Merge branch 'master' into fix-mode-resolve

Author: hiyuki

packages/api-proxy/src/platform/api/route/index.ios.js

@@ -104,8 +104,10 @@ function navigateBack (options = {}) {
     }
     if (delta >= routeLength && global.__mpx?.config.rnConfig.onAppBack?.(delta - routeLength + 1)) {
       nextTick(() => {
-        navigationHelper.lastSuccessCallback()
-        navigationHelper.lastSuccessCallback = null
+        if (navigationHelper.lastSuccessCallback) {
+          navigationHelper.lastSuccessCallback()
+          navigationHelper.lastSuccessCallback = null
+        }
       })
     } else {
       navigation.pop(delta)