diff --git a/config.go b/config.go
index ead538b0..effc5e12 100644
--- a/config.go
+++ b/config.go
@@ -233,9 +233,9 @@ func assignConfig(ac config.Configer) error {
 		sds := strings.Fields(sd)
 		for _, v := range sds {
 			if url2fsmap := strings.SplitN(v, ":", 2); len(url2fsmap) == 2 {
-				BConfig.WebConfig.StaticDir["/"+strings.TrimRight(url2fsmap[0], "/")] = url2fsmap[1]
+				BConfig.WebConfig.StaticDir["/"+strings.Trim(url2fsmap[0], "/")] = url2fsmap[1]
 			} else {
-				BConfig.WebConfig.StaticDir["/"+strings.TrimRight(url2fsmap[0], "/")] = url2fsmap[0]
+				BConfig.WebConfig.StaticDir["/"+strings.Trim(url2fsmap[0], "/")] = url2fsmap[0]
 			}
 		}
 	}
diff --git a/staticfile.go b/staticfile.go
index 8a1bc57b..11a2cdcc 100644
--- a/staticfile.go
+++ b/staticfile.go
@@ -163,13 +163,10 @@ func searchFile(ctx *context.Context) (string, os.FileInfo, error) {
 				return filePath, fi, nil
 			}
 		}
-		return "", nil, errors.New(requestPath + " file not find")
+		return "", nil, errNotStaticRequest
 	}
 
 	for prefix, staticDir := range BConfig.WebConfig.StaticDir {
-		if len(prefix) == 0 {
-			continue
-		}
 		if !strings.Contains(requestPath, prefix) {
 			continue
 		}