diff --git a/src/commands/cmd_zset.cc b/src/commands/cmd_zset.cc
index 7d80829df5c..12927fa6451 100644
--- a/src/commands/cmd_zset.cc
+++ b/src/commands/cmd_zset.cc
@@ -561,7 +561,7 @@ class CommandBZMPop : public BlockingCommander {
 
   static CommandKeyRange Range(const std::vector<std::string> &args) {
     int num_key = *ParseInt<int>(args[2], 10);
-    return {3, 1 + num_key, 1};
+    return {3, 2 + num_key, 1};
   }
 
  private:
@@ -1223,7 +1223,7 @@ class CommandZUnionStore : public Commander {
   }
 
   static CommandKeyRange Range(const std::vector<std::string> &args) {
-    int num_key = *ParseInt<int>(args[1], 10);
+    int num_key = *ParseInt<int>(args[2], 10);
     return {3, 2 + num_key, 1};
   }
 
@@ -1250,7 +1250,7 @@ class CommandZInterStore : public CommandZUnionStore {
   }
 
   static CommandKeyRange Range(const std::vector<std::string> &args) {
-    int num_key = *ParseInt<int>(args[1], 10);
+    int num_key = *ParseInt<int>(args[2], 10);
     return {3, 2 + num_key, 1};
   }
 };
@@ -1464,7 +1464,7 @@ class CommandZDiff : public Commander {
 
   static CommandKeyRange Range(const std::vector<std::string> &args) {
     int num_key = *ParseInt<int>(args[1], 10);
-    return {2, 2 + num_key, 1};
+    return {2, 1 + num_key, 1};
   }
 
  protected:
@@ -1504,7 +1504,7 @@ class CommandZDiffStore : public Commander {
   }
 
   static CommandKeyRange Range(const std::vector<std::string> &args) {
-    int num_key = *ParseInt<int>(args[1], 10);
+    int num_key = *ParseInt<int>(args[2], 10);
     return {3, 2 + num_key, 1};
   }
 
