diff --git a/backend/src/main/java/io/dataease/provider/query/oracle/OracleQueryProvider.java b/backend/src/main/java/io/dataease/provider/query/oracle/OracleQueryProvider.java
index d0ae17c00d..7eef266f6e 100644
--- a/backend/src/main/java/io/dataease/provider/query/oracle/OracleQueryProvider.java
+++ b/backend/src/main/java/io/dataease/provider/query/oracle/OracleQueryProvider.java
@@ -60,7 +60,7 @@ public class OracleQueryProvider extends QueryProvider {
 
     @Override
     public Integer transFieldType(String field) {
-        field = field.split("()")[0];
+        field = field.split("\\(")[0];
         switch (field) {
             case "CHAR":
             case "VARCHAR2":