Evaluation Order为0时，策略执行顺序最靠后。

src/entry/Maat_api.cpp

@@ -114,7 +114,7 @@ static void compile_sort_para_set(struct compile_sort_para* para, const struct M
 }
 static int compile_sort_para_compare(const struct compile_sort_para* a, const struct compile_sort_para* b)
 {
-	//If both of compile rule's execute sequences are specified, compile rule with lower execute sequence is priority.
+	//If both of compile rule's evaluation order are specified, compile rule with small evaluation order is priority.
 	if(a->evaluation_order!=0 && b->evaluation_order!=0)
 	{
 		if(a->evaluation_order - b->evaluation_order <0)
@@ -126,6 +126,11 @@ static int compile_sort_para_compare(const struct compile_sort_para* a, const st
 			return 1;
 		}
 	}
+	//If one of compile rule's evaluation order is zero, compile rule with big evaluation order is priority.
+	else if(a->evaluation_order + b->evaluation_order!= 0)
+	{
+		return (a->evaluation_order - b->evaluation_order >0) ? -1 : 1;
+	}
 	//If compile rule's execute sequences are not specified or equal.
 	if(a->group_cnt!=b->group_cnt)
 	{

test/maat_json.json

@@ -1397,6 +1397,33 @@
                         ]
                     }
                 ]
+            },
+            {
+                "compile_id": 168,
+                "service": 1,
+                "action": 1,
+                "do_blacklist": 1,
+                "do_log": 1,
+                "user_region": "EvaluationOrder",
+                "is_valid": "yes",
+				"evaluation_order":"0",
+                "groups": [
+                    {
+                        "group_name": "Untitled",
+                        "regions": [
+                            {
+                                "table_name": "HTTP_URL",
+                                "table_type": "string",
+                                "table_content": {
+                                    "keywords": "2019/12/27",
+                                    "expr_type": "none",
+                                    "match_method": "sub",
+                                    "format": "uncase plain"
+                                }
+                            }
+                        ]
+                    }
+                ]
             }
     ],
     "plugin_table": [

test/test_maatframe.cpp

@@ -1417,7 +1417,7 @@ TEST(Policy, SubGroup)
 
 TEST(Policy, EvaluationOrder)
 {
-#define TestExecuteSequence
+#define EvaluationOrder
 	int ret=0, table_id=0;
 	size_t i=0;
 	const char* url="cavemancircus.com/2019/12/27/pretty-girls-6/";
@@ -1431,8 +1431,10 @@ TEST(Policy, EvaluationOrder)
 	ret=Maat_full_scan_string(g_feather, table_id, CHARSET_GBK, url, strlen(url), 
 						result+i, NULL, 4-i,
 						&mid, 0);
-	EXPECT_EQ(ret, 2);
+	EXPECT_EQ(ret, 3);
 	EXPECT_EQ(result[i].config_id, 166);
+	EXPECT_EQ(result[i+1].config_id, 167);
+	EXPECT_EQ(result[i+2].config_id, 168);
 	i+=ret;
 
 	struct ipaddr ipv4_addr;
@@ -1458,6 +1460,7 @@ TEST(Policy, EvaluationOrder)
 	EXPECT_EQ(result[0].config_id, 165);
 	EXPECT_EQ(result[1].config_id, 166);
 	EXPECT_EQ(result[2].config_id, 167);
+	EXPECT_EQ(result[3].config_id, 168);
 	Maat_clean_status(&mid);
 
 }