试试看

testSpeed.js

-const depthByRest = require('./zb');
+const {depthByRest, subscribe} = require('./zb');
 
 let total = 0;
 let total2 = 0;
@@ -33,4 +33,8 @@ function run() {
   });
 }
 
-run();
+function runWebsocket() {
\ No newline at end of file
+  subscribe();
+}
+
+// run();
\ No newline at end of file

zb.js

@@ -172,4 +172,7 @@ function run() {
 
 run();
 
-module.exports = depthByRest
+module.exports = {
+  depthByRest,
+  subscribe
+};