add a empty fake config Initialize AppConfig to avoid nil pointer runtime error.

config.go

@@ -141,6 +141,7 @@ func init() {
 func ParseConfig() (err error) {
 	AppConfig, err = config.NewConfig("ini", AppConfigPath)
 	if err != nil {
+		AppConfig = config.NewFakeConfig()
 		return err
 	} else {
 		HttpAddr = AppConfig.String("HttpAddr")

config/fake.go

@@ -0,0 +1,58 @@
+package config
+
+import (
+	"errors"
+	"strconv"
+	"strings"
+)
+
+type fakeConfigContainer struct {
+	data map[string]string
+}
+
+func (c *fakeConfigContainer) getData(key string) string {
+	key = strings.ToLower(key)
+	return c.data[key]
+}
+
+func (c *fakeConfigContainer) Set(key, val string) error {
+	key = strings.ToLower(key)
+	c.data[key] = val
+	return nil
+}
+
+func (c *fakeConfigContainer) String(key string) string {
+	return c.getData(key)
+}
+
+func (c *fakeConfigContainer) Int(key string) (int, error) {
+	return strconv.Atoi(c.getData(key))
+}
+
+func (c *fakeConfigContainer) Int64(key string) (int64, error) {
+	return strconv.ParseInt(c.getData(key), 10, 64)
+}
+
+func (c *fakeConfigContainer) Bool(key string) (bool, error) {
+	return strconv.ParseBool(c.getData(key))
+}
+
+func (c *fakeConfigContainer) Float(key string) (float64, error) {
+	return strconv.ParseFloat(c.getData(key), 64)
+}
+
+func (c *fakeConfigContainer) DIY(key string) (interface{}, error) {
+	key = strings.ToLower(key)
+	if v, ok := c.data[key]; ok {
+		return v, nil
+	}
+	return nil, errors.New("key not find")
+}
+
+var _ ConfigContainer = new(fakeConfigContainer)
+
+func NewFakeConfig() ConfigContainer {
+	return &fakeConfigContainer{
+		data: make(map[string]string),
+	}
+}