默认检测 8 位
+List<String> wordList = SensitiveWordBs.newInstance().findAll(text);
+Assert.assertEquals("[12345678]", wordList.toString());
+
+// 指定数字的长度，避免误杀
+List<String> wordList2 = SensitiveWordBs.newInstance()
+        .numCheckLen(9)
+        .findAll(text);
+Assert.assertEquals("[]", wordList2.toString());
+```
+
 # 特性配置
 
 ## 说明
@@ -319,10 +339,11 @@ SensitiveWordBs wordBs = SensitiveWordBs.newInstance()
         .ignoreNumStyle(true)
         .ignoreChineseStyle(true)
         .ignoreEnglishStyle(true)
-        .ignoreRepeat(true)
+        .ignoreRepeat(false)
         .enableNumCheck(true)
         .enableEmailCheck(true)
         .enableUrlCheck(true)
+        .numCheckLen(8)
         .init();
 
 final String text = "五星红旗迎风飘扬，毛主席的画像屹立在天安门前。";
@@ -332,17 +353,18 @@ Assert.assertTrue(wordBs.contains(text));
 
 其中各项配置的说明如下：
 
-| 序号 | 方法 | 说明 |
-|:---|:---|:---|
-| 1 | ignoreCase | 忽略大小写 |
-| 2 | ignoreWidth | 忽略半角圆角 |
-| 3 | ignoreNumStyle | 忽略数字的写法 |
-| 4 | ignoreChineseStyle | 忽略中文的书写格式 |
-| 5 | ignoreEnglishStyle | 忽略英文的书写格式 |
-| 6 | ignoreRepeat | 忽略重复词 |
-| 7 | enableNumCheck | 是否启用数字检测。默认连续 8 位数字认为是敏感词 |
-| 8 | enableEmailCheck | 是有启用邮箱检测 |
-| 9 | enableUrlCheck | 是否启用链接检测 |
+| 序号  | 方法 | 说明            |
+|:----|:---|:--------------|
+| 1   | ignoreCase | 忽略大小写         |
+| 2   | ignoreWidth | 忽略半角圆角        |
+| 3   | ignoreNumStyle | 忽略数字的写法       |
+| 4   | ignoreChineseStyle | 忽略中文的书写格式     |
+| 5   | ignoreEnglishStyle | 忽略英文的书写格式     |
+| 6   | ignoreRepeat | 忽略重复词         |
+| 7   | enableNumCheck | 是否启用数字检测。     |
+| 8   | enableEmailCheck | 是有启用邮箱检测      |
+| 9   | enableUrlCheck | 是否启用链接检测      |
+| 10  | numCheckLen | 数字检测，自定义指定长度。默认连续 8 位数字认为是敏感词 |
 
 # 动态加载（用户自定义）
 
diff --git a/src/main/java/com/github/houbb/sensitive/word/api/IWordContext.java b/src/main/java/com/github/houbb/sensitive/word/api/IWordContext.java
index 12b219d..fe1a233 100644
--- a/src/main/java/com/github/houbb/sensitive/word/api/IWordContext.java
+++ b/src/main/java/com/github/houbb/sensitive/word/api/IWordContext.java
@@ -158,4 +158,19 @@ public interface IWordContext {
      */
     IWordContext ignoreRepeat(final boolean ignoreRepeat);
 
+    /**
+     * 敏感数字检测
+     * @return 数字检测
+     * @since 0.2.1
+     */
+    int sensitiveCheckNumLen();
+
+    /**
+     * 设置敏感数字检测长度
+     * @param sensitiveCheckNumLen 数字格式检测长度
+     * @return this
+     * @since 0.2.1
+     */
+    IWordContext sensitiveCheckNumLen(final int sensitiveCheckNumLen);
+
 }
diff --git a/src/main/java/com/github/houbb/sensitive/word/bs/SensitiveWordBs.java b/src/main/java/com/github/houbb/sensitive/word/bs/SensitiveWordBs.java
index 33cb4be..c2909af 100644
--- a/src/main/java/com/github/houbb/sensitive/word/bs/SensitiveWordBs.java
+++ b/src/main/java/com/github/houbb/sensitive/word/bs/SensitiveWordBs.java
@@ -190,6 +190,17 @@ public class SensitiveWordBs {
         return this;
     }
 
