diff --git a/.gitignore b/.gitignore
index b5cb4535..5b90b268 100644
--- a/.gitignore
+++ b/.gitignore
@@ -33,3 +33,5 @@ build/
 /src/main/generated/
 /LOG_PATH_IS_UNDEFINED/
 .DS_Store
+
+**/props/local/globals.properties
diff --git a/src/main/webapp/resources/3rd-party/paintweb/paintweb.js b/src/main/webapp/resources/3rd-party/paintweb/paintweb.js
index ee2bae9f..5be4126b 100644
--- a/src/main/webapp/resources/3rd-party/paintweb/paintweb.js
+++ b/src/main/webapp/resources/3rd-party/paintweb/paintweb.js
@@ -2558,6 +2558,15 @@ function PaintWeb (win, doc) {
    * @returns {Boolean} True if the operation was successful, or false if not.
    */
   this.imageSave = async function (type) {
+    //--------------------------------------------------------------------
+    // 변경된 부분 : 변경된 내용이 없으면 skip
+    //--------------------------------------------------------------------
+    if(!pw.image.modified){
+      alert('변경된 내용이 없습니다.');
+      return false;
+    }
+    //--------------------------------------------------------------------
+
     var canvas = _self.layer.canvas,
         cfg = _self.config,
         img = _self.image,
@@ -2619,7 +2628,6 @@ function PaintWeb (win, doc) {
     canvas = null;
 //    alert('idata~~~'+idata)
     if (!idata || idata === 'data:,') {
-//alert('idata~~~'+idata)
       return false;
     }
 
@@ -2635,9 +2643,12 @@ function PaintWeb (win, doc) {
     let fileType = 'image/';
     const regx = new RegExp('.(gif|jpg|jpeg|tiff|png|ico)$', 'i')
     let name = (/[^(/|\\)]*$/).exec(idata)[0]
-    // 20220915_5df30439017240afbc7081ae9bfbfa2f 와 같은 형태인 경우 imageName으로
+    // 20220915_5df30439017240afbc7081ae9bfbfa2f_e 와 같은 형태인 경우 imageName으로
+    // 원본파일명 + '_e'
     if(!regx.exec(name)){
-      name = srcImg.name;
+      const imgName = srcImg.name;
+      const idx = imgName.indexOf('.');
+      name = imgName.substring(0, idx)+'_e'+ imgName.substring(idx);
     }
     fileType += regx.test(name) ? regx.exec(name)[0].replace('.', '') : 'jpg'
     // mine type 'jpg' > jpeg로 변경