diff --git a/Src/Asp.NetCore2/SqlSugar/Realization/Sqlite/SqlBuilder/SqliteExpressionContext.cs b/Src/Asp.NetCore2/SqlSugar/Realization/Sqlite/SqlBuilder/SqliteExpressionContext.cs
index 3e8f39eba..2073c15bb 100644
--- a/Src/Asp.NetCore2/SqlSugar/Realization/Sqlite/SqlBuilder/SqliteExpressionContext.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Realization/Sqlite/SqlBuilder/SqliteExpressionContext.cs
@@ -288,14 +288,14 @@ namespace SqlSugar
         {
             var parameterNameA = mode.Args[0].MemberName;
             var parameterNameB = mode.Args[1].MemberName;
-            return $" RTRIM(REPLACE({parameterNameA}, {parameterNameB}, '')) ";
+            return $"  CASE WHEN SUBSTR({parameterNameA}, -1) = {parameterNameB} THEN SUBSTR({parameterNameA}, 1, LENGTH({parameterNameA}) - 1) ELSE {parameterNameA} END ";
         }
         public override string TrimStart(MethodCallExpressionModel mode)
         {
 
             var parameterNameA = mode.Args[0].MemberName;
             var parameterNameB = mode.Args[1].MemberName;
-            return $" LTRIM(REPLACE({parameterNameA}, {parameterNameB}, '')) ";
+            return $"  CASE WHEN SUBSTR({parameterNameA}, 1, 1) ={parameterNameB} THEN SUBSTR({parameterNameA}, 2) ELSE {parameterNameA} END ";
         }
     }
 }