diff --git a/jero-web/src/views/projectManagement/projectLibrary/components/changeExtensionModel.vue b/jero-web/src/views/projectManagement/projectLibrary/components/changeExtensionModel.vue
index 4702d7eaa..cf507de9a 100644
--- a/jero-web/src/views/projectManagement/projectLibrary/components/changeExtensionModel.vue
+++ b/jero-web/src/views/projectManagement/projectLibrary/components/changeExtensionModel.vue
@@ -99,12 +99,11 @@
       editModel(value) {
         this.visible = true
         this.formInline.id = value.id
-        if (!value.children) {
+        if (!value.versionLast) {
           this.formInline.projectVersion = '01'
-        } else if (value.children && value.children.length > 0) {
-          let projectVersion = value.children[value.children.length - 1].projectVersion
-          if (projectVersion.slice(0, 1) == '0') {
-            let num = projectVersion.slice(1, 2)
+        } else if (value.versionLast) {
+          if (value.versionLast.slice(0, 1) == '0') {
+            let num = value.versionLast.slice(1, 2)
             let numIndex = parseInt(num) + 1
             if (numIndex.length == 1) {
               this.formInline.projectVersion = '0' + numIndex
@@ -112,7 +111,7 @@
               this.formInline.projectVersion = numIndex
             }
           } else {
-            let index = parseInt(projectVersion) + 1
+            let index = parseInt(value.versionLast) + 1
             if (index.length == 1) {
               this.formInline.projectVersion = '0' + index
             } else {