diff --git a/cmake/install.inc b/cmake/install.inc
index 9dfe8d0ac6c4dd73b090c60605595f6be3abc478..9ecd9bcd4fa722dd039170ef30220679cedf65b1 100755
--- a/cmake/install.inc
+++ b/cmake/install.inc
@@ -1,8 +1,7 @@
 IF (TD_LINUX)
   SET(TD_MAKE_INSTALL_SH "${TD_COMMUNITY_DIR}/packaging/tools/make_install.sh")
   INSTALL(CODE "MESSAGE(\"make install script: ${TD_MAKE_INSTALL_SH}\")")
-  INSTALL(CODE "execute_process(COMMAND chmod 777 ${TD_MAKE_INSTALL_SH})")
-  INSTALL(CODE "execute_process(COMMAND ${TD_MAKE_INSTALL_SH} ${TD_COMMUNITY_DIR} ${PROJECT_BINARY_DIR} Linux ${TD_VER_NUMBER})")
+  INSTALL(CODE "execute_process(COMMAND bash ${TD_MAKE_INSTALL_SH} ${TD_COMMUNITY_DIR} ${PROJECT_BINARY_DIR} Linux ${TD_VER_NUMBER})")
 ELSEIF (TD_WINDOWS)
   IF (TD_POWER)
     SET(CMAKE_INSTALL_PREFIX C:/PowerDB)
@@ -41,6 +40,5 @@ ELSEIF (TD_WINDOWS)
 ELSEIF (TD_DARWIN)
   SET(TD_MAKE_INSTALL_SH "${TD_COMMUNITY_DIR}/packaging/tools/make_install.sh")
   INSTALL(CODE "MESSAGE(\"make install script: ${TD_MAKE_INSTALL_SH}\")")
-  INSTALL(CODE "execute_process(COMMAND chmod 777 ${TD_MAKE_INSTALL_SH})")
-  INSTALL(CODE "execute_process(COMMAND ${TD_MAKE_INSTALL_SH} ${TD_COMMUNITY_DIR} ${PROJECT_BINARY_DIR} Darwin ${TD_VER_NUMBER})")
+  INSTALL(CODE "execute_process(COMMAND bash ${TD_MAKE_INSTALL_SH} ${TD_COMMUNITY_DIR} ${PROJECT_BINARY_DIR} Darwin ${TD_VER_NUMBER})")
 ENDIF ()
diff --git a/tests/pytest/tools/taosdemoTestTblAlt.py b/tests/pytest/tools/taosdemoTestTblAlt.py
index 70df535f59cbb97469b7a73e4e230d9a8671bfc7..89c1b92e140cb1e19b549d3248693153e116c52e 100644
--- a/tests/pytest/tools/taosdemoTestTblAlt.py
+++ b/tests/pytest/tools/taosdemoTestTblAlt.py
@@ -54,27 +54,36 @@ class TDTestCase:
         binPath = buildPath + "/build/bin/"
 
         if(threadID == 0):
-            os.system("%staosdemo -y -t %d -n %d -b INT,INT,INT,INT -m t" %
+            print("%staosdemo -y -t %d -n %d -b INT,INT,INT,INT" %
+                      (binPath, self.numberOfTables, self.numberOfRecords))
+            os.system("%staosdemo -y -t %d -n %d -b INT,INT,INT,INT" %
                       (binPath, self.numberOfTables, self.numberOfRecords))
         if(threadID == 1):
             time.sleep(2)
             print("use test")
-            while True:
+            max_try = 100
+            count = 0
+            while (count < max_try):
                 try:
                     tdSql.execute("use test")
                     break
                 except Exception as e:
                     tdLog.info("use database test failed")
-                    time.sleep(1)
+                    time.sleep(2)
+                    count += 1
+                    print("try %d times" % count)
                     continue
 
             # check if all the tables have heen created
-            while True:
+            count = 0
+            while (count < max_try):
                 try:
                     tdSql.query("show tables")
                 except Exception as e:
                     tdLog.info("show tables test failed")
-                    time.sleep(1)
+                    time.sleep(2)
+                    count += 1
+                    print("try %d times" % count)
                     continue
 
                 rows = tdSql.queryRows
@@ -83,13 +92,17 @@ class TDTestCase:
                     break
                 time.sleep(1)
             # check if there are any records in the last created table
-            while True:
+            count = 0
+            while (count < max_try):
                 print("query started")
+                print("try %d times" % count)
                 try:
-                    tdSql.query("select * from test.t7")
+                    tdSql.query("select * from test.d7")
                 except Exception as e:
                     tdLog.info("select * test failed")
                     time.sleep(2)
+                    count += 1
+                    print("try %d times" % count)
                     continue
 
                 rows = tdSql.queryRows
@@ -100,8 +113,8 @@ class TDTestCase:
 
             print("alter table test.meters add column c10 int")
             tdSql.execute("alter table test.meters add column c10 int")
-            print("insert into test.t7 values (now, 1, 2, 3, 4, 0)")
-            tdSql.execute("insert into test.t7 values (now, 1, 2, 3, 4, 0)")
+            print("insert into test.d7 values (now, 1, 2, 3, 4, 0)")
+            tdSql.execute("insert into test.d7 values (now, 1, 2, 3, 4, 0)")
 
     def run(self):
         tdSql.prepare()