diff --git a/claim_wall.md b/claim_wall.md
index 5d841c9..e707ed1 100644
--- a/claim_wall.md
+++ b/claim_wall.md
@@ -35,20 +35,20 @@ Then removed his comment from civitai, but his post on reddit is still there, so
 
 ![](img/user_claim_wall/css_issue_part4.jpg)  
 
-### **Blame SD Webui's changing to this extension**  
-(Latest SD webui removed a button from UI, they claim this extension did that, and want it back by this extension)  
+### **Blame SD Webui's modification to this extension**  
+Latest SD webui removed a button from UI, they claim this extension did that, and want it back by this extension  
 
 ![](img/user_claim_wall/blame_sdweui_update_to_this_ext.jpg)  
 
-### Don't even use this extension, claim other extension's error to this extension
+### Claim other extension's error to this extension
 Just because both extensions have "Civitai" in extension's name  
 
 ![](img/user_claim_wall/do_not_even_use_this_ext.jpg)   
 
 
-### **Didn't re-launch SD webui like document asked**  
+### **Didn't even use this extension and request a feature it already has**  
 
-![](img/user_claim_wall/did_not_relaunch_sdwebui.jpg)  
+![](img/user_claim_wall/request_a_feature_it_already_has.jpg)  
 
 ### **Renamed model folder's name carelessly and forgot that**
 Takes about 8 hours to find out why this extension doesn't work on his SDwebui and ready to re-install SD webui from beginning. 
diff --git a/scripts/ch_lib/downloader.py b/scripts/ch_lib/downloader.py
index 8febb7f..2b14ebc 100644
--- a/scripts/ch_lib/downloader.py
+++ b/scripts/ch_lib/downloader.py
@@ -59,10 +59,20 @@ def dl(url, folder, filename, filepath):
 
 
     util.printD("Target file path: " + file_path)
+    base, ext = os.path.splitext(file_path)
+
+    # check if file is already exist
+    count = 2
+    new_base = base
+    while os.path.isfile(file_path):
+        util.printD("Target file already exist.")
+        # re-name
+        new_base = base + "_" + str(count)
+        file_path = new_base + ext
+        count += 1
 
     # use a temp file for downloading
-    base, ext = os.path.splitext(file_path)
-    dl_file_path = base+dl_ext
+    dl_file_path = new_base+dl_ext
 
 
     util.printD(f"Downloading to temp file: {dl_file_path}")
diff --git a/scripts/ch_lib/util.py b/scripts/ch_lib/util.py
index f3b1130..391cf12 100644
--- a/scripts/ch_lib/util.py
+++ b/scripts/ch_lib/util.py
@@ -6,7 +6,7 @@ import requests
 import shutil
 
 
-version = "1.6.1.1"
+version = "1.6.2"
 
 def_headers = {'User-Agent': 'Mozilla/5.0 (iPad; CPU OS 12_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/15E148'}