Only push net error to c.Errors and panic others errors

context.go

@@ -924,9 +924,13 @@ func (c *Context) Render(code int, r render.Render) {
 	}
 
 	if err := r.Render(c.Writer); err != nil {
-		// Pushing error to c.Errors
+		// if err is net error, pushing error to c.Errors
+		if _, ok := err.(*net.OpError); ok {
 			_ = c.Error(err)
 			c.Abort()
+		} else {
+			panic(err)
+		}
 	}
 }