move session init before static

@@ -459,6 +459,12 @@ func (p *ControllerRegistor) ServeHTTP(rw http.ResponseWriter, r *http.Request)
 		context.Output = beecontext.NewOutput(rw)
 	}
 
+	// session init
+	if SessionOn {
+		context.Input.CruSession = GlobalSessions.SessionStart(w, r)
+		defer context.Input.CruSession.SessionRelease()
+	}
+
 	if !utils.InSlice(strings.ToLower(r.Method), HTTPMETHOD) {
 		http.Error(w, "Method Not Allowed", 405)
 		goto Admin
@@ -529,12 +535,6 @@ func (p *ControllerRegistor) ServeHTTP(rw http.ResponseWriter, r *http.Request)
 		}
 	}
 
-	// session init after static file
-	if SessionOn {
-		context.Input.CruSession = GlobalSessions.SessionStart(w, r)
-		defer context.Input.CruSession.SessionRelease()
-	}
-
 	if do_filter(AfterStatic) {
 		goto Admin
 	}