diff --git a/hutool-core/src/main/java/cn/hutool/core/bean/copier/ValueProviderToBeanCopier.java b/hutool-core/src/main/java/cn/hutool/core/bean/copier/ValueProviderToBeanCopier.java
index 990a95bec..f2bc0f756 100755
--- a/hutool-core/src/main/java/cn/hutool/core/bean/copier/ValueProviderToBeanCopier.java
+++ b/hutool-core/src/main/java/cn/hutool/core/bean/copier/ValueProviderToBeanCopier.java
@@ -50,6 +50,11 @@ public class ValueProviderToBeanCopier<T> extends AbsCopier<ValueProvider<String
 				return;
 			}
 
+			// 无字段内容跳过
+			if(false == source.containsKey(tFieldName)){
+				return;
+			}
+
 			// 检查目标字段可写性
 			if (null == tDesc || false == tDesc.isWritable(this.copyOptions.transientSupport)) {
 				// 字段不可写，跳过之
diff --git a/hutool-extra/src/main/java/cn/hutool/extra/mail/MailAccount.java b/hutool-extra/src/main/java/cn/hutool/extra/mail/MailAccount.java
index f2d3aef9a..dfa13507d 100644
--- a/hutool-extra/src/main/java/cn/hutool/extra/mail/MailAccount.java
+++ b/hutool-extra/src/main/java/cn/hutool/extra/mail/MailAccount.java
@@ -1,5 +1,6 @@
 package cn.hutool.extra.mail;
 
+import cn.hutool.core.lang.Console;
 import cn.hutool.core.util.CharsetUtil;
 import cn.hutool.core.util.ObjectUtil;
 import cn.hutool.core.util.StrUtil;
@@ -578,6 +579,7 @@ public class MailAccount implements Serializable {
 
 		// SSL
 		if (null != this.sslEnable && this.sslEnable) {
+			Console.log("{} {}", SOCKET_FACTORY, socketFactoryClass);
 			p.put(SSL_ENABLE, "true");
 			p.put(SOCKET_FACTORY, socketFactoryClass);
 			p.put(SOCKET_FACTORY_FALLBACK, String.valueOf(this.socketFactoryFallback));