diff --git a/epmet-commons/epmet-commons-tools/src/main/java/com/epmet/commons/tools/scan/param/ImgScanParamDTO.java b/epmet-commons/epmet-commons-tools/src/main/java/com/epmet/commons/tools/scan/param/ImgScanParamDTO.java
index 3029a869ed..15a50be668 100644
--- a/epmet-commons/epmet-commons-tools/src/main/java/com/epmet/commons/tools/scan/param/ImgScanParamDTO.java
+++ b/epmet-commons/epmet-commons-tools/src/main/java/com/epmet/commons/tools/scan/param/ImgScanParamDTO.java
@@ -3,6 +3,7 @@ package com.epmet.commons.tools.scan.param;
 import lombok.Data;
 
 import java.io.Serializable;
+import java.util.ArrayList;
 import java.util.List;
 
 /**
@@ -20,5 +21,5 @@ public class ImgScanParamDTO implements Serializable {
 	 * 要检测的内容列表，必填
 	 * remark：一组任务列表中的taskId不能相同
 	 */
-	private List<ImgTaskDTO> tasks;
+	private List<ImgTaskDTO> tasks = new ArrayList<>();
 }
diff --git a/epmet-commons/epmet-commons-tools/src/main/java/com/epmet/commons/tools/scan/param/TextScanParamDTO.java b/epmet-commons/epmet-commons-tools/src/main/java/com/epmet/commons/tools/scan/param/TextScanParamDTO.java
index eb10414fa8..9fa8b8104f 100644
--- a/epmet-commons/epmet-commons-tools/src/main/java/com/epmet/commons/tools/scan/param/TextScanParamDTO.java
+++ b/epmet-commons/epmet-commons-tools/src/main/java/com/epmet/commons/tools/scan/param/TextScanParamDTO.java
@@ -3,6 +3,7 @@ package com.epmet.commons.tools.scan.param;
 import lombok.Data;
 
 import java.io.Serializable;
+import java.util.ArrayList;
 import java.util.List;
 
 /**
@@ -20,5 +21,5 @@ public class TextScanParamDTO implements Serializable {
 	 * 要检测的内容列表，必填
 	 * remark：一组任务列表中的taskId不能相同
 	 */
-	private List<TextTaskDTO> tasks;
+	private List<TextTaskDTO> tasks = new ArrayList<>();
 }