diff --git a/backend/src/main/java/io/metersphere/excel/listener/TestCaseDataListener.java b/backend/src/main/java/io/metersphere/excel/listener/TestCaseDataListener.java
index 4ea8b6b606..9d9a9b3a6f 100644
--- a/backend/src/main/java/io/metersphere/excel/listener/TestCaseDataListener.java
+++ b/backend/src/main/java/io/metersphere/excel/listener/TestCaseDataListener.java
@@ -133,7 +133,16 @@ public class TestCaseDataListener extends EasyExcelListener<TestCaseExcelData> {
                 if(isUseCustomId){
                     checkResult = testCaseService.checkCustomIdExist(data.getCustomNum().toString(), projectId);
                 }else {
-                    checkResult = testCaseService.checkIdExist(Integer.parseInt(data.getCustomNum()), projectId);
+                    int customNumId = -1;
+                    try{
+                        customNumId = Integer.parseInt(data.getCustomNum());
+                    }catch (Exception e){
+                    }
+                    if(customNumId < 0){
+                        stringBuilder.append(Translator.get("id_not_rightful") + "["+data.getCustomNum()+"]; ");
+                    }else {
+                        checkResult = testCaseService.checkIdExist(customNumId, projectId);
+                    }
                 }
                 if (null != checkResult) {  //该ID在当前项目中存在
                     //如果前面所经过的校验都没报错
diff --git a/backend/src/main/resources/i18n/messages.properties b/backend/src/main/resources/i18n/messages.properties
index 01f29ad987..0f0dec8c9b 100644
--- a/backend/src/main/resources/i18n/messages.properties
+++ b/backend/src/main/resources/i18n/messages.properties
@@ -68,3 +68,4 @@ id_required=
 id_repeat_in_table=
 template_already=
 expect_name_exists=
+id_not_rightful=
diff --git a/backend/src/main/resources/i18n/messages_en_US.properties b/backend/src/main/resources/i18n/messages_en_US.properties
index 376817a300..a490c3c24f 100644
--- a/backend/src/main/resources/i18n/messages_en_US.properties
+++ b/backend/src/main/resources/i18n/messages_en_US.properties
@@ -262,4 +262,6 @@ auth_title=Auth
 # track home
 api_case=API
 performance_case=PERFORMANCE
-scenario_case=SCENARIO
\ No newline at end of file
+scenario_case=SCENARIO
+
+id_not_rightful=ID is not rightful
\ No newline at end of file
diff --git a/backend/src/main/resources/i18n/messages_zh_CN.properties b/backend/src/main/resources/i18n/messages_zh_CN.properties
index b1edcca754..18413810f6 100644
--- a/backend/src/main/resources/i18n/messages_zh_CN.properties
+++ b/backend/src/main/resources/i18n/messages_zh_CN.properties
@@ -261,4 +261,6 @@ auth_title=系统认证
 # track home
 api_case=接口用例
 performance_case=性能用例
-scenario_case=场景用例
\ No newline at end of file
+scenario_case=场景用例
+
+id_not_rightful=ID 不合法
\ No newline at end of file
diff --git a/backend/src/main/resources/i18n/messages_zh_TW.properties b/backend/src/main/resources/i18n/messages_zh_TW.properties
index 9dee0e7114..64fe5e7758 100644
--- a/backend/src/main/resources/i18n/messages_zh_TW.properties
+++ b/backend/src/main/resources/i18n/messages_zh_TW.properties
@@ -261,4 +261,6 @@ auth_title=系统认证
 # track home
 api_case=接口用例
 performance_case=性能用例
-scenario_case=場景用例
\ No newline at end of file
+scenario_case=場景用例
+
+id_not_rightful=ID 不合法
\ No newline at end of file