fix #366

@@ -369,15 +369,30 @@ func (p *ControllerRegistor) ServeHTTP(rw http.ResponseWriter, r *http.Request)
 			if _, ok := err.(middleware.HTTPException); ok {
 				// catch intented errors, only for HTTP 4XX and 5XX
 			} else {
+				if RunMode == "dev" {
+					if !RecoverPanic {
+						panic(err)
+					} else {
+						var stack string
+						Critical("Handler crashed with error", err)
+						for i := 1; ; i++ {
+							_, file, line, ok := runtime.Caller(i)
+							if !ok {
+								break
+							}
+							Critical(file, line)
+							stack = stack + fmt.Sprintln(file, line)
+						}
+						middleware.ShowErr(err, rw, r, stack)
+					}
+				} else {
 					if ErrorsShow {
 						handler := p.getErrorHandler(fmt.Sprint(err))
 						handler(rw, r)
 					} else {
 						if !RecoverPanic {
-						// go back to panic
 							panic(err)
 						} else {
-						var stack string
 							Critical("Handler crashed with error", err)
 							for i := 1; ; i++ {
 								_, file, line, ok := runtime.Caller(i)
@@ -385,15 +400,11 @@ func (p *ControllerRegistor) ServeHTTP(rw http.ResponseWriter, r *http.Request)
 									break
 								}
 								Critical(file, line)
-							if RunMode == "dev" {
-								stack = stack + fmt.Sprintln(file, line)
-							}
 							}
-						if RunMode == "dev" {
-							middleware.ShowErr(err, rw, r, stack)
 						}
 					}
 				}
+
 			}
 		}
 	}()