diff --git a/core/src/main/java/com/alibaba/fastjson2/writer/ObjectWriterImplCollection.java b/core/src/main/java/com/alibaba/fastjson2/writer/ObjectWriterImplCollection.java
index 35f9bdc874..231622fdd9 100644
--- a/core/src/main/java/com/alibaba/fastjson2/writer/ObjectWriterImplCollection.java
+++ b/core/src/main/java/com/alibaba/fastjson2/writer/ObjectWriterImplCollection.java
@@ -159,22 +159,18 @@ public void write(JSONWriter jsonWriter, Object object, Object fieldName, Type f
                 i++;
                 continue;
             }
-
             Class<?> itemClass = item.getClass();
             ObjectWriter itemObjectWriter;
             if (itemClass == previousClass) {
                 itemObjectWriter = previousObjectWriter;
             } else {
-                if (itemClass == previousClass) {
-                    itemObjectWriter = previousObjectWriter;
-                } else {
-                    itemObjectWriter = jsonWriter.getObjectWriter(itemClass);
-                    previousClass = itemClass;
-                    previousObjectWriter = itemObjectWriter;
-                }
-
-                itemObjectWriter.write(jsonWriter, item, i, this.itemType, this.features);
+                itemObjectWriter = jsonWriter.getObjectWriter(itemClass);
+                previousClass = itemClass;
+                previousObjectWriter = itemObjectWriter;
             }
+
+            itemObjectWriter.write(jsonWriter, item, i, this.itemType, this.features);
+
             ++i;
         }
         jsonWriter.endArray();