+    /**
+     * 检测敏感词对应的长度限制，便于用户灵活定义
+     * @param numCheckLen 长度
+     * @return this
+     * @since 0.2.1
+     */
+    public SensitiveWordBs numCheckLen(int numCheckLen) {
+        this.context.sensitiveCheckNumLen(numCheckLen);
+        return this;
+    }
+
     /**
      * 设置是否启动 email 检测
      *
@@ -301,6 +312,9 @@ public class SensitiveWordBs {
         wordContext.sensitiveCheckEmail(true);
         wordContext.sensitiveCheckUrl(true);
 
+        // 额外配置
+        wordContext.sensitiveCheckNumLen(8);
+
         return wordContext;
     }
 
diff --git a/src/main/java/com/github/houbb/sensitive/word/bs/SensitiveWordContext.java b/src/main/java/com/github/houbb/sensitive/word/bs/SensitiveWordContext.java
index 2a1ad9d..8b2e4c1 100644
--- a/src/main/java/com/github/houbb/sensitive/word/bs/SensitiveWordContext.java
+++ b/src/main/java/com/github/houbb/sensitive/word/bs/SensitiveWordContext.java
@@ -71,6 +71,12 @@ public class SensitiveWordContext implements IWordContext {
      */
     private boolean sensitiveCheckUrl;
 
+    /**
+     * 敏感数字检测对应的长度限制
+     * @since 0.2.1
+     */
+    private int sensitiveCheckNumLen;
+
     /**
      * 私有化构造器
      * @since 0.0.4
@@ -196,4 +202,16 @@ public class SensitiveWordContext implements IWordContext {
         this.sensitiveCheckUrl = sensitiveCheckUrl;
         return this;
     }
+
+    @Override
+    public int sensitiveCheckNumLen() {
+        return sensitiveCheckNumLen;
+    }
+
+    @Override
+    public SensitiveWordContext sensitiveCheckNumLen(int sensitiveCheckNumLen) {
+        this.sensitiveCheckNumLen = sensitiveCheckNumLen;
+        return this;
+    }
+
 }
diff --git a/src/main/java/com/github/houbb/sensitive/word/support/check/impl/SensitiveCheckNum.java b/src/main/java/com/github/houbb/sensitive/word/support/check/impl/SensitiveCheckNum.java
index 74bd783..7facc1f 100644
--- a/src/main/java/com/github/houbb/sensitive/word/support/check/impl/SensitiveCheckNum.java
+++ b/src/main/java/com/github/houbb/sensitive/word/support/check/impl/SensitiveCheckNum.java
@@ -34,7 +34,7 @@ public class SensitiveCheckNum implements ISensitiveCheck {
                 lengthCount++;
 
                 // 满足结束的条件
-                boolean isCondition = isCondition(lengthCount);
+                boolean isCondition = isCondition(lengthCount, context);
                 if (isCondition) {
                     // 只在匹配到结束的时候才记录长度，避免不完全匹配导致的问题。
                     actualLength = lengthCount;
@@ -57,11 +57,13 @@ public class SensitiveCheckNum implements ISensitiveCheck {
      * 这里指定一个阈值条件
      * TODO: 这里有一个问题，会把一些 url 中的数字替换掉。
      * @param lengthCount 长度
+     * @param context 上下文
      * @return 是否满足条件
      * @since 0.0.5
      */
-    private boolean isCondition(final int lengthCount) {
-        return lengthCount >= 8;
+    protected boolean isCondition(final int lengthCount,
+                                final IWordContext context) {
+        return lengthCount >= context.sensitiveCheckNumLen();
     }
 
