diff --git a/hutool-core/src/main/java/org/dromara/hutool/core/lang/wrapper/SimpleWrapper.java b/hutool-core/src/main/java/org/dromara/hutool/core/lang/wrapper/SimpleWrapper.java
index c67ba52e7..a1d199af2 100644
--- a/hutool-core/src/main/java/org/dromara/hutool/core/lang/wrapper/SimpleWrapper.java
+++ b/hutool-core/src/main/java/org/dromara/hutool/core/lang/wrapper/SimpleWrapper.java
@@ -13,7 +13,8 @@
 package org.dromara.hutool.core.lang.wrapper;
 
 /**
- * 简单包装对象
+ * 简单包装对象<br>
+ * 通过继承此类，可以直接使用被包装的对象，用于简化和统一封装。
  *
  * @param <T> 被包装对象类型
  * @author looly
diff --git a/hutool-crypto/src/main/java/org/dromara/hutool/crypto/JceCipher.java b/hutool-crypto/src/main/java/org/dromara/hutool/crypto/JceCipher.java
index 689c95695..11625d35c 100644
--- a/hutool-crypto/src/main/java/org/dromara/hutool/crypto/JceCipher.java
+++ b/hutool-crypto/src/main/java/org/dromara/hutool/crypto/JceCipher.java
@@ -49,17 +49,17 @@ public class JceCipher extends SimpleWrapper<javax.crypto.Cipher> implements Cip
 
 	@Override
 	public String getAlgorithmName() {
-		return getRaw().getAlgorithm();
+		return this.raw.getAlgorithm();
 	}
 
 	@Override
 	public int getBlockSize() {
-		return getRaw().getBlockSize();
+		return this.raw.getBlockSize();
 	}
 
 	@Override
 	public int getOutputSize(final int len) {
-		return getRaw().getOutputSize(len);
+		return this.raw.getOutputSize(len);
 	}
 
 	@Override
@@ -82,7 +82,7 @@ public class JceCipher extends SimpleWrapper<javax.crypto.Cipher> implements Cip
 	 * @throws InvalidKeyException                无效key
 	 */
 	public void init(final int mode, final JceParameters jceParameters) throws InvalidAlgorithmParameterException, InvalidKeyException {
-		final javax.crypto.Cipher cipher = getRaw();
+		final javax.crypto.Cipher cipher = this.raw;
 		if (null != jceParameters.parameterSpec) {
 			if (null != jceParameters.random) {
 				cipher.init(mode, jceParameters.key, jceParameters.parameterSpec, jceParameters.random);
@@ -101,7 +101,7 @@ public class JceCipher extends SimpleWrapper<javax.crypto.Cipher> implements Cip
 	@Override
 	public int process(final byte[] in, final int inOff, final int len, final byte[] out, final int outOff) {
 		try {
-			return getRaw().update(in, inOff, len, out, outOff);
+			return this.raw.update(in, inOff, len, out, outOff);
 		} catch (final ShortBufferException e) {
 			throw new CryptoException(e);
 		}
@@ -110,7 +110,7 @@ public class JceCipher extends SimpleWrapper<javax.crypto.Cipher> implements Cip
 	@Override
 	public int doFinal(final byte[] out, final int outOff) {
 		try {
-			return getRaw().doFinal(out, outOff);
+			return this.raw.doFinal(out, outOff);
 		} catch (final Exception e) {
 			throw new CryptoException(e);
 		}
@@ -119,7 +119,7 @@ public class JceCipher extends SimpleWrapper<javax.crypto.Cipher> implements Cip
 	@Override
 	public byte[] processFinal(final byte[] data) {
 		try {
-			return getRaw().doFinal(data);
+			return this.raw.doFinal(data);
 		} catch (final Exception e) {
 			throw new CryptoException(e);
 		}
diff --git a/hutool-crypto/src/main/java/org/dromara/hutool/crypto/digest/Digester.java b/hutool-crypto/src/main/java/org/dromara/hutool/crypto/digest/Digester.java
index d17e1a87b..7af85dcee 100644
--- a/hutool-crypto/src/main/java/org/dromara/hutool/crypto/digest/Digester.java
+++ b/hutool-crypto/src/main/java/org/dromara/hutool/crypto/digest/Digester.java
@@ -253,7 +253,7 @@ public class Digester extends SimpleWrapper<MessageDigest> implements Serializab
 			// 加盐在末尾，自动忽略空盐值
 			result = doDigest(data, this.salt);
 		} else if (ArrayUtil.isNotEmpty(this.salt)) {
-			final MessageDigest digest = getRaw();
+			final MessageDigest digest = this.raw;
 			// 加盐在中间
 			digest.update(data, 0, this.saltPosition);
 			digest.update(this.salt);
diff --git a/hutool-crypto/src/main/java/org/dromara/hutool/crypto/digest/mac/BCMacEngine.java b/hutool-crypto/src/main/java/org/dromara/hutool/crypto/digest/mac/BCMacEngine.java
index c60a78caa..92e27103e 100644
--- a/hutool-crypto/src/main/java/org/dromara/hutool/crypto/digest/mac/BCMacEngine.java
+++ b/hutool-crypto/src/main/java/org/dromara/hutool/crypto/digest/mac/BCMacEngine.java
@@ -41,29 +41,29 @@ public class BCMacEngine extends SimpleWrapper<Mac> implements MacEngine {
 
