diff --git a/g/encoding/gjson/gjson.go b/g/encoding/gjson/gjson.go
index aa4ced6cb..197abe523 100644
--- a/g/encoding/gjson/gjson.go
+++ b/g/encoding/gjson/gjson.go
@@ -411,10 +411,13 @@ func (j *Json) Get(pattern string) interface{} {
 
 // 根据pattern层级查找变量指针
 func (j *Json) getPointerByPattern(pattern string) *interface{} {
-    start   := 0
     index   := len(pattern)
+    start   := 0
     length  := 0
     pointer := j.p
+    if index == 0 {
+        return pointer
+    }
     for {
         if r := j.checkPatternByPointer(pattern[start:index], pointer); r != nil {
             length += index - start
diff --git a/geg/os/gcfg/config.yml b/geg/os/gcfg/config.yml
new file mode 100644
index 000000000..1505e811d
--- /dev/null
+++ b/geg/os/gcfg/config.yml
@@ -0,0 +1,23 @@
+redis:
+  cache:
+    - host:   192.168.0.100
+      port:   6379
+      db:     0
+    - host:   192.168.0.100
+      port:   6379
+      db:     1
+  disk:
+    - host:   192.168.0.100
+      port:   6380
+      db:     0
+    - host:   192.168.0.100
+      port:   6380
+      db:     1
+
+memcache:
+  - host:   192.168.0.101
+    port:   11211
+    expire: 60
+  - host:   192.168.0.102
+    port:   11211
+    expire: 60
diff --git a/geg/os/gcfg/gcfg1.go b/geg/os/gcfg/gcfg1.go
new file mode 100644
index 000000000..98a1b117e
--- /dev/null
+++ b/geg/os/gcfg/gcfg1.go
@@ -0,0 +1,15 @@
+package main
+
+import (
+    "fmt"
+    "gitee.com/johng/gf/g/os/gcfg"
+)
+
+func main() {
+    c              := gcfg.New("/home/john/Workspace/Go/GOPATH/src/gitee.com/johng/gf/geg/os/gcfg")
+    redisConfig    := c.GetArray("redis-cache", "redis.yml")
+    memcacheConfig := c.GetArray("", "memcache.yml")
+    fmt.Println(redisConfig)
+    fmt.Println(memcacheConfig)
+}
+
diff --git a/geg/os/gcfg/gcfg2.go b/geg/os/gcfg/gcfg2.go
new file mode 100644
index 000000000..76640d67a
--- /dev/null
+++ b/geg/os/gcfg/gcfg2.go
@@ -0,0 +1,13 @@
+package main
+
+import (
+    "fmt"
+    "gitee.com/johng/gf/g/os/gcfg"
+)
+
+func main() {
+    c := gcfg.New("/home/john/Workspace/Go/GOPATH/src/gitee.com/johng/gf/geg/os/gcfg")
+    v := c.GetArray("memcache")
+    fmt.Println(v)
+}
+
diff --git a/geg/os/gcfg/memcache.yml b/geg/os/gcfg/memcache.yml
new file mode 100644
index 000000000..1808acaec
--- /dev/null
+++ b/geg/os/gcfg/memcache.yml
@@ -0,0 +1,6 @@
+- host:   192.168.0.101
+  port:   11211
+  expire: 60
+- host:   192.168.0.102
+  port:   11211
+  expire: 60
diff --git a/geg/os/gcfg/redis.yml b/geg/os/gcfg/redis.yml
new file mode 100644
index 000000000..db0b6d79a
--- /dev/null
+++ b/geg/os/gcfg/redis.yml
@@ -0,0 +1,14 @@
+redis-cache:
+    - host:   192.168.0.100
+      port:   6379
+      db:     0
+    - host:   192.168.0.100
+      port:   6379
+      db:     1
+redis-disk:
+    - host:   192.168.0.100
+      port:   6380
+      db:     0
+    - host:   192.168.0.100
+      port:   6380
+      db:     1
\ No newline at end of file