diff --git a/packages/vue-cli-plugin-uni/lib/error-reporting.js b/packages/vue-cli-plugin-uni/lib/error-reporting.js
index 91752b5a95a3d6319277290cd52011083ec48f2e..fb535f0eb1f6c38df7b174b7f74aa7e78b86c786 100644
--- a/packages/vue-cli-plugin-uni/lib/error-reporting.js
+++ b/packages/vue-cli-plugin-uni/lib/error-reporting.js
@@ -40,6 +40,12 @@ class ErrorReport {
     if (!this._shouldReport(err)) {
       return
     }
+
+    if (typeof err === 'object') {
+      try {
+        err = err.toString()
+      } catch (e) {}
+    }
 
     err = normalizePath(err) || ''
     err = err.replace(this._UNI_INPUT_DIR_REG, 'UNI_INPUT_DIR')
@@ -151,5 +157,5 @@ process
     global.__error_reporting__ && global.__error_reporting__('unhandledRejection', reason)
   })
   .on('uncaughtException', err => {
-    global.__error_reporting__ && global.__error_reporting__('uncaughtException', err)
+    global.__error_reporting__ && global.__error_reporting__('uncaughtException', err.stack)
   })