diff --git a/modules/dailytask/configure.go b/modules/dailytask/configure.go
index 48c27e014..d55ce8ff1 100644
--- a/modules/dailytask/configure.go
+++ b/modules/dailytask/configure.go
@@ -94,7 +94,7 @@ func (this *configureComp) getAnnulartaskLibrary(ulv, group int32) (results *cfg
 	var (
 		tasks   []*cfg.GameAnnulartask_LibraryData
 		canuse  []*cfg.GameAnnulartask_LibraryData
-		weights []int32 = make([]int32, 0)
+		weights []int32
 		index   int32
 		ok      bool
 	)
@@ -111,6 +111,7 @@ func (this *configureComp) getAnnulartaskLibrary(ulv, group int32) (results *cfg
 			canuse = append(canuse, v)
 		}
 	}
+	weights = make([]int32, len(canuse))
 	for i, v := range canuse {
 		weights[i] = v.Itemwt
 	}