1

ai-server/src/main/java/com/zsjz/ai/module/aiclean/exec/DuckTypeMapper.java

@@ -36,6 +36,6 @@ public final class DuckTypeMapper {
 
     private static String varchar(Integer len) {
         // Excel 单元格常有超长备注，len 缺失或过小时一律 TEXT（DuckDB 的 VARCHAR 即无界）
-        return len == null || len <= 0 || len > 10000 ? "TEXT" : "VARCHAR(" + len + ")";
+        return len == null || len <= 0 || len > 1000 ? "TEXT" : "VARCHAR(" + len + ")";
     }
 }