diff --git a/src/main/resources/static/image2code.js b/src/main/resources/static/image2code.js
index 493cb213861d834773bddc57c54181885c606a25..de29fe8900424760ecfc5d9eb225632d8ffce342 100644
--- a/src/main/resources/static/image2code.js
+++ b/src/main/resources/static/image2code.js
@@ -162,6 +162,12 @@ $(function (){
         var file = this.files[0];
 
         if (file) {
+
+            if(file.size > 10485760) { // 10MB = 10485760 Bytes
+                alert('文件大小不能超过10MB');
+                return false;
+            }
+
             let reader = new FileReader();
             reader.onload = function(event) {
                 let base64String = event.target.result;