diff --git a/continew-starter-captcha/continew-starter-captcha-graphic/src/main/java/top/charles7c/continew/starter/captcha/graphic/autoconfigure/GraphicCaptchaProperties.java b/continew-starter-captcha/continew-starter-captcha-graphic/src/main/java/top/charles7c/continew/starter/captcha/graphic/autoconfigure/GraphicCaptchaProperties.java
index cd8acd71..ef2a93d7 100644
--- a/continew-starter-captcha/continew-starter-captcha-graphic/src/main/java/top/charles7c/continew/starter/captcha/graphic/autoconfigure/GraphicCaptchaProperties.java
+++ b/continew-starter-captcha/continew-starter-captcha-graphic/src/main/java/top/charles7c/continew/starter/captcha/graphic/autoconfigure/GraphicCaptchaProperties.java
@@ -20,8 +20,6 @@ import org.springframework.boot.context.properties.ConfigurationProperties;
 import top.charles7c.continew.starter.captcha.graphic.enums.GraphicCaptchaType;
 import top.charles7c.continew.starter.core.constant.PropertiesConstants;
 
-import java.awt.*;
-
 /**
  * 图形验证码配置属性
  *
diff --git a/continew-starter-core/src/main/java/top/charles7c/continew/starter/core/constant/PropertiesConstants.java b/continew-starter-core/src/main/java/top/charles7c/continew/starter/core/constant/PropertiesConstants.java
index eae74cca..41643267 100644
--- a/continew-starter-core/src/main/java/top/charles7c/continew/starter/core/constant/PropertiesConstants.java
+++ b/continew-starter-core/src/main/java/top/charles7c/continew/starter/core/constant/PropertiesConstants.java
@@ -24,9 +24,6 @@ package top.charles7c.continew.starter.core.constant;
  */
 public class PropertiesConstants {
 
-    private PropertiesConstants() {
-    }
-
     /**
      * ContiNew Starter
      */
@@ -106,4 +103,7 @@ public class PropertiesConstants {
      * 行为验证码配置
      */
     public static final String CAPTCHA_BEHAVIOR = CAPTCHA + ".behavior";
+
+    private PropertiesConstants() {
+    }
 }
diff --git a/continew-starter-core/src/main/java/top/charles7c/continew/starter/core/constant/StringConstants.java b/continew-starter-core/src/main/java/top/charles7c/continew/starter/core/constant/StringConstants.java
index 52a949ba..b8f51290 100644
--- a/continew-starter-core/src/main/java/top/charles7c/continew/starter/core/constant/StringConstants.java
+++ b/continew-starter-core/src/main/java/top/charles7c/continew/starter/core/constant/StringConstants.java
@@ -16,18 +16,216 @@
 
 package top.charles7c.continew.starter.core.constant;
 
+import cn.hutool.core.text.CharPool;
 import cn.hutool.core.text.StrPool;
+import cn.hutool.core.util.XmlUtil;
 
 /**
  * 字符串相关常量
  *
+ * @author looly
  * @author Charles7c
  * @since 1.0.0
  */
-public class StringConstants implements StrPool {
+public class StringConstants {
 
