diff --git a/models/issue.go b/models/issue.go
index a84fb0541e..f856ca63b6 100644
--- a/models/issue.go
+++ b/models/issue.go
@@ -44,6 +44,10 @@ type Issue struct {
 
 func (i *Issue) GetPoster() (err error) {
 	i.Poster, err = GetUserById(i.PosterId)
+	if err == ErrUserNotExist {
+		i.Poster = &User{Name: "FakeUser"}
+		return nil
+	}
 	return err
 }
 
diff --git a/routers/repo/issue.go b/routers/repo/issue.go
index 3343800663..fc6ee9ebe6 100644
--- a/routers/repo/issue.go
+++ b/routers/repo/issue.go
@@ -33,12 +33,10 @@ func Issues(ctx *middleware.Context) {
 
 	isShowClosed := ctx.Query("state") == "closed"
 
-	if viewType != "all" {
-		if !ctx.IsSigned {
-			ctx.SetCookie("redirect_to", "/"+url.QueryEscape(ctx.Req.RequestURI))
-			ctx.Redirect("/user/login")
-			return
-		}
+	if viewType != "all" && !ctx.IsSigned {
+		ctx.SetCookie("redirect_to", "/"+url.QueryEscape(ctx.Req.RequestURI))
+		ctx.Redirect("/user/login")
+		return
 	}
 
 	var assigneeId, posterId int64
@@ -87,7 +85,7 @@ func Issues(ctx *middleware.Context) {
 		}
 
 		if err = issues[i].GetPoster(); err != nil {
-			ctx.Handle(500, "issue.Issues(GetPoster): %v", err)
+			ctx.Handle(500, "issue.Issues(GetPoster)", fmt.Errorf("[#%d]%v", issues[i].Id, err))
 			return
 		}
 	}
diff --git a/routers/user/home.go b/routers/user/home.go
index 775df03752..f5130f47a8 100644
--- a/routers/user/home.go
+++ b/routers/user/home.go
@@ -53,7 +53,11 @@ func Profile(ctx *middleware.Context, params martini.Params) {
 
 	user, err := models.GetUserByName(params["username"])
 	if err != nil {
-		ctx.Handle(500, "user.Profile", err)
+		if err == models.ErrUserNotExist {
+			ctx.Handle(404, "user.Profile", err)
+		} else {
+			ctx.Handle(500, "user.Profile", err)
+		}
 		return
 	}