diff --git a/beego.go b/beego.go
index 7111510e..7b7109d3 100644
--- a/beego.go
+++ b/beego.go
@@ -376,10 +376,6 @@ func initBeforeHttpRun() {
 		}
 	}
 
-	if EnableDocs {
-		GlobalDocApi = make(map[string]interface{})
-	}
-
 	middleware.VERSION = VERSION
 	middleware.AppName = AppName
 	middleware.RegisterErrorHandler()
diff --git a/docs.go b/docs.go
index fb176660..b8e7d193 100644
--- a/docs.go
+++ b/docs.go
@@ -8,6 +8,12 @@ import (
 
 var GlobalDocApi map[string]interface{}
 
+func init() {
+	if EnableDocs {
+		GlobalDocApi = make(map[string]interface{})
+	}
+}
+
 func serverDocs(ctx *context.Context) {
 	var obj interface{}
 	if splat := ctx.Input.Param(":splat"); splat == "" {