-    private StringConstants() {
-    }
+    /**
+     * 字符常量：空格符 {@code ' '}
+     */
+    public static final char C_SPACE = CharPool.SPACE;
+
+    /**
+     * 字符常量：制表符 {@code '\t'}
+     */
+    public static final char C_TAB = CharPool.TAB;
+
+    /**
+     * 字符常量：点 {@code '.'}
+     */
+    public static final char C_DOT = CharPool.DOT;
+
+    /**
+     * 字符常量：斜杠 {@code '/'}
+     */
+    public static final char C_SLASH = CharPool.SLASH;
+
+    /**
+     * 字符常量：反斜杠 {@code '\\'}
+     */
+    public static final char C_BACKSLASH = CharPool.BACKSLASH;
+
+    /**
+     * 字符常量：回车符 {@code '\r'}
+     */
+    public static final char C_CR = CharPool.CR;
+
+    /**
+     * 字符常量：换行符 {@code '\n'}
+     */
+    public static final char C_LF = CharPool.LF;
+
+    /**
+     * 字符常量：下划线 {@code '_'}
+     */
+    public static final char C_UNDERLINE = CharPool.UNDERLINE;
+
+    /**
+     * 字符常量：逗号 {@code ','}
+     */
+    public static final char C_COMMA = CharPool.COMMA;
+
+    /**
+     * 字符常量：花括号（左） <code>'{'</code>
+     */
+    public static final char C_DELIM_START = CharPool.DELIM_START;
+
+    /**
+     * 字符常量：花括号（右） <code>'}'</code>
+     */
+    public static final char C_DELIM_END = CharPool.DELIM_END;
+
+    /**
+     * 字符常量：中括号（左） {@code '['}
+     */
+    public static final char C_BRACKET_START = CharPool.BRACKET_START;
+
+    /**
+     * 字符常量：中括号（右） {@code ']'}
+     */
+    public static final char C_BRACKET_END = CharPool.BRACKET_END;
+
+    /**
+     * 字符常量：冒号 {@code ':'}
+     */
+    public static final char C_COLON = CharPool.COLON;
+
+    /**
+     * 字符常量：艾特 {@code '@'}
+     */
+    public static final char C_AT = CharPool.AT;
+
+    /**
+     * 字符串常量：制表符 {@code "\t"}
+     */
+    public static final String TAB = StrPool.TAB;
+
+    /**
+     * 字符串常量：点 {@code "."}
+     */
+    public static final String DOT = StrPool.DOT;
+
+    /**
+     * 字符串常量：双点 {@code ".."} <br>
+     * 用途：作为指向上级文件夹的路径，如：{@code "../path"}
+     */
+    public static final String DOUBLE_DOT = StrPool.DOUBLE_DOT;
+
+    /**
+     * 字符串常量：斜杠 {@code "/"}
+     */
+    public static final String SLASH = StrPool.SLASH;
+
+    /**
+     * 字符串常量：反斜杠 {@code "\\"}
+     */
+    public static final String BACKSLASH = StrPool.BACKSLASH;
+
+    /**
+     * 字符串常量：回车符 {@code "\r"} <br>
+     * 解释：该字符常用于表示 Linux 系统和 MacOS 系统下的文本换行
+     */
+    public static final String CR = StrPool.CR;
+
+    /**
+     * 字符串常量：换行符 {@code "\n"}
+     */
+    public static final String LF = StrPool.LF;
+
+    /**
+     * 字符串常量：Windows 换行 {@code "\r\n"} <br>
+     * 解释：该字符串常用于表示 Windows 系统下的文本换行
+     */
+    public static final String CRLF = StrPool.CRLF;
+
+    /**
+     * 字符串常量：下划线 {@code "_"}
+     */
+    public static final String UNDERLINE = StrPool.UNDERLINE;
+
+    /**
+     * 字符串常量：减号（连接符） {@code "-"}
+     */
+    public static final String DASHED = StrPool.DASHED;
+
+    /**
+     * 字符串常量：逗号 {@code ","}
+     */
+    public static final String COMMA = StrPool.COMMA;
+
+    /**
+     * 字符串常量：花括号（左） <code>"{"</code>
+     */
+    public static final String DELIM_START = StrPool.DELIM_START;
+
+    /**
+     * 字符串常量：花括号（右） <code>"}"</code>
+     */
+    public static final String DELIM_END = StrPool.DELIM_END;
+
+    /**
+     * 字符串常量：中括号（左） {@code "["}
+     */
+    public static final String BRACKET_START = StrPool.BRACKET_START;
+
+    /**
+     * 字符串常量：中括号（右） {@code "]"}
+     */
+    public static final String BRACKET_END = StrPool.BRACKET_END;
+
+    /**
+     * 字符串常量：冒号 {@code ":"}
+     */
+    public static final String COLON = StrPool.COLON;
+
+    /**
+     * 字符串常量：艾特 {@code "@"}
+     */
+    public static final String AT = StrPool.AT;
+
+    /**
+     * 字符串常量：HTML 不间断空格转义 {@code "&nbsp;" -> " "}
+     */
+    public static final String HTML_NBSP = XmlUtil.NBSP;
+
+    /**
+     * 字符串常量：HTML And 符转义 {@code "&amp;" -> "&"}
+     */
+    public static final String HTML_AMP = XmlUtil.AMP;
+
+    /**
+     * 字符串常量：HTML 双引号转义 {@code "&quot;" -> "\""}
+     */
+    public static final String HTML_QUOTE = XmlUtil.QUOTE;
+
+    /**
+     * 字符串常量：HTML 单引号转义 {@code "&apos" -> "'"}
+     */
+    public static final String HTML_APOS = XmlUtil.APOS;
+
+    /**
+     * 字符串常量：HTML 小于号转义 {@code "&lt;" -> "<"}
+     */
+    public static final String HTML_LT = XmlUtil.LT;
+
+    /**
+     * 字符串常量：HTML 大于号转义 {@code "&gt;" -> ">"}
+     */
+    public static final String HTML_GT = XmlUtil.GT;
+
+    /**
+     * 字符串常量：空 JSON {@code "{}"}
+     */
+    public static final String EMPTY_JSON = StrPool.EMPTY_JSON;
 
     /**
      * 空字符串
@@ -68,4 +266,7 @@ public class StringConstants implements StrPool {
      * 路径模式（仅匹配当前目录）
      */
     public static final String PATH_PATTERN_CURRENT_DIR = "/*";
+
+    private StringConstants() {
+    }
 }