diff --git a/src/diff/content_handler.ts b/src/diff/content_handler.ts
index 209c2e4..75ed383 100644
--- a/src/diff/content_handler.ts
+++ b/src/diff/content_handler.ts
@@ -33,6 +33,7 @@ export class ContentDiffHandler{
     private async OnDeleted(cpath: string){
         const basepath = dirname(cpath);
         const filename = basename(cpath);
+        console.log("deleted ",cpath);
         //if it wait to add, delete it from waiting list.
         if(this.waiting_list.hasByPath(cpath)){
             this.waiting_list.deleteByPath(cpath);
@@ -41,16 +42,22 @@ export class ContentDiffHandler{
         const dbc = await this.doc_cntr.findByPath(basepath,filename);
         //when there is no related content in db, ignore.
         if(dbc.length === 0) return;
+        const content_hash = dbc[0].content_hash;
         // When a path is changed, it takes into account when the
         // creation event occurs first and the deletion occurs, not
         // the change event. 
-        if(this.waiting_list.hasByHash(dbc[0].content_hash)){
+        const cf = this.waiting_list.getByHash(content_hash);
+        if(cf){
             //if a path is changed, update the changed path.
+            console.log("update path from", cpath,"to",cf.path);
+            const newFilename = basename(cf.path);
+            const newBasepath = dirname(cf.path);
+            await this.waiting_list.deleteByHash(content_hash);
             await this.doc_cntr.update({
                 id:dbc[0].id,
                 deleted_at: null,
-                filename:filename,
-                basepath:basepath
+                filename:newFilename,
+                basepath:newBasepath,
             });
             return;
         }
@@ -64,6 +71,7 @@ export class ContentDiffHandler{
     private async OnCreated(cpath:string){
         const basepath = dirname(cpath);
         const filename = basename(cpath);
+        console.log("createContentFile", cpath);
         const content = createContentFile(this.content_type,pathjoin(basepath,filename));
         const hash = await content.getHash();
         const c = this.tombstone.get(hash);
@@ -76,6 +84,9 @@ export class ContentDiffHandler{
             });
             return;
         }
+        if(this.waiting_list.hasByHash(hash)){
+            console.log("Conflict!!!");
+        }
         this.waiting_list.set(content);
     }
     private async OnChanged(prev_path:string,cur_path:string){
diff --git a/src/diff/watcher/recursive_watcher.ts b/src/diff/watcher/recursive_watcher.ts
index 88ef23d..283942c 100644
--- a/src/diff/watcher/recursive_watcher.ts
+++ b/src/diff/watcher/recursive_watcher.ts
@@ -36,19 +36,21 @@ export class RecursiveWatcher extends EventEmitter implements IDiffWatcher  {
         option.watchFile ??= true;
         if(option.watchFile){
             this.watcher.on("add",path=>{
-                const cpath = join(this.path,path);
+                const cpath = path;
+                //console.log("add ", cpath);
                 this.emit("create",cpath);
             }).on("unlink",path=>{
-                const cpath = join(this.path,path);
+                const cpath = path;
+                //console.log("unlink ", cpath);
                 this.emit("delete",cpath);
             });
         }
         if(option.watchDir){
             this.watcher.on("addDir",path=>{
-                const cpath = join(this.path,path);
+                const cpath = path;
                 this.emit("create",cpath);
             }).on("unlinkDir",path=>{
-                const cpath = join(this.path,path);
+                const cpath = path;
                 this.emit("delete",cpath);
             })
         }