diff --git a/Src/Asp.NetCore2/SqlSugar.OceanBaseForOracle/OceanBase/OceanBaseForOracleProvider.cs b/Src/Asp.NetCore2/SqlSugar.OceanBaseForOracle/OceanBase/OceanBaseForOracleProvider.cs
index 2fe1e6676..63b45cfae 100644
--- a/Src/Asp.NetCore2/SqlSugar.OceanBaseForOracle/OceanBase/OceanBaseForOracleProvider.cs
+++ b/Src/Asp.NetCore2/SqlSugar.OceanBaseForOracle/OceanBase/OceanBaseForOracleProvider.cs
@@ -8,6 +8,7 @@ using System.Threading.Tasks;
 using System.Xml.Linq;
 using System.Data.Odbc;
 using System.Text.RegularExpressions;
+using System.Data.SqlTypes;
 namespace SqlSugar.OceanBaseForOracle
 {
     public class OceanBaseForOracleProvider : AdoProvider
@@ -222,7 +223,7 @@ namespace SqlSugar.OceanBaseForOracle
                                                   sql.IndexOf(it.ParameterName+"/"),
                                                   sql.IndexOf(it.ParameterName+"|"),
                                                   sql.IndexOf(it.ParameterName+"&"),
-                                                  sql.IndexOf(it.ParameterName)
+                                                  sql.EndsWith(it.ParameterName)?sql.IndexOf(it.ParameterName):0
                                            }.Where(it => it != 0).Max()).ToList();
                 foreach (var param in parameters.OrderByDescending(it => it.ParameterName.Length))
                 {
diff --git a/Src/Asp.NetCore2/SqlSugar.OceanBaseForOracle/SqlSugar.OceanBaseForOracle.nuspec b/Src/Asp.NetCore2/SqlSugar.OceanBaseForOracle/SqlSugar.OceanBaseForOracle.nuspec
index 750239617..3afd673a7 100644
--- a/Src/Asp.NetCore2/SqlSugar.OceanBaseForOracle/SqlSugar.OceanBaseForOracle.nuspec
+++ b/Src/Asp.NetCore2/SqlSugar.OceanBaseForOracle/SqlSugar.OceanBaseForOracle.nuspec
@@ -2,7 +2,7 @@
 <package >
   <metadata>
     <id>SqlSugar.OceanBaseForOracleCore</id>
-    <version>5.1.4.157</version>
+    <version>5.1.4.160</version>
     <authors>sunkaixuan</authors>
     <owners>Landa</owners>
     <licenseUrl>http://www.apache.org/licenses/LICENSE-2.0.html</licenseUrl>