Fix and remove 14.6.md spaces

zh/14.6.md

@@ -14,39 +14,39 @@ runtime/pprof
 - 首先在beego.Run函数中根据变量是否自动加载性能包
 ```Go
 
-	if PprofOn {
-		BeeApp.RegisterController(`/debug/pprof`, &ProfController{})
-		BeeApp.RegisterController(`/debug/pprof/:pp([\w]+)`, &ProfController{})
-	}
+if PprofOn {
+	BeeApp.RegisterController(`/debug/pprof`, &ProfController{})
+	BeeApp.RegisterController(`/debug/pprof/:pp([\w]+)`, &ProfController{})
+}
 ```	
 - 设计ProfConterller
 ```Go
 
-	package beego
+package beego
 
-	import (
-		"net/http/pprof"
-	)
-	
-	type ProfController struct {
-		Controller
-	}
-	
-	func (this *ProfController) Get() {
-		switch this.Ctx.Params[":pp"] {
-		default:
-			pprof.Index(this.Ctx.ResponseWriter, this.Ctx.Request)
-		case "":
-			pprof.Index(this.Ctx.ResponseWriter, this.Ctx.Request)
-		case "cmdline":
-			pprof.Cmdline(this.Ctx.ResponseWriter, this.Ctx.Request)
-		case "profile":
-			pprof.Profile(this.Ctx.ResponseWriter, this.Ctx.Request)
-		case "symbol":
-			pprof.Symbol(this.Ctx.ResponseWriter, this.Ctx.Request)
-		}
-		this.Ctx.ResponseWriter.WriteHeader(200)
+import (
+	"net/http/pprof"
+)
+
+type ProfController struct {
+	Controller
+}
+
+func (this *ProfController) Get() {
+	switch this.Ctx.Params[":pp"] {
+	default:
+		pprof.Index(this.Ctx.ResponseWriter, this.Ctx.Request)
+	case "":
+		pprof.Index(this.Ctx.ResponseWriter, this.Ctx.Request)
+	case "cmdline":
+		pprof.Cmdline(this.Ctx.ResponseWriter, this.Ctx.Request)
+	case "profile":
+		pprof.Profile(this.Ctx.ResponseWriter, this.Ctx.Request)
+	case "symbol":
+		pprof.Symbol(this.Ctx.ResponseWriter, this.Ctx.Request)
 	}
+	this.Ctx.ResponseWriter.WriteHeader(200)
+}
 
 ```
 ## 使用入门