diff --git a/fe/fe-core/src/main/java/org/apache/doris/catalog/Index.java b/fe/fe-core/src/main/java/org/apache/doris/catalog/Index.java
index bfe1beb1dd1500a..4f4e40fb495310e 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/catalog/Index.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/catalog/Index.java
@@ -29,6 +29,8 @@
 import org.apache.doris.thrift.TIndexType;
 import org.apache.doris.thrift.TOlapTableIndex;
 
+import com.google.common.collect.Lists;
+import com.google.common.collect.Maps;
 import com.google.gson.annotations.SerializedName;
 import org.apache.commons.lang3.StringUtils;
 
@@ -68,9 +70,9 @@ public Index(long indexId, String indexName, List<String> columns,
             IndexDef.IndexType indexType, Map<String, String> properties, String comment) {
         this.indexId = indexId;
         this.indexName = indexName;
-        this.columns = columns;
+        this.columns = Lists.newArrayList(columns);
         this.indexType = indexType;
-        this.properties = properties;
+        this.properties = Maps.newHashMap(properties);
         this.comment = comment;
         if (indexType == IndexDef.IndexType.INVERTED) {
             if (this.properties != null && !this.properties.isEmpty()) {