Update constants.py

Author: infwinston

fastchat/constants.py

@@ -15,7 +15,7 @@
 # </div>"""
 # SURVEY_LINK = ""
 
-COLOR = "#008B8B"
+COLOR = "#F11414"
 SURVEY_LINK = f"""<div style='text-align: center; margin: 20px 0;'>
     <div style='display: block; width: 100%; border: 2px solid {COLOR}; padding: 20px; padding-bottom: 10px; padding-top: 10px; border-radius: 5px; background-color: #FE9393'>
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