diff --git a/backend/src/main/java/io/metersphere/api/service/ApiTestCaseService.java b/backend/src/main/java/io/metersphere/api/service/ApiTestCaseService.java
index 88ebd7ccb5..d58331e9ce 100644
--- a/backend/src/main/java/io/metersphere/api/service/ApiTestCaseService.java
+++ b/backend/src/main/java/io/metersphere/api/service/ApiTestCaseService.java
@@ -273,7 +273,7 @@ public class ApiTestCaseService {
     public ApiTestCase getSameCase(SaveApiTestCaseRequest request) {
         ApiTestCaseExample example = new ApiTestCaseExample();
         ApiTestCaseExample.Criteria criteria = example.createCriteria();
-        criteria.andNameEqualTo(request.getName()).andApiDefinitionIdEqualTo(request.getApiDefinitionId());
+        criteria.andStatusNotEqualTo("Trash").andNameEqualTo(request.getName()).andApiDefinitionIdEqualTo(request.getApiDefinitionId());
         if (StringUtils.isNotBlank(request.getId())) {
             criteria.andIdNotEqualTo(request.getId());
         }
diff --git a/backend/src/main/java/io/metersphere/commons/constants/ParamConstants.java b/backend/src/main/java/io/metersphere/commons/constants/ParamConstants.java
index 325a152644..3abdeee089 100644
--- a/backend/src/main/java/io/metersphere/commons/constants/ParamConstants.java
+++ b/backend/src/main/java/io/metersphere/commons/constants/ParamConstants.java
@@ -103,6 +103,7 @@ public interface ParamConstants {
             this.value = value;
         }
 
+        @Override
         public String getValue() {
             return this.value;
         }
diff --git a/backend/src/main/java/io/metersphere/service/FileService.java b/backend/src/main/java/io/metersphere/service/FileService.java
index eda7701992..c9b4a57a5c 100644
--- a/backend/src/main/java/io/metersphere/service/FileService.java
+++ b/backend/src/main/java/io/metersphere/service/FileService.java
@@ -158,6 +158,12 @@ public class FileService {
     private FileType getFileType(String filename) {
         int s = filename.lastIndexOf(".") + 1;
         String type = filename.substring(s);
+        FileType type1 =FileType.valueOf(type.toUpperCase());
+        for (FileType type2:FileType.values()) {
+            if (!type1.equals(type2)){
+                return null;
+            }
+        }
         return FileType.valueOf(type.toUpperCase());
     }