diff --git a/plugins/lam/index.py b/plugins/lam/index.py
index 594128b6f..021456a3f 100755
--- a/plugins/lam/index.py
+++ b/plugins/lam/index.py
@@ -98,7 +98,8 @@ def getPhpVer(expect=83):
         if (t == expect):
             is_find = True
             return str(t)
-        new_ex = expect[0:1]+"."+expect[1:2]
+        expect_str = str(expect)
+        new_ex = expect_str[0:1]+"."+expect_str[1:2]
         if t.find(new_ex) > -1:
             is_find = True
             return str(t)