diff --git a/tests/gocase/unit/command/command_test.go b/tests/gocase/unit/command/command_test.go
index 58b7589a30f..89d87a58c5c 100644
--- a/tests/gocase/unit/command/command_test.go
+++ b/tests/gocase/unit/command/command_test.go
@@ -65,4 +65,112 @@ func TestCommand(t *testing.T) {
 		require.Len(t, vs, 1)
 		require.Equal(t, "test", vs[0])
 	})
+
+	t.Run("COMMAND GETKEYS SINTERCARD", func(t *testing.T) {
+		r := rdb.Do(ctx, "COMMAND", "GETKEYS", "SINTERCARD", "2", "key1", "key2")
+		vs, err := r.Slice()
+		require.NoError(t, err)
+		require.Len(t, vs, 2)
+		require.Equal(t, "key1", vs[0])
+		require.Equal(t, "key2", vs[1])
+	})
+
+	t.Run("COMMAND GETKEYS ZINTER", func(t *testing.T) {
+		r := rdb.Do(ctx, "COMMAND", "GETKEYS", "ZINTER", "2", "key1", "key2")
+		vs, err := r.Slice()
+		require.NoError(t, err)
+		require.Len(t, vs, 2)
+		require.Equal(t, "key1", vs[0])
+		require.Equal(t, "key2", vs[1])
+	})
+
+	t.Run("COMMAND GETKEYS ZINTERSTORE", func(t *testing.T) {
+		r := rdb.Do(ctx, "COMMAND", "GETKEYS", "ZINTERSTORE", "dst", "2", "src1", "src2")
+		vs, err := r.Slice()
+		require.NoError(t, err)
+		require.Len(t, vs, 2)
+		require.Equal(t, "src1", vs[0])
+		require.Equal(t, "src2", vs[1])
+	})
+
+	t.Run("COMMAND GETKEYS ZINTERCARD", func(t *testing.T) {
+		r := rdb.Do(ctx, "COMMAND", "GETKEYS", "ZINTERCARD", "2", "key1", "key2")
+		vs, err := r.Slice()
+		require.NoError(t, err)
+		require.Len(t, vs, 2)
+		require.Equal(t, "key1", vs[0])
+		require.Equal(t, "key2", vs[1])
+	})
+
+	t.Run("COMMAND GETKEYS ZUNION", func(t *testing.T) {
+		r := rdb.Do(ctx, "COMMAND", "GETKEYS", "ZUNION", "2", "key1", "key2")
+		vs, err := r.Slice()
+		require.NoError(t, err)
+		require.Len(t, vs, 2)
+		require.Equal(t, "key1", vs[0])
+		require.Equal(t, "key2", vs[1])
+	})
+
+	t.Run("COMMAND GETKEYS ZUNIONSTORE", func(t *testing.T) {
+		r := rdb.Do(ctx, "COMMAND", "GETKEYS", "ZUNIONSTORE", "dst", "2", "src1", "src2")
+		vs, err := r.Slice()
+		require.NoError(t, err)
+		require.Len(t, vs, 2)
+		require.Equal(t, "src1", vs[0])
+		require.Equal(t, "src2", vs[1])
+	})
+
+	t.Run("COMMAND GETKEYS ZDIFF", func(t *testing.T) {
+		r := rdb.Do(ctx, "COMMAND", "GETKEYS", "ZDIFF", "2", "key1", "key2")
+		vs, err := r.Slice()
+		require.NoError(t, err)
+		require.Len(t, vs, 2)
+		require.Equal(t, "key1", vs[0])
+		require.Equal(t, "key2", vs[1])
+	})
+
+	t.Run("COMMAND GETKEYS ZDIFFSTORE", func(t *testing.T) {
+		r := rdb.Do(ctx, "COMMAND", "GETKEYS", "ZDIFFSTORE", "dst", "2", "src1", "src2")
+		vs, err := r.Slice()
+		require.NoError(t, err)
+		require.Len(t, vs, 2)
+		require.Equal(t, "src1", vs[0])
+		require.Equal(t, "src2", vs[1])
+	})
+
+	t.Run("COMMAND GETKEYS ZMPOP", func(t *testing.T) {
+		r := rdb.Do(ctx, "COMMAND", "GETKEYS", "ZMPOP", "2", "key1", "key2")
+		vs, err := r.Slice()
+		require.NoError(t, err)
+		require.Len(t, vs, 2)
+		require.Equal(t, "key1", vs[0])
+		require.Equal(t, "key2", vs[1])
+	})
+
+	t.Run("COMMAND GETKEYS BZMPOP", func(t *testing.T) {
+		r := rdb.Do(ctx, "COMMAND", "GETKEYS", "BZMPOP", "0", "2", "key1", "key2")
+		vs, err := r.Slice()
+		require.NoError(t, err)
+		require.Len(t, vs, 2)
+		require.Equal(t, "key1", vs[0])
+		require.Equal(t, "key2", vs[1])
+	})
+
+	t.Run("COMMAND GETKEYS LMPOP", func(t *testing.T) {
+		r := rdb.Do(ctx, "COMMAND", "GETKEYS", "LMPOP", "2", "key1", "key2")
+		vs, err := r.Slice()
+		require.NoError(t, err)
+		require.Len(t, vs, 2)
+		require.Equal(t, "key1", vs[0])
+		require.Equal(t, "key2", vs[1])
+	})
+
+	t.Run("COMMAND GETKEYS BLMPOP", func(t *testing.T) {
+		r := rdb.Do(ctx, "COMMAND", "GETKEYS", "BLMPOP", "0", "2", "key1", "key2")
+		vs, err := r.Slice()
+		require.NoError(t, err)
+		require.Len(t, vs, 2)
+		require.Equal(t, "key1", vs[0])
+		require.Equal(t, "key2", vs[1])
+	})
 }