 }
diff --git a/src/main/java/com/github/houbb/sensitive/word/support/data/SensitiveWordData.java b/src/main/java/com/github/houbb/sensitive/word/support/data/SensitiveWordData.java
index 0216109..f0159f0 100644
--- a/src/main/java/com/github/houbb/sensitive/word/support/data/SensitiveWordData.java
+++ b/src/main/java/com/github/houbb/sensitive/word/support/data/SensitiveWordData.java
@@ -41,7 +41,6 @@ public class SensitiveWordData implements IWordData {
             defaultLines = CollectionUtil.difference(defaultLines, allowList);
 
             long end = System.currentTimeMillis();
-            System.out.println("Sensitive data loaded!, cost time: " + (end - start) + "ms");
         }
     }
 
diff --git a/src/main/java/com/github/houbb/sensitive/word/support/map/SensitiveWordMap.java b/src/main/java/com/github/houbb/sensitive/word/support/map/SensitiveWordMap.java
index 18e34da..dc7b28f 100644
--- a/src/main/java/com/github/houbb/sensitive/word/support/map/SensitiveWordMap.java
+++ b/src/main/java/com/github/houbb/sensitive/word/support/map/SensitiveWordMap.java
@@ -101,7 +101,6 @@ public class SensitiveWordMap implements IWordMap {
         this.innerWordMap = newInnerWordMap;
 
         long endTime = System.currentTimeMillis();
-        System.out.println("Init sensitive word map end! Cost time: " + (endTime - startTime) + "ms");
     }
 
     /**
diff --git a/src/test/java/com/github/houbb/sensitive/word/bs/SensitiveWordBsConfigTest.java b/src/test/java/com/github/houbb/sensitive/word/bs/SensitiveWordBsConfigTest.java
index 3a402fd..11cebc5 100644
--- a/src/test/java/com/github/houbb/sensitive/word/bs/SensitiveWordBsConfigTest.java
+++ b/src/test/java/com/github/houbb/sensitive/word/bs/SensitiveWordBsConfigTest.java
@@ -26,6 +26,7 @@ public class SensitiveWordBsConfigTest {
                 .enableNumCheck(true)
                 .enableEmailCheck(true)
                 .enableUrlCheck(true)
+                .numCheckLen(8)
                 .init();
 
         final String text = "五星红旗迎风飘扬，毛主席的画像屹立在天安门前。";
diff --git a/src/test/java/com/github/houbb/sensitive/word/bs/SensitiveWordBsNumLenTest.java b/src/test/java/com/github/houbb/sensitive/word/bs/SensitiveWordBsNumLenTest.java
new file mode 100644
index 0000000..8383834
--- /dev/null
+++ b/src/test/java/com/github/houbb/sensitive/word/bs/SensitiveWordBsNumLenTest.java
@@ -0,0 +1,37 @@
+package com.github.houbb.sensitive.word.bs;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+import java.util.List;
+
+/**
+ * <p> project: sensitive-word-SensitiveWordBsTest </p>
+ * <p> create on 2020/1/7 23:43 </p>
+ *
+ * @author Administrator
+ * @since 0.2.1
+ */
+public class SensitiveWordBsNumLenTest {
+
+    /**
+     * 返回所有敏感词
+     * @since 0.2.1
+     */
+    @Test
+    public void findAllTest() {
+        final String text = "你懂得：12345678";
+
+        // 默认检测 8 位
+        List<String> wordList = SensitiveWordBs.newInstance().findAll(text);
+        Assert.assertEquals("[12345678]", wordList.toString());
+
+        // 指定数字的长度，避免误杀
+        List<String> wordList2 = SensitiveWordBs.newInstance()
+                .numCheckLen(9)
+                .findAll(text);
+        Assert.assertEquals("[]", wordList2.toString());
+    }
+
+
+}