diff --git a/MDM/Services/Process/ProcessOperationService.cs b/MDM/Services/Process/ProcessOperationService.cs
index fed68ce..767c214 100644
--- a/MDM/Services/Process/ProcessOperationService.cs
+++ b/MDM/Services/Process/ProcessOperationService.cs
@@ -257,7 +257,11 @@ namespace MDM.Services.Process
 
         public List<MaterialList> SearchMaterialInfo(string material_info)
         {
-            return null;
+
+            var response = Context.Queryable<MaterialList>()
+               .WhereIF(!string.IsNullOrEmpty(material_info), m => m.Name.Contains(material_info) || m.Code.Contains(material_info))
+               .ToList();
+            return response;
         }
 
         public List<ProcessErrorProofRule> SearchMaterialErrorproofDict(string error_proof_rule_code)