diff --git a/test/maat_json.json b/test/maat_json.json
index 19d086b..6ae6632 100644
--- a/test/maat_json.json
+++ b/test/maat_json.json
@@ -366,7 +366,7 @@
             "action": 1,
             "do_blacklist": 1,
             "do_log": 1,
-            "user_region": "anything",
+            "user_region": "StringScan.ExprPlus",
             "is_valid": "yes",
             "groups": [
                 {
@@ -2290,6 +2290,33 @@
                     "group_name": "Untitled"
                 }
             ]
+        },
+        {
+            "compile_id": 190,
+            "service": 1,
+            "action": 1,
+            "do_blacklist": 1,
+            "do_log": 1,
+            "user_region": "StringScan.ExprPlus",
+            "is_valid": "yes",
+            "groups": [
+                {
+                    "group_name": "Untitled",
+                    "regions": [
+                        {
+                            "table_name": "HTTP_SIGNATURE",
+                            "table_type": "expr_plus",
+                            "table_content": {
+                            		"district": "我的DistrIct",
+                                "keywords": "addis&sapphire",
+                                "expr_type": "and",
+                                "match_method": "sub",
+                                "format": "uncase plain"
+                            }
+                        }
+                    ]
+                }
+            ]
         }
     ],
     "plugin_table": [
diff --git a/test/test_maatframe.cpp b/test/test_maatframe.cpp
index 336500c..3210c24 100644
--- a/test/test_maatframe.cpp
+++ b/test/test_maatframe.cpp
@@ -569,25 +569,39 @@ TEST(StringScan,  ExprPlus)
 	int table_id=0;
 	struct Maat_rule_t result[4];
 	int found_pos[4];
-	const char* region_name="HTTP URL";
-	const char* scan_data="http://www.cyberessays.com/search_results.php?action=search&query=abckkk,1234567";
+	const char* region_name1="HTTP URL";
+	const char* region_name2="我的diStricT";
+	const char* scan_data1="http://www.cyberessays.com/search_results.php?action=search&query=abckkk,1234567";
+	const char* scan_data2="Addis Sapphire Hotel";
 	table_id=Maat_table_register(g_feather, "HTTP_SIGNATURE");
 	ASSERT_GT(table_id, 0);
 	scan_status_t mid=NULL;
-	ret=Maat_full_scan_string(g_feather, table_id, CHARSET_GBK, scan_data, strlen(scan_data), 
+	ret=Maat_full_scan_string(g_feather, table_id, CHARSET_GBK, scan_data1, strlen(scan_data1), 
 						result, found_pos, 4,
 						&mid, 0);
 	EXPECT_EQ(ret, -1);//Should return error for district not setting.
 
-	ret=Maat_set_scan_status(g_feather, &mid, MAAT_SET_SCAN_DISTRICT, region_name, strlen(region_name));
+	ret=Maat_set_scan_status(g_feather, &mid, MAAT_SET_SCAN_DISTRICT, region_name1, strlen(region_name1));
 	ASSERT_EQ(ret, 0);
-	ret=Maat_full_scan_string(g_feather, table_id, CHARSET_GBK, scan_data, strlen(scan_data), 
+	ret=Maat_full_scan_string(g_feather, table_id, CHARSET_GBK, scan_data1, strlen(scan_data1), 
 						result, found_pos, 4,
 						&mid, 0);
 	EXPECT_EQ(ret, 1);
 	EXPECT_EQ(result[0].config_id, 128);
 	
 	Maat_clean_status(&mid);
+
+	ret=Maat_set_scan_status(g_feather, &mid, MAAT_SET_SCAN_DISTRICT, region_name2, strlen(region_name2));
+	ASSERT_EQ(ret, 0);
+	ret=Maat_full_scan_string(g_feather, table_id, CHARSET_GBK, scan_data2, strlen(scan_data2), 
+						result, found_pos, 4,
+						&mid, 0);
+	EXPECT_EQ(ret, 1);
+	EXPECT_EQ(result[0].config_id, 190);
+	
+	Maat_clean_status(&mid);
+
+	
 	return;
 }