diff --git a/das/src/main/java/com/das/modules/calc/domain/entity/CalcModule.java b/das/src/main/java/com/das/modules/calc/domain/entity/CalcModule.java
index 9029a650..afa2be98 100644
--- a/das/src/main/java/com/das/modules/calc/domain/entity/CalcModule.java
+++ b/das/src/main/java/com/das/modules/calc/domain/entity/CalcModule.java
@@ -26,7 +26,7 @@ public class CalcModule {
     private Date updateTime;
     private String cron;
 
-    public final CalcModule of(String content){
+    public static CalcModule of(String content){
         CalcModule calcModule = new CalcModule();
         calcModule.setScript(content);
         try(BufferedReader reader = new BufferedReader(new StringReader(content))){