diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3af8d62ca..f653f3f09 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -31,6 +31,7 @@
 * 【db     】     修复Condition没占位符的情况下sql没引号问题（issue#1846@Github）
 * 【cache  】     修复FIFOCache中remove回调无效问题（pr#1856@Github）
 * 【json   】     修复JSONArray.set中，index为0报错问题（issue#1858@Github）
+* 【core   】     修复FileUtil.checkSlip中getCanonicalPath异常引起的问题（issue#1858@Github）
 
 -------------------------------------------------------------------------------------------------------------
 
diff --git a/hutool-core/src/main/java/cn/hutool/core/io/FileUtil.java b/hutool-core/src/main/java/cn/hutool/core/io/FileUtil.java
index 7f5b4c28f..4c838288d 100644
--- a/hutool-core/src/main/java/cn/hutool/core/io/FileUtil.java
+++ b/hutool-core/src/main/java/cn/hutool/core/io/FileUtil.java
@@ -3278,7 +3278,10 @@ public class FileUtil extends PathUtil {
 				parentCanonicalPath = parentFile.getCanonicalPath();
 				canonicalPath = file.getCanonicalPath();
 			} catch (IOException e) {
-				throw new IORuntimeException(e);
+				// issue#I4CWMO@Gitee
+				// getCanonicalPath有时会抛出奇怪的IO异常，此时忽略异常，使用AbsolutePath判断。
+				parentCanonicalPath = parentFile.getAbsolutePath();
+				canonicalPath = file.getAbsolutePath();
 			}
 			if (false == canonicalPath.startsWith(parentCanonicalPath)) {
 				throw new IllegalArgumentException("New file is outside of the parent dir: " + file.getName());
diff --git a/hutool-core/src/test/java/cn/hutool/core/collection/CollUtilTest.java b/hutool-core/src/test/java/cn/hutool/core/collection/CollUtilTest.java
index 80c66af8f..c3be3c277 100644
--- a/hutool-core/src/test/java/cn/hutool/core/collection/CollUtilTest.java
+++ b/hutool-core/src/test/java/cn/hutool/core/collection/CollUtilTest.java
@@ -712,6 +712,23 @@ public class CollUtilTest {
 		Assert.assertEquals("d", map.get("keyd"));
 	}
 
+	@Test
+	public void mapToMapTest(){
+		final HashMap<String, String> oldMap = new HashMap<>();
+		oldMap.put("a", "1");
+		oldMap.put("b", "12");
+		oldMap.put("c", "134");
+
+		final Map<String, Long> map = CollUtil.toMap(oldMap.entrySet(),
+				new HashMap<>(),
+				Map.Entry::getKey,
+				entry -> Long.parseLong(entry.getValue()));
+
+		Assert.assertEquals(1L, (long)map.get("a"));
+		Assert.assertEquals(12L, (long)map.get("b"));
+		Assert.assertEquals(134L, (long)map.get("c"));
+	}
+
 	@Test
 	public void countMapTest() {
 		ArrayList<String> list = CollUtil.newArrayList("a", "b", "c", "c", "a", "b", "d");
diff --git a/hutool-json/src/test/java/cn/hutool/json/issues1881Test.java b/hutool-json/src/test/java/cn/hutool/json/issues1881Test.java
new file mode 100644
index 000000000..07cdee890
--- /dev/null
+++ b/hutool-json/src/test/java/cn/hutool/json/issues1881Test.java
@@ -0,0 +1,35 @@
+package cn.hutool.json;
+
+import cn.hutool.core.lang.Console;
+import lombok.Data;
+import lombok.experimental.Accessors;
+import org.junit.Test;
+
+import java.io.Serializable;
+import java.util.ArrayList;
+import java.util.List;
+
+public class issues1881Test {
+	@Accessors(chain = true)
+	@Data
+	public class ThingsHolderContactVO implements Serializable {
+
+		private static final long serialVersionUID = -8727337936070932370L;
+		private Long id;
+		private Integer type;
+		private String memberId;
+		private String name;
+		private String phone;
+		private String avatar;
+		private Long createTime;
+	}
+
+	@Test
+	public void parseTest(){
+		List<ThingsHolderContactVO> holderContactVOList = new ArrayList<>();
+		holderContactVOList.add(new ThingsHolderContactVO().setId(1L).setName("1"));
+		holderContactVOList.add(new ThingsHolderContactVO().setId(2L).setName("2"));
+
+		Console.log(JSONUtil.parseArray(holderContactVOList));
+	}
+}