diff --git a/etc/sphinx.conf b/etc/sphinx.conf
index dd1c8da6..28522f56 100644
--- a/etc/sphinx.conf
+++ b/etc/sphinx.conf
@@ -70,6 +70,10 @@ index main1
 	path			= /var/piler/sphinx/main1
 	docinfo			= extern
 	charset_type		= utf-8
+        enable_star             = 1
+        min_prefix_len          = 6
+        min_word_len            = 1
+
 }
 
 
@@ -79,6 +83,10 @@ index delta1
         path                    = /var/piler/sphinx/delta1
         docinfo                 = extern
         charset_type            = utf-8
+        enable_star             = 1
+        min_prefix_len          = 6
+        min_word_len            = 1
+
 }
 
 
@@ -88,6 +96,9 @@ index tag1
         path                    = /var/piler/sphinx/tag1
         docinfo                 = extern
         charset_type            = utf-8
+        enable_star             = 1
+        min_prefix_len          = 6
+        min_word_len            = 1
 }