diff --git a/lib/mo-tester-1.0-SNAPSHOT.jar b/lib/mo-tester-1.0-SNAPSHOT.jar
index 0c47ab1c5..ecdd4ab09 100644
Binary files a/lib/mo-tester-1.0-SNAPSHOT.jar and b/lib/mo-tester-1.0-SNAPSHOT.jar differ
diff --git a/src/main/java/io/mo/Tester.java b/src/main/java/io/mo/Tester.java
index 35daa1415..f5b895d46 100755
--- a/src/main/java/io/mo/Tester.java
+++ b/src/main/java/io/mo/Tester.java
@@ -33,15 +33,31 @@ public static void main(String[] args){
                 //get path
                 if (arg.startsWith("path")) {
                     path = arg.split("=")[1];
+                    File caseFile = new File(path);
+                    String srcPath = null;
+                    if(caseFile.getAbsolutePath().contains(COMMON.CASES_DIR)) {
+                        srcPath = caseFile.getAbsolutePath();
+                        srcPath = srcPath.replace(COMMON.CASES_DIR,COMMON.RESOURCE_DIR);
+                        srcPath = srcPath.substring(0,srcPath.indexOf(COMMON.RESOURCE_DIR)+COMMON.RESOURCE_DIR.length());
+                    }
+                    COMMON.RESOURCE_PATH = srcPath;
                 }
 
                 //get method
                 if (arg.startsWith("method")) {
+                    if(!arg.contains("=")){
+                        LOG.error("The format of para[method] is not valid,please check......");
+                        System.exit(1);
+                    }
                     method = arg.split("=")[1];
                 }
 
                 //get sucess rate
                 if (arg.startsWith("rate")) {
+                    if(!arg.contains("=")){
+                        LOG.error("The format of para[rate] is not valid,please check......");
+                        System.exit(1);
+                    }
                     rate = Integer.parseInt(arg.split("=")[1]);
                 }
 
@@ -52,16 +68,29 @@ public static void main(String[] args){
 
                 //get includes
                 if (arg.startsWith("include")) {
+                    if(!arg.contains("=")){
+                        LOG.error("The format of para[include] is not valid,please check......");
+                        System.exit(1);
+                    }
                     includes = arg.split("=")[1].split(",");
                 }
 
                 //get excludes
                 if (arg.startsWith("exclude")) {
+                    if(!arg.contains("=")){
+                        LOG.error("The format of para[include] is not valid,please check......");
+                        System.exit(1);
+                    }
                     excludes = arg.split("=")[1].split(",");
                 }
 
                 //get resource path
                 if (arg.startsWith("resource")) {
+                    if(!arg.contains("=")){
+                        LOG.error("The format of para[resource] is not valid,please check......");
+                        System.exit(1);
+                    }
+                    
                     COMMON.RESOURCE_PATH = arg.split("=")[1];
                 }
 
diff --git a/src/main/java/io/mo/db/Executor.java b/src/main/java/io/mo/db/Executor.java
index 2806f499b..daf941350 100755
--- a/src/main/java/io/mo/db/Executor.java
+++ b/src/main/java/io/mo/db/Executor.java
@@ -81,7 +81,7 @@ public static void run(TestScript script){
                         "[ACTUAL RESULT]:\n" + command.getTestResult().getExpResult() + "\n");
                 LOG.error("[" + script.getFileName() + "][row:" + command.getPosition() + "][" + command.getCommand().trim() + "] was executed failed");
                 LOG.error("[EXPECT RESULT]:\n" + command.getTestResult().getExpResult());
-                LOG.error("[ACTUAL RESULT]:\n" + command.getTestResult().getExpResult());
+                LOG.error("[ACTUAL RESULT]:\n" + command.getTestResult().getActResult());
                 continue;
             }
 
@@ -138,7 +138,7 @@ public static void run(TestScript script){
                                 "[ACTUAL RESULT]:\n" + command.getTestResult().getExpResult() + "\n");
                         LOG.error("[" + script.getFileName() + "][row:" + command.getPosition() + "][" + command.getCommand().trim() + "] was executed failed");
                         LOG.error("[EXPECT RESULT]:\n" + command.getTestResult().getExpResult());
-                        LOG.error("[ACTUAL RESULT]:\n" + command.getTestResult().getExpResult());
+                        LOG.error("[ACTUAL RESULT]:\n" + command.getTestResult().getActResult());
                         continue;
                     }
 
diff --git a/src/main/java/io/mo/result/RSCell.java b/src/main/java/io/mo/result/RSCell.java
index 610ed713c..e4f59c858 100644
--- a/src/main/java/io/mo/result/RSCell.java
+++ b/src/main/java/io/mo/result/RSCell.java
@@ -51,6 +51,11 @@ public boolean equals(RSCell cell){
             //precision toleration code
             String v1 = (String)this.value;
             String v2 = (String)cell.getValue();
+            
+            //if one is NULL,return false
+            if(v1.equalsIgnoreCase("null") || v2.equalsIgnoreCase("null"))
+                return false;
+            
 
             if(cell.type == Types.FLOAT ||
                cell.type == Types.REAL  ||
@@ -58,13 +63,20 @@ public boolean equals(RSCell cell){
                cell.type == Types.DECIMAL||
                cell.type == Types.BIGINT ||
                (cell.type == Types.VARCHAR && isNumeric(v1) &&isNumeric(v2))) {
+                
 
                 BigDecimal bd1 = BigDecimal.valueOf(Double.valueOf(v1)).stripTrailingZeros();
                 BigDecimal bd2 = BigDecimal.valueOf(Double.valueOf(v2)).stripTrailingZeros();
                 //System.out.println("bd1 = " + bd1);
                 //System.out.println("bd2 = " + bd2);
+                
+                
                 if(bd1.compareTo(bd2) == 0)
                     return true;
+                else{
+                    if(bd1.equals(BigDecimal.ZERO) || bd2.equals(BigDecimal.ZERO))
+                        return false;
+                }
 
                 //round to one with samll scale, and compare
                 int scal1 = bd1.scale();
@@ -90,7 +102,7 @@ public boolean equals(RSCell cell){
                     LOG.debug("value[" + v1 +"] and value[" + v2 +"] match the scale tolerable error");
                     return true;
                 }
-
+                
                 error =  error.divide(bd1,BigDecimal.ROUND_HALF_UP);
                 toleration = BigDecimal.valueOf(COMMON.INT_TOLERABLE_ERROR);
                 //if error beteen bd1 and bd2 divided bd1 or db2 is less than INT_TOLERABLE_ERROR(0.0.000000000000001),return true;