diff --git a/common/src/main/java/com/ecep/contract/ContractFileTypeGroup.java b/common/src/main/java/com/ecep/contract/ContractFileTypeGroup.java
new file mode 100644
index 0000000..183a1da
--- /dev/null
+++ b/common/src/main/java/com/ecep/contract/ContractFileTypeGroup.java
@@ -0,0 +1,4 @@
+package com.ecep.contract;
+
+public enum ContractFileTypeGroup {
+}
diff --git a/common/src/main/java/com/ecep/contract/constant/ParamConstant.java b/common/src/main/java/com/ecep/contract/constant/ParamConstant.java
new file mode 100644
index 0000000..165ee37
--- /dev/null
+++ b/common/src/main/java/com/ecep/contract/constant/ParamConstant.java
@@ -0,0 +1,4 @@
+package com.ecep.contract.constant;
+
+public class ParamConstant {
+}