 	@Override
 	public void update(final byte[] in, final int inOff, final int len) {
-		getRaw().update(in, inOff, len);
+		this.raw.update(in, inOff, len);
 	}
 
 	@Override
 	public byte[] doFinal() {
 		final byte[] result = new byte[getMacLength()];
-		getRaw().doFinal(result, 0);
+		this.raw.doFinal(result, 0);
 		return result;
 	}
 
 	@Override
 	public void reset() {
-		getRaw().reset();
+		this.raw.reset();
 	}
 
 	@Override
 	public int getMacLength() {
-		return getRaw().getMacSize();
+		return this.raw.getMacSize();
 	}
 
 	@Override
 	public String getAlgorithm() {
-		return getRaw().getAlgorithmName();
+		return this.raw.getAlgorithmName();
 	}
 
 	/**
diff --git a/hutool-crypto/src/main/java/org/dromara/hutool/crypto/digest/mac/JCEMacEngine.java b/hutool-crypto/src/main/java/org/dromara/hutool/crypto/digest/mac/JCEMacEngine.java
index 4ab8fa997..2b3695c0e 100644
--- a/hutool-crypto/src/main/java/org/dromara/hutool/crypto/digest/mac/JCEMacEngine.java
+++ b/hutool-crypto/src/main/java/org/dromara/hutool/crypto/digest/mac/JCEMacEngine.java
@@ -70,32 +70,32 @@ public class JCEMacEngine extends SimpleWrapper<Mac> implements MacEngine {
 
 	@Override
 	public void update(final byte[] in) {
-		getRaw().update(in);
+		this.raw.update(in);
 	}
 
 	@Override
 	public void update(final byte[] in, final int inOff, final int len) {
-		getRaw().update(in, inOff, len);
+		this.raw.update(in, inOff, len);
 	}
 
 	@Override
 	public byte[] doFinal() {
-		return getRaw().doFinal();
+		return this.raw.doFinal();
 	}
 
 	@Override
 	public void reset() {
-		getRaw().reset();
+		this.raw.reset();
 	}
 
 	@Override
 	public int getMacLength() {
-		return getRaw().getMacLength();
+		return this.raw.getMacLength();
 	}
 
 	@Override
 	public String getAlgorithm() {
-		return getRaw().getAlgorithm();
+		return this.raw.getAlgorithm();
 	}
 
 	/**
diff --git a/hutool-db/src/main/java/org/dromara/hutool/db/ds/DSWrapper.java b/hutool-db/src/main/java/org/dromara/hutool/db/ds/DSWrapper.java
index 21177f3b3..2490387ca 100644
--- a/hutool-db/src/main/java/org/dromara/hutool/db/ds/DSWrapper.java
+++ b/hutool-db/src/main/java/org/dromara/hutool/db/ds/DSWrapper.java
@@ -71,52 +71,52 @@ public class DSWrapper extends SimpleWrapper<DataSource> implements DataSource,
 
 	@Override
 	public PrintWriter getLogWriter() throws SQLException {
-		return getRaw().getLogWriter();
+		return this.raw.getLogWriter();
 	}
 
 	@Override
 	public void setLogWriter(final PrintWriter out) throws SQLException {
-		getRaw().setLogWriter(out);
+		this.raw.setLogWriter(out);
 	}
 
 	@Override
 	public void setLoginTimeout(final int seconds) throws SQLException {
-		getRaw().setLoginTimeout(seconds);
+		this.raw.setLoginTimeout(seconds);
 	}
 
 	@Override
 	public int getLoginTimeout() throws SQLException {
-		return getRaw().getLoginTimeout();
+		return this.raw.getLoginTimeout();
 	}
 
 	@Override
 	public Logger getParentLogger() throws SQLFeatureNotSupportedException {
-		return getRaw().getParentLogger();
+		return this.raw.getParentLogger();
 	}
 
 	@Override
 	public <T> T unwrap(final Class<T> iface) throws SQLException {
-		return getRaw().unwrap(iface);
+		return this.raw.unwrap(iface);
 	}
 
 	@Override
 	public boolean isWrapperFor(final Class<?> iface) throws SQLException {
-		return getRaw().isWrapperFor(iface);
+		return this.raw.isWrapperFor(iface);
 	}
 
 	@Override
 	public Connection getConnection() throws SQLException {
-		return getRaw().getConnection();
+		return this.raw.getConnection();
 	}
 
 	@Override
 	public Connection getConnection(final String username, final String password) throws SQLException {
-		return getRaw().getConnection(username, password);
+		return this.raw.getConnection(username, password);
 	}
 
 	@Override
 	public void close() {
-		final DataSource ds = getRaw();
+		final DataSource ds = this.raw;
 		if (ds instanceof AutoCloseable) {
 			IoUtil.closeQuietly((AutoCloseable) ds);
 		}